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Make/Model Information:

  • Brand:   Hewlett-packard
  • Models included:
    • HP LaserJet 3300mfpt

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   312
  • File size:  ∼ 17.30  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMHP-1061

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service
hp LaserJet 3300mfp
series
EN Contents 3
Contents
1 Product information
Chapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Overview of product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Front and side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Back and side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Firmware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Product Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Model and serial numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Warranty statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Extended warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Print cartridge information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Refilled print cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Recycling print cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
FCC Part 68 Requirements (US). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Telephone Consumer Protection Act (US) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
IC CS-03 requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Regulatory information for EU countries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2 Operation
Chapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Operating environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Identifying the control panel components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Fax controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
To send a fax to one recipient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
To receive faxes when you hear fax tones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Alphanumeric buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Menu and cancel controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Copy, scan, and start controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Control panel menu structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
To print the control panel menu structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
To use the control panel keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Control panel error messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Product media specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Supported media sizes (printer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Guidelines for using media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Paper and Transparencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Common media problems table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
4 Contents EN
Envelopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Card stock and heavy media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Loading media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Loading media to print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Selecting originals for the ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Media information for the flatbed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Loading originals to copy or scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
To load originals onto the flatbed scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
To load originals into the ADF input tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Printer output paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
3 Maintenance
Chapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Life expectancies of parts that wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Scanner calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Cleaning the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Cleaning the exterior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Cleaning the glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Cleaning the lid backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Cleaning the print path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Cleaning the print cartridge area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Cleaning the printer pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Cleaning the printer separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
User-replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Replacing the printer pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Replacing the printer separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Installing a new ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
To install a new or replacement ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Changing an ADF pick roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Removing and replacing the control panel bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
4 Operational overview
Chapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Basic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Formatter system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Central processing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Line Interface Unit (LIU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Scanner formatter PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Flash memory or ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Standard Boot Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Parallel interface or Universal Serial Bus interface. . . . . . . . . . . . . . . . . . . . . . . 78
Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Draft mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
MEt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Enhanced I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
EN Contents 5
PJL overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Scanner and ADF functions and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Scanner Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Scanner Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
ADF Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
ADF paper path and ADF sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
ADF Jam Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Printer functions and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Engine control unit/power system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Image formation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Printer paper-feed system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Jam detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Basic sequence of operation (formatter-to-printer) . . . . . . . . . . . . . . . . . . . . . . . 98
LIU (fax) functions and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
PSTN operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
The fax subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Formatter in the fax subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
LIU in the fax subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Fax page storage in flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
5 Removal and replacement
Chapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Removal and replacement strategy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Required tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Before performing service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Print cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Parts removal order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Separation of scanner from printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Right side cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Scanner side covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Scanner assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Flat lid or ADF assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
