HP LaserJet 2100 Printer Service Manual
Contents
1. 156 Tray2Removal 157 Transfer Roller Removal 158 Tray 2 Pickup Roller Removal 161 Tray 2 Pickup Roller Replacement eee e eee eeee 166 VO Cover Removal 2 rn 170 EIOCardRemoval 171 DIMM Cover Removal 172 DIMM Removal ii IIIA hrs 173 Formatter PCB Removal 174 EIO Shield and Guide Removal 176 Rear CoverRemoval 177 Fusing Assembly Removal 179 Fusing Assembly Replacement 182 Fusing FilmRemoval 183 Pressure Roller Removal 185 Engine Controller Assembly Removal 186 Top Cover Removal ees 189 Upper Output Delivery Roller Removal 192 Lower Output Delivery Roller Removal 194 Laser Scanner Assembly Removal 0c cee eee eae 195 Transport Belts and Rollers Removal 197 Transport Belts and Rollers Replacement 199 Ribbon Cable Harness Removal 202 Printer Drive Ass2. 20 Worldwide Sales and Service Offices 21 2 Operating Requirements Site Reguirements 26 Operating Environment 26 Printer Space Reguirements 27 Media Specifications 28 General Media Specifications 28 Guidelines for Selecting Paper 29 Media Input Options 30 Tray 1 Media Sizes 31 Tray 2 and Optional Tray 3 Paper Sizes 32 Envelope Specifications 32 Label Specifications 35 Transparency Specifications 36 storing Print Media esie iR RR BER ee RE eee debe 36 Shipping Print Media 0 000 ee 37 PIGS aka aha KENA DA un E eet eaves ok EYES pO 37 C4170 90959 Testing Media Specifications 0 0 0 0 ccc ee eee 3 Printer Configuration Using the Control Panel Display LEDS reada cence EIA WA A Job Cancel Button ico PriningDemoPage Printing Self Test Configuration Page
3. Continuous Self Test Engine Test Service Mod AA Accessing Service Mode Setting the Page Count Setting the Cold Reset Default Resetting the Printer liliis Cold Reset NVRAM Initialization llle Remote Control Panel Installing the Remote Control Panel Network Printing ida n anaana bam KATI dp mde cene Installing an HP JetDirect EIO Card IR Printing cii ree AA AA AA AA 4 Printer Maintenance Service Check Points Cleaning the Printer General Cleaning Internal Cleaning Toner Cartridge Information Storage ua Kida ded ead eos ban Me oe ed ae Ded bee ae Rie oe Handling Instructions Refilled Toner Cartridges Recycling Toner Cartridges Toner Cartridge Weights Toner Ca
4. 109 Verify installed options 109 Image Formation Troubleshooting 110 Half Self Test Functional Check 127 Drum Rotation Functional Check cece eee eee 128 Media Troubleshooting 129 A Paper or Printer Problem 129 Isolate a Paper Path ka eee 129 Isolate a Paper Brand ccc eee 130 Isolate a Paper Type 132 Evaluate Paper User Practices 137 Evaluate Environmental ConditionS 137 Communication Troubleshooting 139 Communications Check 139 Test Message 139 EIO Troubleshooting III AA 139 JetDirect Configuration 140 Reference Diagrams 141 Timing Diagram IKI IAA WAA 141 Sensors and Signals 142 Component Locations 144 C4170 90959 7 Removal and Replacement Removal and Replacement Strategy 152 Required TOOS arreirar iadaaa nau ha er 153 Parts Removal Tree eee IREEN 154 Toner Cartridge Removal
5. 245 Tray 3 Cassette Assembly Removal 247 Tray 3 Pickup Roller Removal 248 Tray 3 Paper Feeder Drive Assembly Removal 249 Tray 3 Solenoid Removal 251 C4170 90959 10 8 Parts and Diagrams External CoversandPanels 254 Top Cover Assembly 256 Internal Components 257 FUSER AI ates kai m 263 Printer Drive Assembly 265 Paper Feeder Drive Assembly sees 267 Paper Tray oss ale rer se cere eee eee eR TENGA P Lisa eda 269 Paper Tray Pickup Assembly 271 Paper Tray External Covers 273 Paper Tray Internal Components 275 Hardware Fable eue DERE RR ERRARE ERE Rd 277 Alphabetical Parts List 279 Numerical Parts List 0 0 0 0c eee eens 286 C4170 90959
