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Make/Model Information:

  • Brand:   Hewlett-packard
  • Models included:
    • HP Color LaserJet 3500
    • HP Color LaserJet 3550
    • HP Color LaserJet 3700

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   598
  • File size:  ∼ 20.63  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMHP-1009

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hp color L
aserJet
3500/3550 and 3700
series printer
Table of contents
1 Printer description
Chapter contents
Printer configurations
HP Color LaserJet 3500/3550 printer
HP Color LaserJet 3500n/3550n printer
HP Color LaserJet 3700 printer
HP Color LaserJet 3700n printer
HP Color LaserJet 3700dn printer
HP Color LaserJet 3700dtn printer
Printer features
Printer assemblies
Front and rear features
Site requirements
Space requirements
Electrical specifications
Environmental specifications
Printer specifications
Duty cycle
Print media specifications
Supported media weights and sizes
Hewlett-Packard warranty statement
HP's Premium Protection Print Cartridge Warranty Limited Warranty Statement
Premium Protection Warranty Color LaserJet Image Fuser Kit and Image Transfer
Kit Limited Warranty Statement
Identification
Model and serial numbers
Power and regulatory information
Selecting paper
Paper to avoid
Paper that can damage the printer
Printing on special media
Transparencies
Glossy paper
Colored paper
Envelopes
Labels
Heavy paper
HP LaserJet Tough paper
Preprinted forms and letterhead
Recycled paper
Media weight
Environmental product stewardship program
Protecting the environment
Declaration of Conformities
Safety statements
Laser safety statement
ENWW Conventions v
Canadian
DOC regulations
EMI statement (Korea)
VCCI statement (Japan)
Laser statement for Finland
FCC Regulations
2 Service approach
Chapter contents
.....................................................................................................................41
Search approach
Parts and supplies
Ordering parts
Ordering supplies
Exchange program
Supplies
World Wide Web
HP service parts information CD-ROM
HP support assistant CD-ROM
Customer care reseller sales and service support center
Ordering related documentation and software
HP maintenance agreements
On-site service agreements
3 Installation and configuration
Chapter contents
.....................................................................................................................47
Checking the package contents
Unpacking the printer
Installing the print cartridge
Loading paper into Tray 3 (optional)
Loading paper into Tray 2
Loading paper into Tray 1 (optional procedure)
Connecting power
Installing a new control panel overlay (optional)
Testing the printer operation
Using PowerSave Time
To set PowerSave Time
To disable/enable PowerSave
USB configuration
Connecting the USB cable
Parallel configuration (HP Color LaserJet 3700 series printer only)
Network configuration
Enhanced I/O (EIO) configuration (HP color LaserJet 3700 series printer only)
HP Jetdirect print servers
Available enhanced I/O interfaces
NetWare networks
Windows and Windows NT networks
AppleTalk networks
UNIX/Linux networks
Printer software
Printer drivers
Software for networks
Utilities
Setting security on the printer
Locking the control panel
Using an ASCII PJL escape sequence to set security
Printer memory for the HP Color LaserJet 3700 series printer
vi ENWW
Installing memory
and font DIMMs
Enabling memory
Enabling the language font DIMM (HP color LaserJet 3700 only)
Checking DIMM installation (HP color LaserJet 3700 only)
Installing an HP Jetdirect print server card in the HP color LaserJet 3700 series printer
To install the HP Jetdirect print server card
Installing an HP Jetdirect en3700 external print server
4 Printer maintenance
Chapter contents
Cleaning the printer and accessories
Cleaning spilled toner
Managing supplies
Supplies life
Approximate replacement intervals for supplies for the HP Color LaserJet 3500
series printer
Approximate replacement intervals for supplies for the HP Color LaserJet
3550/3700 series printer
Locating supplies and parts
Replacing supply items
Replacing the transfer unit
Replacing the fuser and pickup roller
5 Theory of operation
Chapter contents
Basic operation
Operation sequence
Power-on sequences
Engine control system
DC controller PCB
Low-voltage power supply circuit
Low-voltage power supply circuit
Laser/scanner system
Laser control
Scanner motor control
Image formation system
Print process
Developing section
Cartridge cleaning control
Transfer section
ITB cleaning control
Waste toner full detection
Transfer (ITB) unit detection
Transfer unit life detection
ITB self-aligning mechanism
Primary transfer roller engaging/disengaging control
Secondary transfer roller engaging/disengaging control
Secondary transfer roller engaging/disengaging detection
Color misregistration control
Image stabilization control
Pickup/feed system
Pickup/feed unit
Fuser/delivery unit
Duplexing feed unit (HP 3700 printer only)
Jam detection
ENWW Conventions vii
Paper feeder
.................................................................................................................. ........197
Pickup/delivery sequence
Paper jam detection
6 Removal and replacement
Chapter contents
Introduction