The ADF pick roller assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
ADF document feed guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
ADF separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Control panel bezel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Control panel chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Scanner formatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
ADF scanner glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Printer covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Left side door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Back cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Printer top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Front cover assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Printer assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
6 Contents EN
Transfer roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Line Interface Unit (LIU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Formatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Output rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Fan assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Pickup assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Paper lift-plate assembly and pickup roller shaft . . . . . . . . . . . . . . . . . . . . . . . 157
Right plate assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Left plate assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Bottom assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Left bottom frame support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
ECU fuses and ECU pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Paper-feed assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
6 Troubleshooting
Chapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Basic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Control panel messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Critical error messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Checking the print cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Solving image-quality problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Solving paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Solving print paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Solving scanner (copier) paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . 199
Functional checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Engine test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Half self-test functional check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Drum rotation functional check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Heating element check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
High-voltage power supply check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Paper path check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Updating or recovering the firmware code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Firmware update via flash executable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Firmware recovery DIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Troubleshooting tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Internal reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Printing all fax reports at once . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
T.30 protocol trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Service mode functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Secondary service menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Developer’s menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
NVRAM init . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
EN Contents 7
PJL software commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Repetitive image defect ruler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Main wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Locations of connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Locations of connectors and switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
7 Parts and diagrams
Chapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Ordering parts and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Related documentation and software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Parts that wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Common hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
How to use the parts lists and diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Scanner assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Scanner and ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
ADF rollers and separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Control panel assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Printer assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Printer covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Paper tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Internal assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Internal components (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Electrical components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Paper pickup assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Paper pickup assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
8 Contents EN
EN Figures 9
Figures
Figure 1. Front and side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 2. Back and side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 3. Model and serial number labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 4. Dimensions of product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 5. Fax controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 6. Alphanumeric controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 7. Menu and cancel buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 8. Copy, scan, and start controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 9. Output bin and straight-through output path. . . . . . . . . . . . . . . . . . . . . 54
Figure 10. Product configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 11. Optical diagram of scanner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 12. Document scanner path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Figure 13. Printer unit functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Figure 14. ECU loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Figure 15. Overview of laser/scanner operation . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 16. High-voltage power supply circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Figure 17. Image formation block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure 18. Printer paper path. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure 19. Solenoid, photosensors, and switches . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 20. Printer timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Figure 21. Removing the print cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Figure 22. Removing the right side cover (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . 113
Figure 23. Removing the right side cover (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . 114
Figure 24. Removing the right side cover (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . 115
Figure 25. Removing the right scanner cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Figure 26. Removing the left scanner cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Figure 27. Separating the scanner from the printer (1 of 4). . . . . . . . . . . . . . . . . 116
Figure 28. Separating the scanner from the printer (2 of 4). . . . . . . . . . . . . . . . . 117
Figure 29. Separating the scanner from the printer (3 of 4). . . . . . . . . . . . . . . . . 117
Figure 30. Separating the scanner from the printer (4 of 4). . . . . . . . . . . . . . . . . 118