6. AA IA Rx RR eee heed eee KWa 5 Product Overview 0 0 ass 6 External Assembly Locations 0 00 e cee eens 6 Internal Assembly Locations 8 Safety Information isse dene edhe es ee ree bokeh eee Ee ede Rees a 9 LaserSafety 9 Laser Statement for Finland 9 LED Sately aeiia ek eee AA AA eee be eke ead SEP 10 Declaration of Conformity 11 Toner Safetys III urna e gabe NANA KA Rx ied endet 12 Ozone Emission llle 12 Environmental Product Stewardship Program 13 Protecting the Environment 0 0 0 0 cc cece eee eas 13 FCC Regulations nett EREE EA 15 Service Approach 16 Bench Repair Warranty 16 HPErpressErchange 16 Ordering Parts IAA ace NGA AKA a 16 Ordering Consumables 17 Ordering Related Documentation 0000 c cee ees 17 Technical Assistance 18 HPASAP pareren my wean eben od he eee tad Sends ieee ie gud 18 HP FIRST x dicate ces am ope a ean EEE E a E E Sad cae dss 18 HP AUDIO TIP Sis 2 cas eta oh BIN Ss Peas ee a Sat ee as See aes 19 HP Support III eee nents 19 Customer Support Worldwide
7. Service Manual HP LaserJet 2100 Hewlett Packard Company 11311 Chinden Boulevard Boise Idaho 83714 U S A Copyright Hewlett Packard Company 1999 All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws Publication number C4170 90959 First edition February 1999 Trademark Credits Adobe and PostScript are trademarks of Adobe Systems Incorporated which may be registered in certain jurisdictions Windows is a U S registered trademark of Microsoft Corporation Warranty The information contained in this document is subject to change without notice Hewlett Packard makes no warranty of any kind with regard to this material including but not limited to the implied warranties or merchantability and fitness for a particular purpose Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material WARNING Electrical Shock Hazard To avoid electrical shock use only supplied power cords and connect only to properly grounded wall outlets NOTE CAUTION WARNING C4170 90959 Conventions This manual uses the following conventions The names of major printer parts and assemblies are Capitalized Color is used to emphasize items which are important to the material u
8. aningStage 82 Conditioning Stage AA ce tee 82 Writing Stage 83 Developing Stage 84 Transferring Stage 85 FUSING STAGE IA NANANA ce ed ee a tech re HURTS OR E ER 85 Paper Pick and Feed System ess 87 APELA AA AA 88 Paper Size Detection ees 88 Paper Jam Detection es 88 6 Troubleshooting Troubleshooting Process 90 Preliminary Operating Checks 90 Basic Fault Isolatiori seht es Re RRERR IEEE dae Kee eee 90 Troubleshooting Process FlOW 92 POWEPON xda panda deb ev Ree WA AAA AREE aera ee ea edu ee 93 Troubleshooting with Control Panel Messages 94 Control Panel LED Messages 94 Paper Handling Problems 105 Print Test Pages 105 Engine THOSE Lus em Spp Eu etate e REA haa edere s eats 105 Self Test ConfigurationPage 105 Paper Jam Troubleshooting 105 Media and Paper Handling Problems 108 Evaluate the Test Pages esee 109 StatusLogMessages
9. embly Removal 204 Main Motor Removal 206 MotorPlateRemoval 207 Printer Drive Assembly Gear Removal 208 Tray 1 Pickup Roller Assembly Removal 209 Tray 1 Separation Pad Assembly Removal 212 Tray 1 Paper Sensor Lever Removal 214 Tray 1 Paper Sensor Lever Replacement 216 Tray 1 Solenoid Removal 218 Tray 2 Pickup Roller Assembly Removal 219 Tray 2 Solenoid Removal 221 Intermediate PCB Removal 222 Registration Assembly Removal 0 ce eee eee eens 225 Fusing Assembly Ground Clip Replacement 227 Tray 3 Assembly Connector Removal 228 Left CoverRemoval 229 Cooling FanRemoval 230 Toner Cartridge Guide Removal 232 Tray 1 Removal 0 eee eens 234 Tray 1 Pickup RollerRemoval 237 Tray 1 Separation Pad Removal 240 DC Bias Voltage Contacts Leaf Springs Removal 242 DC Bias Voltage Contacts Replacement