Removal and replacement strategy
Repair notices
Caution regarding electrostatic discharge (ESD)
Required tools
Types of screws
Supplies
Print cartridges and transfer unit
Covers
Front door removal
Left cover removal
Left front cover removal
Right cover removal
Top cover removal
Upper rear door removal
Rear cover removal
Lower rear door (rear output bin) removal
Tray 1 (multipurpose) removal
Main Assemblies
Transfer unit removal
Print cartridge removal
Fuser removal
Face-down delivery assembly removal
Laser/scanner assembly removal
Image drive assembly removal
Developing engaging drive assembly removal
Pick-up/feed assembly removal
Main assembly parts
Tray 1 pick-up roller removal
Tray 1 separation pad removal
Tray 2 pick-up roller removal
Tray 2 separation pad removal
Secondary transfer charging roller removal
Fuser sleeve unit removal
Pressure roller removal
Main thermistor/sub-thermistor removal
Thermoswitch removal
Feed guide unit removal
Swing guide removal, right
Swing guide removal, left
Switches
Door Switch (SW1) removal
Test print switch (SW1001) removal
Power switch (SW3001) removal
Sensors
Tray 1 (multipurpose tray) paper sensor (PS1) removal
Tray 2 (cassette) paper sensor (PS2) removal
Registration paper sensor (PS4) removal
Media sensor (PS5) removal
viii ENWW
Fuser front paper sensor (PS6)
removal
Fuser delivery paper sensor (PS7) removal
Face-down delivery paper sensor (PS8) removal
Reversed paper sensor (PS9) removal (HP 3700 only)
Duplex feed delivery paper sensor (PS10) removal (HP 3700 only)
Rear output bin paper sensor (PS11) removal
Color misregistration sensor (PS12) removal
Waste toner level sensor (PS13) removal
Developing engaging sensor (PS14) removal
Environment sensor (PS15) removal
Secondary transfer roller engaging sensor (PS16) removal
Solenoids and Clutches
Tray 1 (multipurpose tray) pick-up solenoid (SL1) removal
Tray 2 pick-up solenoid (SL2) removal
Secondary transfer roller engaging solenoid (SL4) removal
Duplex feed solenoid (SL5) removal (HP 3700 only)
Registration clutch (CL1) removal
Black (K) development clutch (CL2 - image drive) removal
Developing engaging drive clutch (CL3) removal
Motor and fans
Feed motor (M1) removal
Delivery motor (M2) removal
Drum motor (M3) removal
Developing motor (M4) removal
Primary transfer roller engaging motor (M5) removal
Exhaust fan (FAN1) removal
Circuit Boards
DC controller PCB removal
Formatter PCB removal
High-voltage power supply PCB removal
Low-voltage power supply PCB removal
Memory controller PCB removal
Control Panel PCB removal
Miscellaneous parts
Swing rod guide, left removal
Swing rod/lock guide, right removal
Transfer contact assembly removal
Developing contact assembly
Tray 2 (cassette) parts removal
Tray 2 (cassette)
Cassette (Tray 2) guide, right, removal
500-Sheet paper feeder (Tray 3) covers
Front cover removal - 500-sheet paper feeder
Right cover removal - 500-sheet paper feeder
Left cover removal - 500-sheet paper feeder
500-Sheet paper feeder internal parts
Pick-up roller removal - 500-sheet paper feeder
Separation pad removal - 500-sheet paper feeder
Pick-up drive unit removal - 500-sheet paper feeder
500-Sheet paper feeder sensor/solenoid/motor/PCB
500-Sheet paper feeder PCB removal - 500-sheet feeder
Pick-up clutch (CL4) removal - 500-sheet feeder
Pick-up solenoid (SL3) removal - 500-sheet feeder
Paper sensor (PS3) removal - 500-sheet feeder
ENWW Conventions ix
7 Troubleshooting
Chapter contents
Introduction
Troubleshooting process
Pre-troubleshooting checklist
Troubleshooting flowchart
Troubleshooting power-on
Printer error troubleshooting
Status messages
Warning messages
Error messages
Critical error messages
Alphabetical printer messages
Numerical printer messages
Replacement parts configuration
Formatter and DC Controller replaced at the same time
Formatter (New) replacement configuration
Formatter (previously installed in another printer) replacement configuration
DC Controller (New) replacement configuration
DC Controller (previously installed in another printer) replacement configuration
Media sensor (PS5) replacement configuration
Color Misregistration Sensor (PS12) replacement configuration
Laser/scanner Assembly replacement configuration
Fuser replacement configuration
Transfer unit (ITB assembly) replacement configuration
Paper path troubleshooting
Paper path jam areas
Paper jam error message
Paper path areas jam troubleshooting
Paper jam recovery feature
Avoiding paper jams
General paper path troubleshooting
Persistent jams
Image formation troubleshooting
Print quality problems associated with media
Overhead transparency defect
Print quality problems associated with the environment
Print quality problems associated with paper jams
Print quality problems associated with toner buildup
Print quality troubleshooting pages
Calibrating the printer
Using Color
HP ImageREt 2400
Paper selection
Color options (available for the HP Color LaserJet 3700 series printer)
Standard red-green-blue (sRGB)
Printing in four-colors [CMYK (available for the HP Color LaserJet 3700 series
printer)
CMYK ink set emulation (PostScript only)
Managing color
Print in Grayscale
Automatic or manual color adjustment
Manual color options
Matching colors
Swatch book color matching (HP Color LaserJet 3700 series printer only)
Adjusting color balance
Image defects .