Figure 31. Removing the ADF assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 32. Removing the document feed guide (1 of 2) . . . . . . . . . . . . . . . . . . . 122
Figure 33. Removing the document feed guide (2 of 2) . . . . . . . . . . . . . . . . . . . 122
Figure 34. Removing the ADF separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Figure 35. Removing the control panel bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Figure 36. Reinstalling the control panel bezel (1 of 2) . . . . . . . . . . . . . . . . . . . . 124
Figure 37. Reinstalling the control panel bezel (2 of 2) . . . . . . . . . . . . . . . . . . . . 124
Figure 38. Removing the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Figure 39. Removing the control panel chassis (1 of 2) . . . . . . . . . . . . . . . . . . . 126
Figure 40. Removing the control panel chassis (2 of 2) . . . . . . . . . . . . . . . . . . . 126
Figure 41. Removing the scanner formatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
10 Figures EN
Figure 42. Removing the ADF scanner glass . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Figure 43. Installing the ADF scanner glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Figure 44. Removing the left side door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Figure 45. Removing the back cover (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Figure 46. Removing the back cover (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Figure 47. Removing the printer top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Figure 48. Removing the print cartridge door (1 of 2) . . . . . . . . . . . . . . . . . . . . . 133
Figure 49. Removing the print cartridge door (2 of 2) . . . . . . . . . . . . . . . . . . . . . 134
Figure 50. Removing the front cover (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 51. Front cover removed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 52. Removing the front cover (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Figure 53. Removing the front guide assembly (1 of 3). . . . . . . . . . . . . . . . . . . . 137
Figure 54. Removing the front guide assembly (2 of 3). . . . . . . . . . . . . . . . . . . . 138
Figure 55. Removing the front guide assembly (3 of 3). . . . . . . . . . . . . . . . . . . . 138
Figure 56. Removing the left and right support covers . . . . . . . . . . . . . . . . . . . . 139
Figure 57. Removing the transfer roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Figure 58. Removing the LIU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Figure 59. Removing the formatter (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Figure 60. Removing the formatter (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 61. Removing the formatter (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 62. Removing the fuser assembly (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 144
Figure 63. Removing the fuser assembly (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 145
Figure 64. Removing the fuser assembly (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 146
Figure 65. Removing the fuser assembly (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 147
Figure 66. Removing the output rollers (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Figure 67. Removing the output rollers (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 68. Removing the motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Figure 69. Removing the solenoid (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 70. Removing the solenoid (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Figure 71. Removing the fan (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 72. Removing the fan (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 73. Removing the pickup assembly plate (1 of 3). . . . . . . . . . . . . . . . . . . 155
Figure 74. Removing the pickup assembly plate (2 of 3). . . . . . . . . . . . . . . . . . . 156
Figure 75. Removing the pickup assembly plate (3 of 3). . . . . . . . . . . . . . . . . . . 156
Figure 76. Removing the paper lift-plate assembly (1 of 3). . . . . . . . . . . . . . . . . 157
Figure 77. Removing the paper lift-plate assembly (2 of 3). . . . . . . . . . . . . . . . . 158
Figure 78. Removing the paper lift-plate assembly (3 of 3). . . . . . . . . . . . . . . . . 158
Figure 79. Paper lift-plate springs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 80. Removing the pickup roller shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 81. Removing the right plate assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . 160
Figure 82. Removing the right plate assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . 161
Figure 83. Removing the left plate assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Figure 84. Removing the left bottom frame support . . . . . . . . . . . . . . . . . . . . . . 163
Figure 85. Removing the ECU pan (1 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Figure 86. Removing the ECU pan (2 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 87. Removing the ECU pan (3 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 88. Removing the ECU pan (4 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
EN Figures 11
Figure 89. Removing the ECU pan (5 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 90. Removing the paper-feed assembly (1 of 4) . . . . . . . . . . . . . . . . . . . 168
Figure 91. Removing the paper-feed assembly (2 of 4) . . . . . . . . . . . . . . . . . . . 169
Figure 92. Removing the paper-feed mechanism (3 of 4) . . . . . . . . . . . . . . . . . . 170
Figure 93. Removing the paper-feed mechanism (4 of 4) . . . . . . . . . . . . . . . . . . 171
Figure 94. Engine test switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Figure 95. Locating connectors for the heating element check . . . . . . . . . . . . . . 203
Figure 96. Print cartridge high-voltage connection points (right side) . . . . . . . . . 204
Figure 97. Print cartridge high-voltage connection points (left side) . . . . . . . . . . 204
Figure 98. High-voltage connector assembly (right side) . . . . . . . . . . . . . . . . . . 205
Figure 99. High-voltage connector assembly (left side). . . . . . . . . . . . . . . . . . . . 205
Figure 100. Overriding SW301 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Figure 101. Using the firmware recovery DIMM . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Figure 102. Example of a T.30 trace of a successfully sent fax . . . . . . . . . . . . . . 227
Figure 103. Example of a T.30 trace of a successfully received fax . . . . . . . . . . . 228
Figure 104. NVRAM PJL factory variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Figure 105. Repetitive image defect ruler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Figure 106. Main wiring (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Figure 107. Main wiring (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Figure 108. Locations of printer connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Figure 109. Locations of connectors and switches . . . . . . . . . . . . . . . . . . . . . . . . 240
Figure 110. Scanner covers and ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Figure 111. ADF rollers and separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Figure 112. Control panel assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Figure 113. Printer covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Figure 114. Paper tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Figure 115. Internal components (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Figure 116. Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Figure 117. Electrical components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Figure 118. Paper pickup assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Figure 119. Paper pickup assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Figure 120. Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
12 Figures EN
EN Tables 13
Tables
