LaserJet 2300 printer Service Manual
This manual contains the necessary information to service the HP LaserJet 2300 Series printer Contents: 1 Product description
Printer configurations
Printer features
Identification
Specifications
Physical specifications
Electrical specifications
Power consumption
Acoustic emissions
Operating environment
Product overview
Safety information
Print-cartridge and toner safety
Laser safety
Regulatory information
FCC regulations
Declaration of conformity
Environmental product stewardship program
Protecting the environment
Material safety data sheet
HP Printing Supplies Environmental Program information
Service approach
Bench-repair warranty
HP Express Exchange
Information about ordering
World Wide Web
HP service parts-information compact disc
HP support-assistant compact disc
Reseller sales and service support
2 Installation
Site requirements
Operating environment
Printer space requirements
Interface ports
Media specifications
General media specifications
Media input options
Tray 1 media sizes
Optional 250-sheet tray (tray 2 or tray 3) paper sizes
Optional 500-sheet tray (tray 3) paper sizes
Paper sizes for automatic duplexing
Guidelines for selecting paper
Envelope specifications
Label specifications
Transparency specifications
Storing print media
Shipping print media
Paper fillers
Testing media specifications
Tools and suppliers
3 Operation
Control panel
Control-panel layout
Changing control-panel settings
Printing control-panel menus
Control-panel menus—user
Retrieve job menu
Information menu
Paper-handling menu
Configure device menu
Diagnostics menu
Control-panel menus—service
Entering service mode
4 Printer maintenance
Periodic inspection of parts
Cleaning the printer
Cleaning the fuser
Cleaning the outside of the printer
Managing the print cartridge
HP print cartridges
Non-HP print cartridges
Print-cartridge authentication
Print-cartridge storage
Print-cartridge life expectancy
Checking the supply level
Cartridge-low and cartridge-out conditions
Supplies status page
5 Theory of operation
Introduction
Basic sequence of operation
Power-on sequence
Engine control system
Laser/scanner system
Image-formation system
Image-formation process
Electrostatic latent-image-formation block
Developing block
Transfer block
Fusing block
Drum-cleaning block
Pickup/feed system
Single-sided printing
Duplex printing
Delivery
Automatic duplexer
Formatter system
Formatter hardware
Formatter subsystem
Sheet feeders
Media detection
Media-size detection
Jam detection
Pickup sensors
Delivery sensors
Reversing sensors
Automatic duplexer sensors
Paper-feed sensor
6 Removal and replacement
Removal and replacement strategies
Required tools
Before you begin
Covers
I/O cover
Print server
DIMM cover
Rear cover
Front cover
Control panel
Top-cover assembly
Left-side cover
Power switch
Tray 1 assembly
Internal assemblies
Tray 1 pickup roller
Pickup sensor flag
Tray 1 separation pad
Tray 2 pickup roller
Tray 2 and 250-sheet feeder separation pad
Fan
Fuser
Laser/scanner
Laser/scanner plate
E-label reader
Formatter
Drive assembly
Main motor
Flat, flexible cable
Engine controller PCA
Solenoid
Access plate
Power supply
Top-output-bin delivery assembly
Registration-roller assembly
Transfer roller
Feed belts
Trays
250-sheet feeder and 500-sheet feeder pickup roller
500-sheet feeder separation pad
7 Troubleshooting
Troubleshooting process
Preliminary operating checks
Basic fault isolation
Troubleshooting process flow
Power-on
Troubleshooting with control-panel messages
Using the printer online Help system
Resolving persistent messages
Troubleshooting the control-panel display
Interpreting control-panel messages
Media-handling problems
Printing a configuration page
Printing a Jetdirect configuration page
Printing a usage page
Printing a supplies status page
Printing an engine test
Jam troubleshooting
Jam causes
Typical jam locations
Image-formation troubleshooting
Check the print cartridge
EconoMode
Image defects unique to the HP LaserJet 2300 series printers
Image-defect tables
Media troubleshooting
Determine the problem source: print media or printer
Isolate a paper path
Isolate a media brand
Isolate a media type
Evaluate media use practices
Evaluate environmental conditions
Communication troubleshooting
Communications check
Test message
EIO troubleshooting
Troubleshooting tools
Repetitive defect ruler
Half-self-test functional check
Performing a self test
Performing a paper path test
Drum-rotation functional check
Resetting the printer
Setting the language
Reference diagrams
8 Parts and diagrams
Ordering parts and supplies and getting support
Parts
Support
Consumables, accessories, and supplies
Common fasteners
Illustrations and parts lists
Assembly locations
Covers
Covers and panels
Top cover assembly
Internal components
Internal components (1 of 4)
Internal components (2 of 4)
Internal components (3 of 4)
Internal components (4 of 4)
Power-supply assembly
Pickup assembly
Engine controller
PCA locations
Trays
250-sheet feeder
500-sheet feeder
Alphabetical parts list
Numerical parts list
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