................................................................................................................ .......390
Light image
Light color
Dark image
Dark color
Completely blank image
All black or solid color
Dots in vertical lines
Dirt on back of paper
Dirt on front of paper
Vertical lines
White vertical lines
Horizontal line
White horizontal line
Color missing
Blank spots
Poor fusing
Image distortion
Color misregistration
Smearing
Misplaced image
Reversed color
Snail tracks
Repetitive defects troubleshooting
Interface troubleshooting
Communications checks
EIO troubleshooting
AUTOEXEC.BAT standard configurations
Printer Job Language (PJL) commands
@PJL COMMENT
@PJL INFO CONFIG
@PJL INFO ID
@PJL INFO USTATUS
@PJL INFO PAGECOUNT
@PJL JOB
@PJL EOJ
@PJL ECHO
@PJL USTATUS JOB=ON/OFF
@PJL USTATUSOFF
Control panel troubleshooting
Printing a menu map
Information menu
Paper handling menu
Configure device menu
Print quality menu
System setup menu
I/O menu
Resets menu
Diagnostics menu
Service menu
Tools for troubleshooting
Embedded Web server (HP Color LaserJet 3700 series printer only)
HP Toolbox
Printer configuration page
Supplies status page
Usage page (HP 3700 only)
ENWW Conventions xi
Event log
.....................................................................................................................431
Diagnostics
Diagnostics flowchart
Engine diagnostics
Diagnostics from the Control Panel
Printer display menu
Diagnostics test menu
Paper Path Test
Component Test special mode test
Print/Stop Test
Information menu
Configure device menu/printing menu
Configure device menu/resets menu
Configure device menu/print quality menu
Test pages
Engine test page
Formatter test page
Engine resets
Cold reset
NVRAM initialization
Calibration bypass
Calibrate Now
Service menu
Accessing the Service menu
Diagrams
Main parts
Switches
Sensors
Solenoids and clutches
Motors and fans
Connector locations
500-sheet paper feeder connectors
General circuit diagram
8 Parts and diagrams
Chapter contents
...................................................................................................................465
Introduction
Ordering parts
Supplies and accessories
Replacement parts configuration
Illustrations and parts lists
Alphabetical parts list
Numerical parts list
xii ENWW
List of tables
Table 1-1. Features
Table 1-2. Electrical specifications
Table 1-3. Power consumption for 110 and 220-volt (average in watts)
...................12
Table 1-4. Environmental specifications
Table 1-5. Supply storage requirements
Table 1-6. Physical dimensions
Table 1-7. Acoustic emissions
Table 1-8. Tray 1 paper sizes
.......................................................................................16
Table 1-9. Tray 2 paper sizes
.......................................................................................17
Table 1-10. Tray 3 paper sizes
.......................................................................................17
Table 1-11. Automatic two-sided printer (available on some models of the
HP Color LaserJet 3700 series printer)
....................................................17
Table 1-12. Model names and numbers
Table 1-13. Weight equivalence table
Table 2-1. Related documentation and software
Table 3-1. Printer drivers for the HP Color LaserJet 3500/3550 series printer
Table 3-2. Printer drivers for the HP Color LaserJet 3700 series printer
Table 3-3. Other software applications
Table 3-4. Printer security levels
Table 4-1. Cleaning the printer
Table 4-2. Approximate replacement intervals
Table 4-3. Approximate replacement intervals
Table 5-1. Basic operation sequence
Table 5-2. Motor Functions
Table 5-3. Function of solenoids
Table 5-4. Function of clutches
Table 5-5. Print media and feed speeds
Table 5-6. Conditions of available duplex feed
Table 6-1. Common fasteners
Table 6-2. Approximate replacement intervals for print cartridges
Table 6-3. Approximate replacement intervals for supply items
Table 7-1. Pre-troubleshooting checklist
Table 7-2. Alphabetical printer messages
Table 7-3. Numerical printer messages
Table 7-4. Error messages and associated jam locations
Table 7-5. Causes for multiple pages feeding
Table 7-6. Causes for jams in the Tray 1 pick-up area
Table 7-7. Causes for jams in the Tray 2 area
Table 7-8. Causes for jams in the fuser/face-down delivery area
Table 7-9. Transfer/feed area
Table 7-10. Causes for wrinkled or folded paper (paper path entrance)
Table 7-11. Causes for wrinkled or folded paper (paper path exit)
Table 7-12. Causes for skewed paper
Table 7-13. Causes for jams in the duplex area (HP 3700 (only)
Table 7-14. Fuser/face-down delivery area
Table 7-15. Common causes of paper jams
ENWW Conventions xiii
Table 7-16.
Image defects
Table 7-17. Causes for light images
Table 7-18. Causes for one color printing light
Table 7-19. Causes for dark images
Table 7-20. Causes for one color printing dark
Table 7-21. Causes for a completely blank image
Table 7-22. Causes for an all black or solid colored image
Table 7-23. Causes for vertical lines of white dots
Table 7-24. Causes for dirt on the back of the paper
Table 7-25. Causes for dirt on the front of the paper
Table 7-26. Causes for vertical lines
Table 7-27. Causes for white vertical lines
Table 7-28. Causes for horizontal line
Table 7-29. Causes for white horizonal lines
Table 7-30. Causes for a missing color
Table 7-31. Causes for blank spots
Table 7-32. Causes for poor fusing
Table 7-33. Causes for distortion or blurring
Table 7-34. Causes for smearing
Table 7-35. Causes for smearing
Table 7-36. Causes for a misplaced image
Table 7-37. Causes for reversed color
Table 7-38. Causes for reversed color
Table 7-39. Repetitive defect cause
Table 7-40. Communications check
Table 7-41. Information menu
Table 7-42. Paper handling menu
Table 7-43. Printing menu
Table 7-44. Print quality menu
Table 7-45. System setup submenu
Table 7-46. I/O submenu
Table 7-47. Resets submenu
Table 7-48. Diagnostics menu
Table 7-49. Service menu
Table 7-50. Paper path and manual sensor test control panel information
Table 8-1. Supplies and accessories
Table 8-2. Common fasteners
Table 8-3. PCB locations
Table 8-4. Paper feeder PCB Assembly Location diagram
Table 8-5. External covers and panels
Table 8-6. Front door assembly
Table 8-7. Internal components (1 of 4)
Table 8-8. Internal components (2 of 4)
Table 8-9. Internal components (3 of 4)
Table 8-10. Internal components (4 of 4)
Table 8-11. Center Frame Assembly
Table 8-12. Main Right Side Plate Assembly / Motors
Table 8-13. Main Left Side Plate Assembly
Table 8-14. Image drive assembly
Table 8-15. Developing Disengaging Assembly
Table 8-16. Tray 2 (cassette)
Table 8-17. Pick-up/Feed assembly
Table 8-18. Tray 2 (cassette) pick-up assembly
Table 8-19. Face-down delivery assembly
Table 8-20. Transfer unit
Table 8-21. Right Swing Frame Assembly
xiv ENWW
Table 8-22.