Table 1. Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 2. Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 3. Performance of HP LaserJet 3300mfp series. . . . . . . . . . . . . . . . . . . . 19
Table 4. Performance of ADF for copying/scanning. . . . . . . . . . . . . . . . . . . . . . 20
Table 5. Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 6. Acoustic emissions (HP LaserJet 3300mfp series) . . . . . . . . . . . . . . . 20
Table 7. Skew specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 8. HP LaserJet 3330 fax specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 9. Control panel menu structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 10. Control panel error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Table 11. Media types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 12. Life expectancies of parts that wear. . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Table 13. Product startup messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Table 14. Basic sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Table 15. Basic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Table 16. Alert and warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Table 17. Critical error messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Table 18. Solving print image-quality problems . . . . . . . . . . . . . . . . . . . . . . . . . 188
Table 19. Solving scanning (copying) image-quality problems . . . . . . . . . . . . . 194
Table 20. Solving print paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Table 21. Solving scanner paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . 199
Table 22. Fax receive error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Table 23. Fax send error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Table 24. Fax phase sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Table 25. Appropriate responses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Table 26. Fax abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Table 27. Country/region codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Table 28. Switch functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Table 29. Technical support websites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Table 30. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Table 31. Common fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Table 32. Scanner and ADF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Table 33. ADF rollers and separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Table 34. Control panel assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Table 35. Printer covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Table 36. Paper tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Table 37. Internal components (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Table 38. Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Table 39. Electrical components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Table 40. Paper pickup assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Table 41. Paper pickup assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
14 Chapter - Tables EN
Table 42. Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Table 43. Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Table 44. Numerical parts list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
EN Chapter contents 15
1 Product information
Chapter contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Overview of product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Front and side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Back and side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Hardware description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Firmware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Warranty statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Extended warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Print cartridge information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Refilled print cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Recycling print cartridges . . . . . . . . . . . . . . . . . . . . . . . . . 26
FCC Part 68 Requirements (US) . . . . . . . . . . . . . . . . . . . . . . . 26
Telephone Consumer Protection Act (US) . . . . . . . . . . . . 27
IC CS-03 requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Regulatory information for EU countries . . . . . . . . . . . . . . 28
EN Overview of product 17
7 Print cartridge door
8 Priority input tray
9 Side media guides for the priority input tray
10 Media support for the main input tray
11 Main input tray
12 Side media guides for the main input tray (inside cover, not
shown)
Back and side view
Figure 2. Back and side view
1 Left side panel
2 Straight-through output door
3 USB port
4 Parallel port
5 Power receptacle
6 Power switch (220-240 volt units)
7 LIU (hp LaserJet 3330mfp only
EN Chapter contents 173
6 Troubleshooting
Chapter contents
Basic troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Control panel messages . . . . . . . . . . . . . . . . . . . . . . . . . 178
Critical error messages . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Checking the print cartridge . . . . . . . . . . . . . . . . . . . . . . 187
Solving image-quality problems. . . . . . . . . . . . . . . . . . . . 188
Solving paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . 197
Solving print paper-feed problems. . . . . . . . . . . . . . . . . . 197
Solving scanner (copier) paper-feed problems . . . . . . . . 199
Functional checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Engine test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Half self-test functional check . . . . . . . . . . . . . . . . . . . . . 201
Drum rotation functional check . . . . . . . . . . . . . . . . . . . . 202
Heating element check . . . . . . . . . . . . . . . . . . . . . . . . . . 203
High-voltage power supply check . . . . . . . . . . . . . . . . . . 204
Paper path check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Updating or recovering the firmware code . . . . . . . . . . . . . . . 207
Firmware update via flash executable . . . . . . . . . . . . . . . 207
Firmware recovery DIMM . . . . . . . . . . . . . . . . . . . . . . . . 207
Troubleshooting tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Internal reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Printing all fax reports at once . . . . . . . . . . . . . . . . . . . . . 209
T.30 protocol trace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Service mode functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Secondary service menu . . . . . . . . . . . . . . . . . . . . . . . . . 229
Developer’s menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
NVRAM init . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
PJL software commands . . . . . . . . . . . . . . . . . . . . . . . . . 233
Repetitive image defect ruler . . . . . . . . . . . . . . . . . . . . . . . . 236
Main wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Locations of connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Locations of connectors and switches . . . . . . . . . . . . . . . 240
EN Chapter contents 241
7 Parts and diagrams
Chapter contents
Ordering parts and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Related documentation and software . . . . . . . . . . . . . . . 242
Parts that wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Common hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
How to use the parts lists and diagrams . . . . . . . . . . . . . . . . 245
Scanner assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Scanner and ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
ADF rollers and separation pad . . . . . . . . . . . . . . . . . . . 248
Control panel assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Printer assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Printer covers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Paper tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Internal assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Internal components (1 of 2) . . . . . . . . . . . . . . . . . . . . . . 254
