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LaserJet 1200 printer Service Manual

This manual contains the necessary information to service the HP LaserJet 1200 Series printer.

Contents:

1 Product information
Chapter contents
Introduction
Hardware description
Firmware description
Product specifications
Model and serial numbers
Overview of printer
Front and side view
Back and side view
Overview of optional copier/scanner
Top view
Warranty statement
Extended warranty
Toner cartridge information
Refilled toner cartridges
Recycling toner cartridges

2 Installation and operation
Chapter contents
Operating environment
Identifying printer components
Printer control panel
Control panel light patterns
Copier/scanner control panel
Selecting media
Selecting media to print .
Selecting media to copy or scan
Loading media
Loading media to print
Loading media to copy or scan .
Printer output paths

3 Maintenance
Chapter contents
Life expectancies of consumables
User-replaceable parts
Replacing the printer pickup roller
Replacing the printer separation pad
Replacing the copier/scanner separation pad
Cleaning the equipment
Cleaning the print path
Cleaning the toner cartridge area
Cleaning the printer pickup roller
Cleaning the printer separation pad
Cleaning and recalibrating the copier/scanner
Cleaning the scanner path

4 Operational overview
Chapter contents
Basic functions
Formatter system
Control panel
Draft mode
MEt
Enhanced I/O
PJL overview
Printer functions
Engine control unit/power system
Image formation system
Printer paper-feed system
Jam detection
Optional copier/scanner
Optical system
Document pickup and feed systems
Basic sequence of operation (formatter-to-printer)

5 Removal and replacement
Chapter contents
Removal and replacement strategy
Required tools
Before performing service
Toner cartridge
Parts removal order
Covers
Left side cov
Optional copier/scanner
Back cover
Right side cover
Top cover
Control panel assembly
Front cover assembly
Internal assemblies
Transfer roller
Formatter
Laser/scanner assembly
Fuser assembly
Output rollers
Motor
Solenoid
Fan assembly
Right plate assembly
Pickup assembly
Pickup roller shaft
Paper lift plate assembly
Left plate assembly
Bottom assemblies
ECU pan
Paper-feed assembly

6 Troubleshooting
Chapter contents
Basic troubleshooting
Errors
Control panel light messages
Fatal error secondary messages
Checking the toner cartridge
Solving image-quality problems
Solving paper-feed problems
Solving print paper-feed problems
Solving copying and scanning paper-feed problems
Functional checks
Engine test
Half self-test functional check
Drum rotation functional check
Heating element check
High-voltage power supply check
Paper path check
Service mode functions
NVRAM initialization/cold reset
PJL software commands
Troubleshooting tools
Internal reports
Repetitive image defect ruler
Main wiring
Locations of connectors
Locations of LEDs, jumpers, and switches

7 Parts and diagrams
Chapter contents
Ordering parts and supplies
Parts
Related documentation and software
Consumables
Accessories
How to use the parts lists and diagrams
Common hardware
Assembly locations
Printer trays & optional copier/scanner
Covers
Internal assemblies
Internal components (1 of 2)
Internal components (2 of 2)
Electrical components
Paper pickup assembly (1 of 2)
Paper pickup assembly (2 of 2)
Fuser assembly
Alphabetical parts list
Numerical parts list

FORMAT: High resolution PDF document!
ZIP archive: 6 857 kB

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