Left swing frame assembly
Table 8-23. Fuser assembly
Table 8-24. 500-Sheet paper feeder main body
Table 8-25. 500-Sheet paper feeder paper pick-up drive assembly
Table 8-26. 500-Sheet paper feeder tray (Tray 3)
Table 8-27. Alphabetical parts list
Table 8-28. Numerical parts list
ENWW Conventions xv
Theory of operation
Chapter contents
This chapter contains the following sections.
Chapter contents
...................................................................................................................113
Basic operation
Operation sequence
Power-on sequences
Engine control system
DC controller PCB
Low-voltage power supply circuit
Low-voltage power supply circuit
Laser/scanner system
Laser control
Scanner motor control
Image formation system
Print process
Developing section
Cartridge cleaning control
Transfer section
ITB cleaning control
Waste toner full detection
Transfer (ITB) unit detection
Transfer unit life detection
ITB self-aligning mechanism
Primary transfer roller engaging/disengaging control
Secondary transfer roller engaging/disengaging control
Secondary transfer roller engaging/disengaging detection
Color misregistration control
Image stabilization control
Pickup/feed system
Pickup/feed unit
Fuser/delivery unit
Duplexing feed unit (HP 3700 printer only)
Jam detection
Paper feeder
Pickup/delivery sequence
Paper jam detection
ENWW Chapter contents 113
Removal and replacement
Chapter contents
This chapter contains the following sections:
Chapter contents
..................................................................................................................201
Introduction
Removal and replacement strategy
Repair notices
Caution regarding electrostatic discharge (ESD)
Required tools
Types of screws
Supplies
Print cartridges and transfer unit
Covers
Front door removal
Left cover removal
Left front cover removal
Right cover removal
Top cover removal
Upper rear door removal
Rear cover removal
Lower rear door (rear output bin) removal
Tray 1 (multipurpose) removal
Main Assemblies
Transfer unit removal
Print cartridge removal
Fuser removal
Face-down delivery assembly removal
Laser/scanner assembly removal
Image drive assembly removal
Developing engaging drive assembly removal
Pick-up/feed assembly removal
Main assembly parts
Tray 1 pick-up roller removal
Tray 1 separation pad removal
Tray 2 pick-up roller removal
Tray 2 separation pad removal
Secondary transfer charging roller removal
Fuser sleeve unit removal
Pressure roller removal
Main thermistor/sub-thermistor removal
Thermoswitch removal
Feed guide unit removal
ENWW Chapter contents 201
Troubleshooting
Chapter contents
This chapter contains the following sections:
Chapter contents
..................................................................................................................303
Introduction
Troubleshooting process
Pre-troubleshooting checklist
Troubleshooting flowchart
Troubleshooting power-on
Printer error troubleshooting
Status messages
Warning messages
Error messages
Critical error messages
Alphabetical printer messages
Numerical printer messages
Replacement parts configuration
Formatter and DC Controller replaced at the same time
Formatter (New) replacement configuration
Formatter (previously installed in another printer) replacement configuration
DC Controller (New) replacement configuration
DC Controller (previously installed in another printer) replacement configuration
Media sensor (PS5) replacement configuration
Color Misregistration Sensor (PS12) replacement configuration
Laser/scanner Assembly replacement configuration
Fuser replacement configuration
Transfer unit (ITB assembly) replacement configuration
Paper path troubleshooting
Paper path jam areas
Paper jam error message
Paper path areas jam troubleshooting
Paper jam recovery feature
Avoiding paper jams
General paper path troubleshooting
Persistent jams
Image formation troubleshooting
Print quality problems associated with media
Overhead transparency defect
Print quality problems associated with the environment
Print quality problems associated with paper jams
Print quality problems associated with toner buildup
Print quality troubleshooting pages
ENWW Chapter contents 303
Parts and diagrams
Chapter contents
This chapter contains the following sections.
Chapter contents
...................................................................................................................465
Introduction
Ordering parts
Supplies and accessories
Replacement parts configuration
Illustrations and parts lists
ENWW Chapter contents 465
Symbols/Numerics
500-sheet feeder
paper jams
500-sheet paper feeder - see also, tray 3 296
access denied 76
accessories
cleaning 91
ordering 43
adjusting
color balance 389
ammonia-based cleaners, avoiding 92
AppleTalk
networks 70
ASCII escape sequence 77
assemblies
locating 9
remanufactured 44
replacing 42
atmospheric pressure 13
AUTOEXEC.BAT, parallel I/O settings 404
automatic photocurrent control (APC) 142
black development clutch (CL2)
removal and replacement 267
block functions 121
born-on date 449
browsers, supported 424
calibrate now 447
calibrating, print quality 383
calibration, bypassing 447
cardstock, printing 28
cartridge
cleaning control 163
life detection 161
presence detection 160
cassette, see also, tray 2 291
cautions 11
CD, service parts information 44
Chapter 113, 201, 303, 465
circuit
assemblies 42
capacity 12
circuit boards 278
circuits
DC controller 119
fuser control 127
heater temperature control 128
high-voltage power supply 132
low-voltage power supply 126, 131
CL1 - see, registration clutch 266
CL2 - see, black development clutch 267
CL3 - see, developing engaging drive clutch 268
cleaning
covers 91
printer and accessories 91
spilled toner 92
cleaning block, print process 155
clear event log 448
clutch
black development (CL2) 267
developing engaging drive (CL3) 268
ink set emulation 385
coated media 25
cold reset