Internal components (2 of 2) . . . . . . . . . . . . . . . . . . . . . . 256
Electrical components . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Paper pickup assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . 260
Paper pickup assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . 262
Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Numerical parts list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
246 Chapter 7 - Parts and diagrams EN
Scanner assemblies
Scanner and ADF
Figure 110. Scanner covers and ADF
252 Chapter 7 - Parts and diagrams EN
Printer assemblies
Printer covers
Figure 113. Printer covers
Part numbers
Table 35. Printer covers
Ref. Part number Description Qty.
1 RA0-1450-000CN Cover, front 1
2 RG0-1116-000CN Cover, right side 1
EN Index 277
Numerics
69T gear, removing 144
abbreviations, fax 225
AC bias 92
AC power distribution 88
accessories, ordering 243
adding paper 50
ADF 18
diagrams and part numbers 246
features 16
life expectancy 56
pickup roller assembly, changing 69, 120
specifications 50
ADF assemblies 119
ADF paper jams 83
ADF paper pickup assembly
diagrams and part numbers 248
ADF pick roller assembly
life expectancy 56
ADF pickup assembly
diagrams and part numbers 248
ADF separation pad
diagrams and part numbers 248
life expectancy 56
ADF, copier, scanner
feeding problems, troubleshooting 199
adhesive labels, printing 50
adjusting
fax data store parameters 230
alcohol, cleaning with 57
high-voltage connection points 204, 205
pickup roller 61
printer separation pad 62
alignment
specifications 21
troubleshooting 192, 197
alphabetical list, part numbers 266
alphanumeric buttons 33
appropriate responses, fax 224
arrays, copier/scanner optical system 80
assemblies, internal 254
automatic document feeder, ADF
capacity 18
automatic document feeder, copier, scanner
feeding problems, troubleshooting 199
back cover, removing 130
background, gray 190
base memory 18
beam detect (BD) signal 92
bidirectional communications 76, 79
bidirectional ECP 78
billing log 209
bin, output
capacity 18
printing to 54
bits per pixel (bpp), maximum 18
black dots, troubleshooting
printed pages 189, 193
scanned images 195
black streaks, troubleshooting 195
blinking lights 178
block diagram
printer 84
block diagrams
image formation 91
product functions 84
block fax list 209
boot process 77
bpp (bits per pixel), maximum 18
breaking paper reams 198
buffer memory 79
buttons
alphanumeric 33
control panel 31 34
bypassing formatter 200
cables
ECU 166
interface, ordering 243
cancel control 34
capacity
output bin 18
card stock
specifications 48
printing 50
cartridge area, cleaning 60
cartridge door
locating 17
removing 133
278 Index EN
cartridges
checking 187, 204
drum rotation check 202
extending life of 78
high-capacity 18
life expectancies 56
operations 91, 92
part numbers 243
recycling 25
refilled 25
removing 110
central processing unit (CPU), formatter 76
characters, misprinted 189, 192
Charge Coupled Device (CCD)
operations 80
charging roller
operations 92
power supply 89
checklists
preservice 110
toner cartridge inspection 187
troubleshooting 174
checks
drum rotation 202
engine 200
half-self-test 201
heating element 203
high-voltage power supply 204
paper path 206
circuit capacity specifications 20
circuitry, ECU power system 88
classes, HP Technical Training 242
cleaning
glass 57
high-voltage connection points 204, 205
lid backing 58
media guides 190
pickup roller 61
print path 59
printer separation pad 62
toner cartridge area 60
cleaning stage, image formation process 93
cleaning the product 57
clipped pages, troubleshooting 188, 194
cloth, toner 244
Coldfire processor 76
color, scanning specifications 20
colored paper, troubleshooting 195
commands, PJL 233
common settings menu 37
communication operations 76, 79
complex pages, printing 79
components, diagrams and part numbers
electrical 258
internal 254
conditioning stage, image formation process 92
configuration report, printing 209
connection points
high-voltage power supply 205
toner cartridge 204
connectors, locations 239
consumables
ordering 242
consumption, power 20
contact image sensor
troubleshooting 195
continuous copy mode, power consumption 20
continuous self-test 229
contrast, troubleshooting 195
control panel
error messages 38
menu structure 35
reports, printing 209
troubleshooting 175
using 35
control panel assembly
diagrams and part numbers 249
control panel bezel, replacing 71
control panel components
alphanumeric buttons 33
copy, scan, and start controls 34
fax controls 31
menu, status, and cancel controls 34
control panel, printer
light messages 178
locating 16
controller PCA. See ECU
copier
operations 80
copier/scanner
feeding problems, troubleshooting 199
operations 76, 80
removing 113
specifications 20
copy setup menu 36
copy speed 20
copying
troubleshooting 176
country/region of origin, identifying 22
coverage, printer 25
covers, removing
back 130
front 133
printer top 132
CPU, formatter 76
crooked pages, troubleshooting 192, 197
crooked scans, troubleshooting 199
curl, troubleshooting 192, 197
Customer Care Online 242
custom-sized media, loading 50
cut-off edges 188, 194
EN Index 279
dark copies or scans, troubleshooting 195
data communication operations 76, 79
date menu 36
DC bias 92
DC Controller PCA. See ECU
DC power distribution 88
delay jams 96
delivery-delay jams 96
delivery roller, observing 206
delivery sensor, paper (PS401)
feeding operations 94
jam detection operations 96
delivery-stationary jams 96
demonstration report, printing 209
density
operations 89
troubleshooting 189
developer’s menu 230
developing roller 89
developing stage, image formation process 92
dimensions, product 19, 30
DIMM recovery
firmware 207
part numbers 243
slots 18
document feeder, ADF
capacity 18
documentation
ordering 242
print cartridge 17, 133
DOS, PJL commands 234
dots per inch, maximum 18
dots, troubleshooting
printed pages 189, 193
scanned images 195
dpi, maximum 18
draft mode 78
DRAM, formatter 76
drive roller, observing 206
drivers, ordering 242
dropouts, troubleshooting 189, 192
inspecting 187
operations 91, 92, 93
rotation functional check 202
troubleshooting 189
drum cleaning stage, image formation process 93
duty cycle 18
dynamic random access memory (DRAM), formatter
EconoMode 78
ECP (Extended Capabilities Port) interface 76
cables 166
electrical components 259
functions 85
jam detection operations 96
laser/scanner operations 87
loads 86
paper feeding operations 94
power system 88
removing 164
ECU (Engine Control Unit)
troubleshooting 175
edges, not printing 188, 194
electrical components, diagrams and part numbers
electrical specifications 20
electrophotographic processes
operations 91, 92
testing 201
electrostatic discharge (ESD), precautions for 109
element, heating
check 203
operations 93
Engine Control Unit (ECU)
troubleshooting 175
engine control unit. See ECU
engine test
performing 200
Enhanced I/O 79
envelopes
loading 50
specifications for 47
environmental specifications 19, 30
error messages 38, 178
ESD (electrostatic discharge), precautions for 109
European Union regulatory information 28
exit rollers, fuser assembly 94
exit sensor, paper. See delivery sensor, paper
(PS401)
Extended Capabilities Port (ECP) interface 76
extended warranty 24
facedown delivery assembly, removing 148
faceup roller, removing 149
fan assembly
removing 153
fasteners, types of 244
280 Index EN
abbreviations 225
appropriate responses 224
billing (metering) tone filters 105
data path 102
downstream current detection 103
hook state 103
hook switch control 104
line current control 104
page storage in flash 105
phase sequence 223
ring detect 104
safety isolation 101
safety protection circuitry 102
Fax (LIU)
functions and operation 100
fax activity report 209
fax coding schemes 21
fax compatibility 21
fax data store parameters 230
fax functions menu 36
fax setup menu 37
fax subsystem 100
fax trace report 210
receiving 32
faxing
controls 31
margins 21
one recipient 31
resolution 21
sending 31 ??
