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HP LaserJet Printers
HP LaserJet 2100 Parts List
HP LaserJet 2100 (C4170A)
MFG Part Number:
C4170A
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HP LaserJet 2100 printer series service manual
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Manual contents and shortcuts
1 Product Information
Contents
Printer Description and Features
Identification
Specifications
Product Overview
External Assembly Locations
Internal Assembly Locations
Safety Information
Laser Safety
Laser Statement for Finland
LED Safety
Declaration of Conformity
Ozone Emission
Toner Safety
Environmental Product Stewardship Program
Protecting the Environment
FCC Regulations
Service Approach
Bench Repair Warranty
HP Express Exchange
Ordering Parts
Ordering Consumables
Ordering Related Documentation
Technical Assistance
HP ASAP
HP FIRST
HP AUDIO-TIPS
HP Support
Customer Support Worldwide
Worldwide Sales and Service Offices
2 Operating Requirements
Contents
Site Requirements
Operating Environment
Printer Space Requirements
Media Specifications
General Media Specifications
Guidelines for Selecting Paper
Media Input Options
Tray 1 Media Sizes
Envelope Specifications
Tray 2 and Optional Tray 3 Paper Sizes
Label Specifications
Storing Print Media
Transparency Specifications
Fillers
Shipping Print Media
Testing Media Specifications
3 Printer Configuration
Contents
Using the Control Panel
Display LEDs
Go Button
Job Cancel Button
Printing Demo Page
Printing Self-Test/Configuration Page
Continuous Self-Test
Engine Test
Service Mode
Accessing Service Mode
Setting the Cold Reset Default
Setting the Page Count
Resetting the Printer
Cold Reset
NVRAM Initialization
Remote Control Panel
Installing the Remote Control Panel
Network Printing
Installing an HP JetDirect EIO Card
IR Printing
4 Printer Maintenance
Contents
Service Check Points
Cleaning the Printer
General Cleaning
Internal Cleaning
Toner Cartridge Information
Storage
Handling Instructions
Recycling Toner Cartridges
Refilled Toner Cartridges
Saving Toner with EconoMode
Toner Cartridge Life Expectancy
Toner Cartridge Weights
Redistributing the Toner
5 Functional Overview
Contents
Sequence of Operation
Power On Sequence
Timing Diagram
Printer Functionality and Operation
Formatter System
Formatter Subsystems
Formatter Hardware
Print Density Adjustment
Resolution Enhancement technology (REt - 600 dpi only)
EconoMode (600 dpi only)
Memory Management
Printer Job Language (PJL) Overview
Engine Control System
Laser Scanner Control
Microswitch Control
Motor Control
Paper Feed Control
Fusing Assembly Control
Power Supply and Control
Image Formation System
Toner Cartridge
Cleaning Stage
Conditioning Stage
Writing Stage
Developing Stage
Fusing Stage
Transferring Stage
Paper Pick and Feed System
Paper Detection
Paper Jam Detection
Paper Size Detection
6 Troubleshooting
Overview
Troubleshooting Process
Basic Fault Isolation
Preliminary Operating Checks
Troubleshooting Process Flow
Power On
Troubleshooting with Control Panel Messages
Control Panel LED Messages
Paper Handling Problems
Engine Test
Paper Jam Troubleshooting
Print Test Pages
Self-Test / Configuration Page
Media and Paper Handling Problems
Evaluate the Test Pages
Status Log Messages
Verify installed options
Image Formation Troubleshooting
Half Self-Test Functional Check
Drum Rotation Functional Check
Media Troubleshooting
A Paper or Printer Problem?
Isolate a Paper Path
Isolate a Paper Brand
Isolate a Paper Type
Evaluate Environmental Conditions
Evaluate Paper User Practices
Communication Troubleshooting
Communications Check
EIO Troubleshooting
Test Message
JetDirect Configuration
Reference Diagrams
Timing Diagram
Sensors and Signals
Component Locations
7 Removal and Replacement
Contents
Removal and Replacement Strategy
Required Tools
Parts Removal Tree
Toner Cartridge Removal
Tray 2 Removal
Transfer Roller Removal
Tray 2 Pickup Roller Removal
Tray 2 Pickup Roller Replacement
I/O Cover Removal
EIO Card Removal
DIMM Cover Removal
DIMM Removal
Formatter PCB Removal
EIO Shield and Guide Removal
Rear Cover Removal
Fusing Assembly Removal
Fusing Assembly Replacement
Fusing Film Removal
Pressure Roller Removal
Engine Controller Assembly Removal
Top Cover Removal
Upper Output Delivery Roller Removal
Lower Output Delivery Roller Removal
Laser Scanner Assembly Removal
Transport Belts and Rollers Removal
Transport Belts and Rollers Replacement
Ribbon Cable Harness Removal
Printer Drive Assembly Removal
Main Motor Removal
Motor Plate Removal
Printer Drive Assembly Gear Removal
Tray 1 Pickup Roller Assembly Removal
Tray 1 Separation Pad Assembly Removal
Tray 1 Paper Sensor Lever Removal
Tray 1 Paper Sensor Lever Replacement
Tray 1 Solenoid Removal
Tray 2 Pickup Roller Assembly Removal
Tray 2 Solenoid Removal
Intermediate PCB Removal
Registration Assembly Removal
Fusing Assembly Ground Clip Replacement
Tray 3 Assembly Connector Removal
Left Cover Removal
Cooling Fan Removal
Toner Cartridge Guide Removal
Tray 1 Removal
Tray 1 Pickup Roller Removal
Tray 1 Separation Pad Removal
DC Bias Voltage Contacts (Leaf Springs) Removal
DC Bias Voltage Contacts Replacement
Tray 3 Cassette Assembly Removal
Tray 3 Pickup Roller Removal
Tray 3 Paper Feeder Drive Assembly Removal
Tray 3 Solenoid Removal
8 Parts and Diagrams
External Covers and Panels
Top Cover Assembly
Internal Components
Fuser
Printer Drive Assembly
Paper Feeder Drive Assembly
Paper Tray
Paper Tray Pickup Assembly
Paper Tray External Covers
Paper Tray Internal Components
Hardware Table
Alphabetical Parts List
Numerical Parts List
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