paper type 449
adjusting balance 389
automatic adjustment 386
CMYK 385
CMYK ink set emulation 385
HP ImageREt 2400 384
managing 386
manual adjustment 386
matching 388
options 384
paper selection 384
print quality 384
reversed 400
RGB 384
swatch book color matching 388
using 384
color misregistration
control 174
detection 176
color misregistration sensor (PS12)
removal and replacement 260
replacement configuration 355, 476
colored paper 26
ENWW Index 561
commands
PJL 404
Commercial Service and Support Organization
America (CSSO-A) 43
Europe (CSSO-E) 43
compact disc, service parts information 44
components
replacing 42
configuration
color misregistration sensor (PS12) replacement
355, 476
DC controller PCB replacement 353, 354, 475
DC controller, previously installed, replacement
353, 474
enhanced I/O (EIO) 69
formatter PCB and DC controller PCB replacement
at same time 352, 474
formatter PCB replacement 352, 474
fuser replacement 355, 476
laser/scanner assembly replacement 355, 476
media sensor (PS5) replacement 354
media sensor (PS5)replacement 476
network 68
parallel 67
transfer unit replacement 355, 477
USB 66
configuration page
printing 428
connectors
locating 458
control panel
diagnostics 436
error messages 312
locking 76
overlays, part numbers 470
troubleshooting 407
control panel PCB
removal and replacement 287
controls
cartridge cleaning 163
color misregistration 174
developing cylinder engaging/disengaging 162
developing motor 125
drum motor 124
environmental 178
fan 125
feed speed 186
heater temperature 127
horizontal synchronous 142
image density (D-max) 179
image halftone (D-half) 179
image mask 143
image stabilization 177
ITB (transfer) unit 167
laser 140
laser emission 142
memory tag 160
phase 145
primary transfer roller engaging/disengaging 171
reverse 193
scanner motor 144
secondary transfer roller engaging/disengaging 172
speed 145
video interface 135
country/region of origin, determining 22
cover, left, 500-sheet paper feeder
removal and replacement 297
cover, right, 500-sheet paper feeder
removal and replacement 297
crooked images 368
CSSO-A (Commercial Service and Support
Organization-America) 43
CSSO-E (Commercial Service and Support
Organization-Europe) 43
cutouts 24
DC controller
circuit 119
function 119
replacement configuration 353, 355, 475, 476
replacement configuration, previously installed
354, 475
DC controller PCB
removal and replacement 278
delivery motor (M2)
removal and replacement 271
Deskjet transparencies
avoiding 26
detection
cartridge life 161
cartridge presence 160
color misregistration 176
developing cylinder engaging/disengaging 163
failure 130
failure, laser diode 144
failure, scanner motor 145
image density 180
ITB (transfer) unit 168
jams 199
media 189
toner level 161
transfer roller engaging/disengaging, secondary
transfer unit life 169
waste toner full 167
developing cylinder engaging/disengaging
control 162
detection 163
562 Index ENWW
developing disengaging
assembly, part
numbers 506, 508
developing engaging drive assembly
removal and replacement 225
developing engaging drive clutch (CL3)
removal and replacement 268
developing engaging sensor (PS14)
removal and replacement 261
developing motor (M4)
removal and replacement 273
developing motor control 125
developing motor control circuit 125
developing section
cartridges 156
engaging/disengaging unit 157
memory tag control 160
development block, print process 151
diagnostics
control panel 436
engine 434
manual sensor test 436
mode 434
paper path sensors 436
print/stop test 442
procedure 433
using 42
dimensions
printer 15
installing 79
disable cartridge check 436
documentation
ordering 45
door switch
location 452
removal and replacement 250
DOS commands, parallel I/O 404
drivers
printer 45
drum drive unit
part numbers 505
drum motor (M3)
removal and replacement 271
drum motor control 124
drum motor control circuit 124
duplex feed delivery paper sensor
removal and replacement 258
duplex feed mode 194
duplex feed solenoid (SL5)
removal and replacement 266
duplexing
does not work, re-enabling 352, 474
feed unit (HP 3700) 192
duty cycle 15
troubleshooting 403
electrical specifications 12
electrostatic discharge, caution 204
electrostatic latent image formation block, print process
embedded Web server
information tab 423
network connection 422
networking tab 424
settings tab 423
software 74
embossed media 25
enabling
language font DIMM 83
enhanced I/O (EIO) configuration 69
environment sensor (PS15)
removal and replacement 261
environmental
change control 178
location requirements 11
specifications 13
stewardship program 31
error messages
alphabetical list 312
numerical list 327
paper jams 357
errors 312
ESD - see electrostatic discharge 204
event log
display on control panel 436
printing 431, 436
exchange program 44
exhaust fan (FAN1)
removal and replacement 277
extended warranty information 46
face-down - see, output bin 221
face-down delivery assembly
removal and replacement 221
face-down delivery paper sensor
removal and replacement 257
failure detection
laser diode 144
scanner motor 145
fan control
circuit 125
fasteners 472
feed guide
removal and replacement 240
feed motor (M1)
removal and replacement 269
feed speed control 186
flicker prevention mechanism 129
ENWW Index 563
font DIMMs
installing
formatter PCB
removal and replacement 279
replacement configuration 352, 474
replacement configuration, previously installed
353, 474
front cover, 500-sheet paper feeder
removal and replacement 296
front door
removal and replacement 209
fuel gages 436
functions
block 121
failure detection 130
flicker prevention 129
fuser detection 130
motors 121
protective 129, 132
count, resetting 448
covers 91
life 207
removal and replacement 220
replacing 103
warranty 21
fuser block, print process 154
fuser control circuit 127
fuser delivery paper sensor (PS)
removal and replacement 256
fuser detection 130
fuser front paper sensor (PS6)