speed 21
T.30 protocol trace report 210
features
firmware 19
hardware 16
feed assembly drive rollers 94
feed assembly, removing 168
feed system, paper 94
feeding problems, troubleshooting
copier/scanner 199
frequent 63
printer 197
field replaceable units (FRUs)
procedures for replacing 109
film, transparency
cleaning print path with 59
loading 50
firmware code 77
recovering or updating 207
firmware features 19
first page out 18
flash executable 207
flash executable update of firmware 207
flash memory 77, 106
flashing lights 178
Flatbed
specifications 51
flowchart, troubleshooting 174
focusing lenses, operations 92
fonts, included 19
form sensor, ADF
jam detection, ADF
ADF jam detection 83
formatter
bypassing 200
copier/scanner operations 80
features 18
in the fax subsystem 101
operations 76
removing 142
front cover assembly, removing 133
front guide assembly, removing 137
FRUs (field replaceable units)
procedures for replacing 109
fuser assembly
diagrams and part numbers 264
exit rollers 94
heating element check 203
life expectancy 56
operations 93
removing 144
temperature, adjusting 190, 191
troubleshooting 189
fuser roller, observing 206
fuses 164
fuses, overcurrent protection (F101, F102) 89
fusing stage, image formation process 93
gear, 69T 144
gray background, troubleshooting 190
group-dial report 210
guide assembly, removing 137
guides
cleaning 190
locating 17
troubleshooting 199
half-self-test functional check 201
hardware features 16
hardware maintenance agreements 24
headers, fax
menu 36
heating element
check 203
operations 93
height, product 19, 30
high-capacity print cartridges 18
EN Index 281
high-voltage power supply
connector assembly, checking 205
operations 89
testing 204
HP Customer Care Online 242
HP JetDirect print servers, ordering 243
HP SupportPack 24
HP Technical Training 242
humidity
specifications 19
troubleshooting 190, 192
I/O, Enhanced 79
idle mode, power consumption 20
image density
troubleshooting 189
voltage operations 89
image formation process
operations 91, 92
testing 201
image quality, troubleshooting
copies and scans 194
printed pages 188
repetitive image defect ruler 236
image sensor
troubleshooting 195
indicator lights, printer control panel
error messages 178
initializing 233
input trays. See main input tray; priority input tray
inserting media 49
interface accessories, ordering 243
internal components, diagrams and part numbers
INTR (Initial Rotation Period) 98
isolated job settings 79
isopropyl alcohol, cleaning with
high-voltage connection points 204, 205
pickup roller 61
printer separation pad 62
ADF 199
copier/scanner 199
detection operations 96
paper input trays 198
JetDirect print servers, ordering 243
keys, numeric
see dialing
keys. See buttons
kick plate motion, observing 206
label, model and serial number 22
labels
specifications for 47
labels, printing 50
languages, printer 79
laser/scanner assembly
cautions for 109
diagrams and part numbers 255, 269, 275
operations 87
latent electrostatic image 92
leading edge
detection operations 94, 96
ADF 83
LEDs, printer control panel
error messages 178
left and right support covers
removing 139
left plate assembly, removing 162
length, product 19, 30
lenses, operations 92
letterhead, loading 50
life expectancies
extending toner cartridge 78
high-capacity print cartridges 18
recycling used print cartridges 25
lift plate
diagrams and part numbers 263, 269, 275
operations 94
light copies or scans, troubleshooting 195
lights, printer control panel
error messages 178
lines, troubleshooting
copies or scans 193, 194, 195
printed pages 189
lists, part numbers
alphabetical 266
numerical 271
LIU 76
safety isolation circuitry 101
safety protection 102
LIU functions and operation 100
LIU in the fax subsystem 101
LIU, locating 17
loading
originals 51 53
loading media 49
loads, ECU 86
long pages, copying or scanning 199
loose toner, troubleshooting 191
lower metal shield, pickup assembly 156
LPT ports, troubleshooting 177
LSTR (Last Rotation Period) 98
machine screws 244
282 Index EN
main input tray
feeding operations 94
feeding problems, troubleshooting 198
loading 49
locating 17
main wiring diagrams 237
maintenance agreements 24
manual feed tray. See priority input tray
manuals
ordering 242
margins
faxing 21
margins, minimum 188, 194
common problems 46
guidelines 46
loading 49
sizes 45
specifications 45
media guides
cleaning 190
locating 17
troubleshooting 199
memory
base 18
buffer 79
formatter 76
Memory Enhancement technology (MEt) 19, 78
developer’s 230
secondary service 229
menu control 34
menu structure
printing 35
using 35
menu structure report, printing 209
messages, error 38, 178
metal shields, pickup assembly 156
mirror operations 92
misalignment
specifications 21
troubleshooting 192, 197
misfeeds, frequent. See feeding problems,
troubleshooting; jams
model number 22
modem speed 21
operations 87
removing 150
rotation, observing 206
multifeeds
See also feeding problems, troubleshooting; jams
copier/scanner 199
printer input trays 65, 198
Non-Volatile RAM. See NVRAM
numbers, part
alphabetical list 266
numerical list 271
numbers, telephone 242
NVRAM 78
operations 76
NVRAM init 233
NVRAM variables 233
