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Make/Model Information:

  • Brand:   Hewlett-packard
  • Models included:
    • HP LaserJet 1010
    • HP LaserJet 1012
    • HP LaserJet 1015
    • HP LaserJet 1020

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   318
  • File size:  ∼ 8.91  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMHP-1045

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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HP LaserJet 1010, 1012, 1015 and 1020
Service Manual
Table of contents
1 Product Information
Product configurations
HP LaserJet 1010 printer
HP LaserJet 1012 printer
HP LaserJet 1015 printer
HP LaserJet 1020 printer
Overview of product
HP LaserJet 1010 series printers
HP LaserJet 1020 printer
Model and serial numbers
Hardware description
Firmware description
Product specifications
Physical specifications
Printer performance
Environmental specifications
Electrical specifications
Acoustic emissions
Extended warranty
Print-cartridge information
Refilled print cartridges
Recycling print cartridges
Regulatory information
FCC compliance
Canadian DOC regulations
Korean EMI statement
Laser statement for Finland
............................................................................................................................15
2 Installation and operation
Operating environment
Identifying the control-panel components
Media specifications
Supported media sizes
Guidelines for using media
Paper and transparencies
Common media problems table
Envelopes
ENWW iii
Envelopes with double-side seams
Envelopes with adhesive strips or flaps
Card stock and heavy media
Card-stock construction
Card-stock guidelines
Loading media
Main input tray
Priority feed slot
Specific types of media
Setting media types
Set the media type
3 Maintenance
Life expectancies of parts that wear
Cleaning the product
Cleaning the print path
Cleaning the print-cartridge area
Cleaning the pickup roller
User-replaceable parts
Replacing the pickup roller
Replacing the separation pad
Replacing the main input tray (paper-pickup tray assembly)
Replacing the output-bin extension (delivery-tray assembly)
Clearing jams
Typical media jam locations
Removing a jammed page
4 Operational overview
Basic functions
Formatter system
Central processing unit
USB interface
Parallel interface (HP LaserJet 1015 printer only)
Control panel
Draft mode (EconoMode)
HP Memory Enhancement technology (MEt)
Enhanced I/O
PJL overview
Printer functions
Engine control system (engine control unit and power assembly)
Printer-engine-control system
Printer laser/scanner unit
Power system on the engine power assembly
Image-formation system
The seven image-formation processes
Print cartridge
Printer paper-feed system
Jam detection
iv ENWW
Conditions of jam detection
Solenoid, sensors, switches, and motor
Basic sequence of operation (formatter-to-printer)
5 Removal and replacement
Removal and replacement strategy
Required tools
Before performing service
Print cartridge
Differences between the HP LJ 1010 series printer models
Parts removal order
User-replaceable parts
Replacing the pickup roller
Replacing the separation pad
Replacing the main input tray (paper-pickup tray assembly)
Replacing the output-bin extension (delivery-tray assembly)
Right-side cover
Left-side cover
Rear panel and top-cover assembly
Front cover
Internal assemblies
Transfer-roller assembly
Engine-power assembly
Fuser (fixing) assembly
Paper-pickup assembly
Engine control unit (ECU) assembly
Laser/scanner assembly
6 Troubleshooting
Basic troubleshooting
Troubleshooting checklist
Control-panel power-on functions (HP LaserJet 1010 series printers)
Control-panel pages (HP LaserJet 1010 series printers only)
Control-panel lights (HP LaserJet 1010 series printers)
Control-panel light patterns (HP LJ 1010 series printers)
Fatal errors (HP LJ 1010 series printers)
Control-panel lights (HP LaserJet 1020 printer)
Status-light patterns
Clearing jams
Typical media jam locations
Removing a jammed page
Print-quality troubleshooting
Print-cartridge problems
Checking the print cartridge
To redistribute toner in the print cartridge
Solving print-quality problems
Solving paper-feed problems
Functional checks
Half self-test functional check
To perform a half self-test check
To perform other checks
Drum-rotation functional check
High-voltage-contacts check
To check the print-cartridge contacts
To check the printer high-voltage contacts
Troubleshooting tools
Repetitive-image-defect ruler
Circuit diagram
Solenoid, sensors, switches, and motor
7 Parts and diagrams
Ordering parts and supplies
Related documentation and software
Parts that wear
Accessories and consumables
Accessories
Common hardware
How to use the parts lists and diagrams
Printer exchange/parts
Major components
Alphabetical parts list
Numerical parts list
vi ENWW
2 The clamps on the paper guide fit over the bearings on the right and left ends of the transfer roller.
Do not touch the black-sponge portion of the transfer roller. Grasp the right end of the paper guide
and pull the clamp off the right bearing. Slide the pa per guide slightly to the right, and the left clamp
will slide off the left bearing.
Figure 5-22 Remove the transfer roller (2 of 3)
3 Use needle-nose pliers or your fingers to squeeze the two small tabs on the transfer roller.
Figure 5-23 Remove the transfer roller (3 of 3)
4 Angle the transfer roller up while holding on to the gear on the right side. Slide the roller toward right
side of the printer, and lift both the transfer roller and the transfer-roller guide out of the printer.
ENWW Internal assemblies 85
Reinstallation tip A small grounding spring is under the right transfer-roller bearing. When
reinstalling the transfer roller, position this spring correctly under the right bearing. Reverse
the removal process to install the new transfer roller. Then reinstall the paper guide by gently
pressing the two ends of the guide onto the tr ansfer-roller bearings until the clamps snap into
place. Rotate the paper guide down until the tabs on both ends engage.
86 Chapter 5 Removal and replacement ENWW


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