removal and replacement 256
fuser sleeve
removal and replacement 239
fuser/delivery unit 189
fusing problems 397
glossy paper
printing 26
grayscale printing 386
heater temperature control 127
heavy paper, printing 28
high-voltage power supply circuit 132
high-voltage power supply PCB
removal and replacement 281
horizontal synchronous control 142
HP ImageREt 2400 384
HP Jetdirect external print server
installing 88
HP Jetdirect print server card
function 69
installing 85
HP Support Assistant 44
HP toolbox 74, 424
HP Web Jetadmin 73
humidity
site requirements 13
site requirments 11
storing supplies 13
distortion 398
formation system 146
halftone control (D-half) 179
mask control 143
stabilization control 177
image defects
all black or solid color 393
blank images 393
blank spots 397
color misregistration 398
color missing 397
dark color 392
dark images 392
distortion 398
from dirt on paper 394
horizontal lines 396
light color 392
light images 391
misplaced images 399
reversed color 400
smearing 399
snail tracks 400
vertical dots 394
vertical lines 395
image density
control (D-max) 179
detection 180
image drive assembly
removal and replacement 223
information menu 407
information tab, embedded Web server 423
inkjet transparenices
avoiding 26
input trays
supported media 16
installing
DIMMs 79
HP Jetdirect external print server 85, 88
memory 79
print cartridges 55
intermediate transfer belt - see, ITB 218
internal components
part numbers 489
isolating problems 42
564 Index ENWW
(transfer) unit
(transfer) unit, secondary 164
replacing 99
replacing before end of life 103
see, transfer unit 218
jam - see, paper jams 357
Korean EMI statement 37
language
changing on display 63
control panel overlay 63
overlays 63
printer job (PJL) 404
language font DIMM
enabling 83
laser control 140
laser emission control 142
laser safety statements
United States 37
laser/scanner
system 139
unit 139
laser/scanner assembly
removal and replacement 222
replacement configuration 355, 476
left cover
removal and replacement 210
left front cover
removal and replacement 211
levels
security 76
software 73
loading paper
procedure 57, 59, 61
locating
parts and supplies 96
locking control panel
settings 76
low-voltage power supply circuit 126, 131
low-voltage power supply PCB
removal and replacement 285
lower rear door
removal and replacement 215
M1 - see, feed motor 269
M2 - see, delivery motor 271
M3 - see, drum motor 271
M4 - developing motor (M4) 273
M5 - transfer roller engaging motor 274
maintenance
agreements 46
printer 91
managing
color 386
supplies 94
manual color adjustment 386
manual sensor test 436
matching colors 388
Material Safety Data Sheet (MSDS) 32
mechanisms
flicker prevention 129
skew control 187
colored paper 26
detection 189
glossy paper 26
heavy paper 28
loading, tray 59, 61
loading, tray 3 57
nonsupported 24
preprinted forms and letterhead 28
recycled paper 29
selecting 24
selection 384
sizes 16
special 26
transparencies 26
weight 29
weights 16
media sensor (PS5)
removal and replacement 255
replacement configuration 354, 476
memory
enabling 83
font DIMMs 79
installing 79
printer 78
memory controller PCB
removal and replacement 286
memory tag control 160
menu map
printing 407
locking 76
messages
alphabetical list 312
critical error 312
error 312
numerical list 327
status 312
warning 312
model numbers 22
ENWW Index 565
duplex feed
delivery (M2) 271
developing (M4) 273
drum (M3) 271
exhaust fan (FAN1 277
feed (M1) 269
functions 121
locations 455
transfer roller engaging (M5) 274
MS-DOS commands 404
MSDS (Material Safety Data Sheet) 32
multifeeds 360
multipart forms, avoiding 24
multipurpose tray - see, tray 1 216
network
configuration 68
troubleshooting 403
networking tab, embedded Web server 424
networks
AppleTalk 70
enhanced I/O (EIO) 69
enhanced I/O (EIO) configuration 69
enhanced I/O interfaces 69
HP Web Jetadmin 73
I/O interfaces 69
Novell NetWare 70
security 76
setting printer security 76
software 72
UNIX/Linux 70
Windows 65 70
nonsupported
media 24
Novell NetWare 70
initialization 446
operating systems, supported 424
operation
basic 114
engine control system 119
major systems 114
timing sequence 114
options
color 384
ordering
accessories 43
documentation 45
drivers 45
parts 43
parts and supplies 43
software 45
output bin
locating 9
pages, maximum per month 15
recycled 29
selecting 24
selection, for color printing 384
paper feeder 197
paper jams
detection 199
duplex 369
front door area 362
fuser area 373
fuser/face-down delivery area 370
fuser/face-down delivery troubleshooting 370
general paper path troubleshooting 379
lower rear door area 376
lower rear door area, removal 376
multifeeds 360
persistent 380
recovery feature 377
registration/transfer area jams 363
transfer/feed area 362
tray 1 360
tray 2 361
tray 3 361
troubleshooting 356
upper rear door area 371
upper rear door area, removal 371
paper path sensors test 436
paper pickup drive unit
part numbers 501
paper sensor, 500-sheet paper feeder
removal and replacement 302
parallel
configuration 67
part numbers
control panel overlays 470
developing disengaging assembly 506, 508
drum drive unit 505
internal components 489
paper pickup drive unit 501
reference material 471
supplies 471
compact disc information 44
locating 96
ordering 43, 467
566 Index ENWW
parts ordering
internet
passwords
setting 76
control panel 287
DC controller 278
formatter 279
high-voltage power supply 281
low-voltage power supply 285
memory controller 286
replacement configuration requirements 352, 473
PCB, 500-sheet paper feeder
removal and replacement 300
locating 456
perforations 24
phase control 145
phone numbers
Commercial Service and Support Organizations 43
pick-up clutch, 500-sheet paper feeder
removal and replacement 301
pick-up drive unit, 500-sheet paper feeder
removal and replacement 299
pick-up roller, 500-sheet paper feeder
removal and replacement 298
pick-up solenoid, 500-sheet paper feeder