one-touch report 210
Online Customer Care, HP 242
operating environment, specifications 19, 30
optical system 80
optical system, copier/scanner
troubleshooting 195
order of
operations 98
printed pages 54
removing parts 111
troubleshooting steps 174
ordering parts and supplies 242
output
locating 16
output bin
capacity 18
printing to 54
output path
cleaning 59
operations 94
output rollers, removing 148, 149
overcurrent/overvoltage protection 89
overhead transparencies
cleaning print path with 59
loading 50
Page Protect 79
pages per minute 19
pages per month 18
ECU 164
breaking reams 198
common problems 46
guidelines 46
loading 49
specifications 45
storing 197
paper delivery sensor (PS401)
feeding operations 94
jam detection operations 96
paper-feed assembly, removing 168
EN Index 283
paper feed problems, troubleshooting
copier/scanner 199
printer 197
paper feed system 94
paper guides
cleaning 190
locating 17
troubleshooting 199
paper input trays. See main input tray; priority input
paper jams 83
copier/scanner 199
detection operations 96
printer input trays 198
paper lift plate
diagrams and part numbers 263, 269, 275
operations 94
paper-out sensor (PS201) 94, 96
paper output bin. See output bin
paper path
cleaning 59
testing 206
troubleshooting 209
paper pickup assembly
diagrams and part numbers 253, 260
removing 155
paper pickup roller. See pickup roller
paper top sensor (PS402) 94, 96
paper tray
diagrams and part numbers 253
Parallel
port, locating 17
parallel cable, ordering 243
parallel port
locating 17
parallel ports, troubleshooting 177
parameters 230
part numbers
alphabetical list 266
numerical list 271
partial characters, troubleshooting 189, 192
ordering 242
removing and replacing 109
parts that wear 56
feeding operations 94, 95
print, cleaning 59
testing 206
paper 209
PCL (Printer Command Language) 79
periods. See stages
phase sequence, fax 223
Phillips screwdrivers 109
phone numbers, ordering supplies 242
phonebook report 210
photosensitive drum
inspecting 187
operations 91, 92, 93
rotation functional checks 202
troubleshooting 189
photosensors
locating 97
paper feed system 94
physical specifications 19
pickup assembly
diagrams and part numbers 253, 260
removing 155
pickup delay jams 96
pickup roller
cleaning 61
life expectancy 56
observing 206
operations 94
replacing 63
shaft, removing 157
pickup solenoid (SL001)
locating 97
observing 206
operations 94, 96
removing 151
pickup stationary jam 96
heating element 203
high-voltage power supply 205
pixels per inch, maximum 18
PJL (Printer Job Language) 233
features 79
plate assemblies, removing 162
pliers, required 109
ECP (Extended Capabilities) 76
locating 17
ports, troubleshooting
LPT 177
parallel 177
PostScript fonts, included 19
specifications 20
power cable, ordering 243
power receptacle, locating 17
power supplies
disconnecting 109
testing high-voltage 204
power switch 17
power switch, locating 17
PoziDriv screwdrivers 109
ppm (pages per minute) 19
preprinted paper, loading 50
284 Index EN
preservice checklist 110
pressure roller, operations 93
primary charging roller
operations 92
power supply 89
print cartridge door
locating 17
removing 133
print cartridges
high-capacity 18
life expectancies 56
operations 91
recycling 25
refilled 25
print density
troubleshooting 189
voltage operations 89
print path
cleaning 59
feeding operations 94, 95
testing 206
PRINT period 98
print quality, troubleshooting 188
print servers, ordering 243
Printer Command Language (PCL) 79
printer covers
diagrams and part numbers 252
printer drivers, ordering 242
Printer Job Language (PJL) 233
features 79
printer pickup roller
cleaning 61
life expectancy 56
observing 206
operations 94
replacing 63
shaft, removing 157
printer separation pad
cleaning 62
life expectancy 56
operations 94
replacing 65
printer top cover, removing 132
printer/scanner separation 113
printing
feed problems 197
loading media 49
troubleshooting 177, 194
priority input tray
feeding operations 94
feeding problems, troubleshooting 198
loading 49
locating 17
processor, formatter 76
production code 22
protocol trace report, printing 210
PSTN 100
quality, troubleshooting
copies and scans 194
printed pages 188
repetitive image defect ruler 236
base 18
formatter 76
reams, breaking 198
receiving faxes
fax tones 32
receptacle, power 17
recovering firmware 207
recycling print cartridges 25
redistr buting toner 187
reduction settings 188, 196
refilled print cartridges 25
removing parts 109, 111
repetitive defects, troubleshooting 191, 236
replacement intervals
consumables 56
print cartridges 18
recycling used print cartridges 25
replacement parts. See parts
replacing parts 109, 111
reports
continuous self-test 229
fax trace 210
menu 36
printing 209
secondary service 229
T.30 protocol trace 210
reset 233
residual paper jams 96
resistance, heating element 203
resizing scanned images 196
resolution
faxing 21
Resolution Enhancement technology (REt) 19
resolution, maximum 18
resolution, scanning 20
revision level 22
right plate assembly, removing 160
RING 100
rollers
life expectancies 56
observing 206
ROM 77, 207
base 18
rotation
drum 202
motor 206
EN Index 285
ruler, repetitive defect 236