10. image This chapter details the engine control system the formatter system the paper feed system and the sequence of printer operation Chapter 6 Troubleshooting Use the systematic troubleshooting process to solve printing problems This process contains a preliminary troubleshooting flowchart with explanations of each step throughout the chapter Explanations include a table with descriptions and recommended actions for all control panel messages image defect samples troubleshooting problems with media and diagrams showing the locations of components that may be causing problems Chapter 7 Removal and Replacement Step by step procedures show how to replace field replaceable units FRUs in the printer Chapter 8 Parts and Diagrams Exploded view drawings and part number listings are included for all replaceable parts in the printer The composite table of replaceable parts is sorted alphabetically by part name and also sorted numerically by part number Both tables are cross referenced to the diagrams in the chapter 4 C4170 90959 Index The index is an alphabetical cross referenced listing of information found in the main body of the manual C4170 90959 5 Contents EN Conventions 3 1 Product Information Printer Description and Features 2 Identification 4 Specificatlons
11. nder discussion Bold is used for emphasis particularly in situations where italic type would be confusing Italic type is used to indicate related documents or emphasis Notes contain important information set off from the text Caution messages alert you to the possibility of damage to equipment or loss of data Warning messages alert you to the possibility of personal injury Chapter Descriptions Chapter 1 Product Information This chapter describes features of the printer including locations of external and internal assemblies and gives safety and regulatory information Use this chapter to form a basic service approach and to get technical assistance Chapter 2 Operating Requirements Chapter 2 details site requirements including space and environmental specifics The chapter also defines specifications for paper and other media with this printer Chapter 3 Printer Configuration Learn to use the control panel perform an engine test and reset the printer Chapter 3 contains options for configuring the printer through service mode and also details about installing and using the Remote Control Panel Network and IR printing is also explained Chapter 4 Printer Maintenance This chapter discusses service check points procedures for cleaning the printer and how to use toner cartridges effectively Chapter 5 Functional Overview The functional overview discusses each of the printer s stages to form and develop an
12. rtridge Life Expectancy Saving Toner with EconoMode Redistributing the Toner 5 Functional Overview Sequence of Operation seh Power On Sequence Timing DIAgram ae xS eae aec bh nc on ret t ee E Ru drag Printer Functionality and Operation Formatter SyStel css zr qoc ub ex brte pirrar R X OUERU ERR dee ea FormatterHardware Formatter Subsystems 73 Resolution Enhancement technology REt 600 dpi only Print Density Adjustment seen EconoMode 600 dpi only cece ee Memory Management Printer Job Language PJL Overview Engine Control System Laser Scanner Control Paper Feed Gontrol cc naw Na eire A GAT NGA EMERGERE ERE NG 78 Microswitch Control 78 Motor Control ii IIIA AI AA 78 Fusing Assembly Control 79 Power Supply and Control 79 Image Formation System 80 Toner Cartridge eese kaa eae Ae EE Dad ekRG be eee E Rip WA 81 Cle
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