removal and replacement 301
pick-up/feed assembly
removal and replacement 225
pickup/delivery sequence 198
pickup/feed
system 182
unit 184
PIN 448
PJL (Printer Job Language)
Technical Reference Manual 77
PJL - see, printer job language 404
postcard, sprinting 28
connections 62
consumption 12
rating information 22
power supply
high-voltage circuit 132
low-voltage circuit 126, 131
power switch
removal and replacement 251
power-on
troubleshooting 310
PowerSave
disabling 65
power consumption 12
PowerSave Time
using 65
pressure
atmospheric 13
pressure roller
removal and replacement 239
primary transfer roller engaging/disengaging
control 171
cleaning block 155
development block 151
electrostatic latent image formation 150
fuser block 154
process 147, 150, 151, 152, 154, 155
transfer block 152
print cartridge
changing 97
fuel gauge 436
installing 55
life 207
removal and replacement 219
safety data sheet 32
print quality
calibrating the printer 383
general 381
printing evaluation pages 436
troubleshooting process 381
troubleshooting transparencies 381
print quality troubleshooting
environmental problems 382
pages 383
paper jams 382
toner buildup 382
print server
HP Jetdirect 69
installing 85
print/stop test 442
printer
assemblies 9
calibration 447
cleaning 91
configuration 47
configurations 3, 5
connecting power 62
duty cycle 15
features 6
installation 47
maintenance 91
memory 78
package contents 48
setting network security 76
software 71
specifications 15
testing operation 64
troubleshooting errors 312
unpacking 50
ENWW Index 567
printer components
removal and replacement
printer covers
removal and replacement 209
printer drivers
additional 72
ordering 45
software 71
printer features 6
Printer Job Language (PJL)
commands 404
Technical Reference Manual 77
printing
four colors 385
grayscale 386
menu map 407
process, print 147
production number 22
protective functions 129, 132
PS1 - see, tray 1 paper sensor 253
PS10 - see, duplex feed delivery paper sensor 258
PS11 - see, rear output bin paper sensor 259
PS12 - see, color misregistration sensor 260
PS13 - see, waste toner level sensor 260
PS14 - see, developing engaging sensor 261
PS15 - see, environment sensor 261
PS16 - see, secondary transfer roller engaging sensor
PS2 - see, tray 2 paper sensor 253
PS4 - see, registration paper sensor 254
PS5 - see, media sensor 255
PS6 - see, fuser front paper sensor 256
PS7 - see, fuser delivery paper sensor 256
PS8 - see, face down delivery paper sensor 257
PS9 - see, reversed paper sensor 257
punched paper 24
rear cover
removal and replacement 215
rear output bin - see, lower rear door 215
rear output bin paper sensor
removal and replacement 259
recovery feature, paper jam 377
recycled paper 29
recycling, print cartridge 32
reference materials, part numbers 471
registration clutch (CL1)
removal and replacement 266
registration paper sensor (PS4)
removal and replacement 254
regulatory information, power rating 22
remanufactured assemblies 44
removal and replacement
black development clutch (CL2) 267
color misregistration sensor (PS12) 260
control panel PCB 287
DC controller PDB 278
delivery motor (M2) 271
developing engaging drive assembly 225
developing engaging drive clutch (CL3) 268
developing engaging sensor (PS14) 261
developing motor M4) 273
door switch 250
drum motor M3) 271
duplex feed delivery paper sensor 258
duplex feed solenoid (SL5) 266
environment sensor (PS15) 261
exhaust fan (FAN1) 277
face-down delivery assembly 221
face-down delivery paper sensor 257
feed guide 240
feed motor (M1 269
formatter PCB 279
front cover, 500-sheet paper feeder 296
front door 209
fuser 220
fuser delivery paper sensor (PS7) 256
fuser front paper sensor (PS6) 256
fuser sleeve 239
high-voltage power supply PCB 281
image drive assembly 223
laser/scanner assembly 222
left cover 210
left cover, 500-sheet paper feeder 297
left front cover 211
low-voltage power supply PCB 285
lower rear door 215
media sensor (PS5) 255
memory controller PCB 286
paper sensor, 500-sheet paper feeder 302
PCB, 500-sheet paper feeder 300
pick-up clutch, 500-sheet paper feeder 301
pick-up roller, 500-sheet paper feeder 298
pick-up solenoid, 500-sheet paper feeder 301
pick-up/feed assembly 225
power switch 251
pressure roller 239
print cartridge 219
printer covers 209
rear cover 215
rear output bin paper sensor (PS11) 259
registration clutch (CL1) 266
registration paper sensor (PS4) 254
reversed paper sensor (PS9) 257
right cover 213
right cover, 500-sheet paper feeder 297
secondary transfer charging roller 239
secondary transfer roller engaging sensor (PS16)
secondary transfer roller engaging solenoid (SL4)
separation pad, 500-sheet paper feeder 299
strategy 204
568 Index ENWW
swing guide, left
swing guide, right 242
test print switch 251
thermistor, main 239
thermistor, sub 239
thermoswitch 239
transfer roller engaging motor (M5) 274
transfer unit 218
tray 1 216
tray 1 paper sensor (PS1) 251, 253
tray 1 pick-up roller 237
tray 1 pick-up solenoid 263
tray 1 separation pad 237
Tray 2 291
tray 2 end plate 291
tray 2 guide, right (HP 3700) 291, 294
tray 2 paper sensor (PS2) 253
tray 2 pick-up roller 238
tray 2 pick-up solenoid 264
tray 2 separation pad 238
upper rear door 214
waste toner level sensor (PS13) 260
repair notices 204
repetitive defects 401
replacement
color misregistration sensor (PS12) configuration
355, 476
DC controller PCB configuration 353, 354, 475
formatter PCB 352, 474
formatter PCB and DC controller at same time
352, 474
formatter PCB configuration 352, 353, 474
fuser configuration 355, 476
laser/scanner assembly configuration 355, 476
media sensor (PS5) configuration 354
media sensor (PS5)configuration 476
screws 205
transfer unit configuration 355, 477
replacement parts, miscellaneous 288
replacing
fuser 103
pickup roller 108
cold 446
Restoring the Service ID 449
reverse control 193
reversed paper sensor (PS9)
removal and replacement 257
RGB 384