scanline data 229
scanner
diagrams and part numbers 246
document path 82
image quality, troubleshooting 194
operations 80
removing 113
specifications 20
scanner assemblies 119
Scanner calibration 56
scanner formatter 76
scanning
loading originals 51
troubleshooting 177
scanning exposure stage, image formation process
scatter, toner 193
schedules, HP Technical Training 242
screwdrivers, required 109
screws
self-tapping 109
types of 244
secondary service menu 229
self test
continuous 229
self-tapping screws, installing 109
sending faxes
one recipient 31
sensor flag, paper-feed assembly 169, 171
sensors
locating 97
paper feed system 94
separation of scanner and printer 113
separation pads
cleaning 62
diagrams and part numbers 263, 270, 274
life expectancies 56
operations 94
replacing 65
separation stage, image formation process 93
sequence
operations 98
printed pages 54
removing parts 111
troubleshooting steps 174
serial number 22
service menu 37
service mode 233
settings
NVRAM variables 233
print job 79
shaft, pickup roller 157
shields, pickup assembly 156
side media guides, locating 17
See also guides
signals, VIDEO 98
69T gear, removing 144
margins, minimum 188, 194
printer 19, 30
scanned images 196
copies or scans, troubleshooting 199
printed pages, troubleshooting 192, 197
specifications 21
slots, DIMM 18
smears, toner 190
software
installation, troubleshooting 177
ordering 242
solenoid (SL001)
locating 97
observing 206
operations 94, 96
removing 151
space requirements 30
spare parts. See parts
special media
common problems 46
specifications 47 49
specifications
media 45
specks, toner 189, 193
data transfer 79
printing and copying 19
processor 76
speed dial report 210
speed, copying 20
printed pages 189, 193
scanned images 195
stages
image formation 92, 201
operation sequence 98
star screws 244
startup messages 77
statements
FCC Part 68 requirements 26
IC CS-03 requirements 27
telephone consumer protection act 27
static eliminator, operations 93
static, precautions for 109
stationary jams 96
ADF 83
status control 34
status information, relaying 76, 79
STBY (Standby) period 98
286 Index EN
storage environment, specifications 19
stored fax pages 105
advantages of flash memory storage 106
storing paper 197
straight-through output door
locating 17
streaks, vertical black 195
stripes, vertical white 193, 194
subpads
operations 94
supplies, ordering 242
support, technical 242
SupportPack, HP 24
SW301, overriding 206
switches
engine test 200
paper path test 206
power 17
system reset 233
T.30 protocol trace report, printing 210
technical support 242
Technical Training 242
telephone numbers, ordering supplies 242
temperature
fuser settings 190, 191
specifications 19
storing paper 197
troubleshooting 192
drum rotation 202
engine 200
half-self functional check 201
heating element 203
high-voltage power supply 204
paper path 206
text, troubleshooting
misprinted 189, 192
scanned 196
thermistor connector 203
time/date, header menu 36
timing diagram, general 99
TIP 100
cloth, ordering 244
image formation operations 92
loose, troubleshooting 191
redistributing 187
scattered, troubleshooting 193
smears, troubleshooting 190
specks, troubleshooting 189, 193
waste cleaning operations 93
toner cartridge area, cleaning 60
toner cartridges
checking 187, 204
drum rotation check 202
extending life of 78
operations 92
part numbers 243
removing 110
toner cartridges. See print cartridges
tools, required 109
top-of-page sensor, ADF 83
trace report, printing 210
trailing edge, detection 96
ADF 83
Training, HP Technical 242
transfer roller
cleaning around 57
life expectancy 56
observing 206
operations 92
power supply 89
removing 140
transfer stage, image formation process 92
transparencies
cleaning print path with 59
loading 50
specifications for 46
trays. See main input tray; priority input tray
troubleshooting
control panel 175
copying 176
ECU (Engine Control Unit) 175
LPT ports 177
printing 177
scanning 177
software installation 177
troubleshooting steps 174
TrueType fonts, included 19
truss head screws 244
two-way communications 76, 79
Universal Serial Bus. See USB
unplugging printer 109
updating firmware code 207
upper metal shield, pickup assembly 156
cable, ordering 243
interface 76
USB interface 78
vacuums, cautions against 60
variables, NVRAM 233
ventilation requirements 30
vertical black streaks, troubleshooting 195
vertical defects, troubleshooting 191
EN 287
vertical lines, troubleshooting 189
vertical white stripes, troubleshooting 193, 194
VIDEO signals 98
voltage
DC power supply 88
high-voltage power supply 89
overvoltage protection 89
WAIT period 98
warranty
extended 24
refilled cartridges, impact on 25
statement 23
waste toner receptacle 93
wave, troubleshooting 192, 197
websites 242
weight
printer 19
toner cartridge 187
white stripes, troubleshooting 193, 194
width, product 19, 30
wiring diagrams 237
wrapping jams 96
wrinkled pages, troubleshooting 197
writing stage, image formation process 92
zero insertion force (ZIF) connectors 143
288 Index EN
Hewlett-Packard Company
www.hp.com/support/lj3300
C9124-90948
*C9124-90948**C9124-90948*


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