right cover
removal and replacement 213
safety information 37
safety statements
laser safety for Finland 38
scanner motor control 144
screws
types of 205
screws, types 472
secondary transfer charging roller
removal and replacement 239
secondary transfer roller engaging sensor (PS16)
removal and replacement 262
secondary transfer roller engaging solenoid (SL4)
removal and replacement 265
secondary transfer roller engaging/disengaging
control 172
detection 173
security
levels 76
network 76
selecting
paper 24
sensors
locations 453
separation pad, 500-sheet paper feeder
removal and replacement 299
serial number
formatter, resetting 448
serial numbers 22
service
agreements 46
approach 42
next-day on-site 46
on-site 46
parts information CD 44
service menu
accessing 448
PIN 448
settings
locking 76
network security 76
settings tab, embedded Web server 423
site requirements
location 11
printer 11
supported 16
skew control mechanism 187
SL1 - see, tray 1 pick-up solenoid 263
SL2 - see, tray 2 pick-up solenoid 264
SL4 - see, secondary transfer roller engaging solenoid
SL5 - see, duplex feed solenoid 266
snail tracks 400
software
embedded Web server 74
for networks 72
HP toolbox 74
Linux 73
ordering 45
ENWW Index 569
printer drivers
UNIX 73
utilities 73
solenoid
duplex feed (SL5) 266
locations 454
secondary transfer roller engaging solenoid (SL4)
special media, printing 26
specifications
electrical 12
environmental 13
media 16
preprinted paper 25
print media 16
printer 15
site requirements 11
space requirements 11
speed control 145
spilled toner
cleaning 92
standby mode
power consumption 12
status messages 312
storing
printer 13
supplies 13
subassemblies 42
supplies
locating 96
managing 94
ordering 43, 467
part numbers 471
replacing 94, 207
status page, printing 429
storing 13
Support Assistant
swatch book color matching 388
swing guide, left
removal and replacement 242, 245
switch
see, door switch 250
see, power switch 251
see, test print switch 251
switch boxes 404
switches, locating 452
systems
image formation 146
laser/scanner 139
technical reference guides 45
temperature
ink requirements 25
maximum change rate 14
site requirements 11, 13
storing supplies 13
test page
printing 445
test print switch
removal and replacement 251
testing the printer 64
tests - see, diagnostics 435
theory of operation
basic 114
engine control system 119
thermistor, main
removal and replacement 239
thermistor, sub
removal and replacement 239
thermoswitch
removal and replacement 239
timing sequence 114
cleaning spilled 92
toner level detection 161
tools, required for service 204
total page count, resetting 448
transfer block, print process 152
transfer kit
resetting count 99, 448
transfer roller engaging motor (M5)
removal and replacement 274
transfer section 164
transfer unit
life 207
removal and replacement 218
replacement configuration 355, 477
replacing 99
resetting count 448
warranty 21
transfer unit (ITB)
cleaning control 167
detection 168
secondary 164
transfer unit life
detection 169
transparencies
HP-supported 16, 24
printing 26
tray 1
loading paper 61
paper jams 360
removal and replacement 216
570 Index ENWW
tray 1 paper
sensor
removal and replacement 253
tray 1 pick-up roller
removal and replacement 237
tray 1 pick-up solenoid
removal and replacement 263
tray 1 separation pad
removal and replacement 237
tray 2
end plate, removal and replacement 291
loading paper 59
removal and replacement 291
tray 2 guide, right (HP 3500)
removal and replacement 294
tray 2 guide, right (HP 3700)
removal and replacement 291
tray 2 paper sensor
removal and replacement 253
tray 2 pick-up roller
removal and replacement 238
tray 2 pick-up solenoid
removal and replacement 264
tray 2 separation pad
removal and replacement 238
tray 3
loading paper 57
tray 3 - see also, 500-sheet paper feeder 296
trays, input
supported media 16
troubleshooting
all black or solid color 393
alphabetical printer messages 312
blank images 393
blank spots 397
calibrating the printer 383
checklist 307
color misregistration 398
color missing 397
control panel diagnostics 407
critical error messages 312
dark color 392
dark images 392
diagnostics 434
dirt on paper 394
duplex jams 369
EIO 403
embedded Web server 422
error messages 312
event log 431
front door area jams 362
fuser area jams 373
general process 308
general, paper path 379
horizontal lines 396
image defects 390
image formation 381
light color 392
light images 391
lower rear door area jams 376
misplaced images 399
multifeeds 360
networks 403
numerical printer messages 327
paper jam error messages 357
paper path 356
poor fusing 397
power-on 310
print quality 381
print quality, environmental problems 382
print quality, overhead transparency 381
print quality, paper jams 382
printer errors 312
process 307
registration/transfer area jams 363
repetitive defects 401
reversed color 400
skewed paper 368
smearing 399
snail tracks 400
status messages 312
toner buildup 382
transfer/feed area jams 362
tray 2 paper jams 361
tray 3 paper jams 361
upper rear door area jams 371
vertical dots 394
vertical lines 395
warning messages 312
wrinkled paper 367
UEL (universal exit language) 405
software 73
UNIX/Linux
networks 70
unpacking the printer 50
upper rear door
removal and replacement 214
usage page, printing 430
configuration 66
PowerSave Time 65
utilities
other 75
software 73
vacuuming 92
ventilation 11
video interface control 135
ENWW Index 571
voltage
power consumption
warranty
extended 46
fuser 21
print cartridge 20
statement 19
transfer unit 21
waste toner full detection 167
waste toner level sensor (PS13)
removal and replacement 260
Websites
printer specifications 13
websites
Material Safety Data Sheet (MSDS) 32
printer specifications 15
product and support information 44
service part information 44
weight
media 16, 29
Windows networks 65 70
wrinkled paper 367
572 Index ENWW


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