Hp 1100AHP Bedienungsanleitung

Copyright© 1998Hewlett-Packard Co.Printed in USAManual PartNo.C4224-90962*C4224-90962**C4224-90962*C4224-90962HP LaserJet 1100A Service ManualPrintedo

8 C4224-90962

98 Removal and ReplacementC4224-90962Solenoid removalFigure 4-35Removing the solenoid5 Remove the single screw securing the solenoid to the printer

C4224-90962Internal assemblies 99Pressure roller removalFigure 4-36 Removing the pressure roller (continued on next page)Prior to this step: Remove th

100 Removal and ReplacementC4224-90962Pressure roller removal (continued)Figure 4-37Removing the pressure rollerCAUTION: This Pressure Roller is co

C4224-90962Internal assemblies 101Transfer roller removalNOTE:The Transfer Roller can be removed without disassembling any other printer parts.CAUTION

102 Removal and ReplacementC4224-90962Pickup roller removalFigure 4-38Changing the pickup roller1 Rotate the bottom of the pickup roller towards th

C4224-90962Internal assemblies 103Paper pick-up assembly removalFigure 4-39Accessing the paper pick-up assembly areaPrior to this step: Remove the mem

104 Removal and ReplacementC4224-90962Paper pick-up assembly removal (continued)Figure 4-40Removing the paper pick-up assembly coverNOTE: The Picku

C4224-90962Internal assemblies 105Kick plate removalFigure 4-41Removing the kick platePrior to this step: Remove the memory card (if applicable), scan

106 Removal and ReplacementC4224-90962Separation pad removalFigure 4-42Removing the snap holding the separation pad Prior to this step: Remove the

C4224-90962Internal assemblies 107Separation pad removal (continued)Figure 4-43Removing the separation pad2Slide the Separation Pad out through the br

C4224-90962Chapter contents 91Printer SpecificationsChapter contentsPrinter description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

108 Removal and ReplacementC4224-90962Bottom assembliesFormatter pan removalFigure 4-44The formatter pan (continued on next page)1 Remove the three

C4224-90962Bottom assemblies 109Formatter pan removal (continued)Figure 4-45Removing the formatter pan (continued)NOTE:Be careful not to damage or bre

110 Removal and ReplacementC4224-90962Document scanner cable removalFigure 4-46Removing the ECU pan cable coverPrior to this step: Remove the scann

C4224-90962Bottom assemblies 111Document scanner cable removal (continued)Figure 4-47Removing ECU pan flat flexible cable3Remove the screw from the ca

112 Removal and ReplacementC4224-90962Hinge mechanism removalFigure 4-48Removing the hinge mechanism1 Slide the hinge mechanism and attached cables

C4224-90962Bottom assemblies 113ECU pan removalFigure 4-49Removing the ECU panPrior to this step: Remove the scanner, pods, doors, back cover, front c

114 Removal and ReplacementC4224-90962ECU pan removal (continued)Figure 4-50Removing the ECU pan (continued on next page)4 Slowly lift the ECU plat

C4224-90962Bottom assemblies 115Paper feed assembly removalFigure 4-51Removing the paper feed assembly (continued on next page)Prior to this step: Rem

116 Removal and ReplacementC4224-90962Paper feed assembly removal (continued)Figure 4-52Removing the paper feed assembly (continued)5 Release the s

C4224-90962Bottom assemblies 117Paper feed assembly removal (continued)Figure 4-53Removing the paper feed assembly (continued)6Slide the Paper Feed Ro

10 Chapter Printer SpecificationsC4224-90962Printer descriptionThe HP LaserJet 1100 Printer is the next generation low-cost HP LaserJet printer. It

118 Removal and ReplacementC4224-90962

C4224-90962Chapter contents 1195Troubleshooting/MaintenanceChapter contentsBasic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .

120 Troubleshooting/MaintenanceC4224-90962Basic troubleshootingTable 5-1. Basic troubleshootingVerification steps Possible problems SolutionsIs Pow

C4224-90962Basic troubleshooting 121Print an engine test, which is discussed later in this chapter. The engine test should print without paper feed pr

122 Troubleshooting/MaintenanceC4224-90962Fatal errors/accessory errorsThe printer may encounter a severe error, one that inhibits further operatio

C4224-90962Fatal errors/accessory errors 123Beam Error. There are a number of causes for this error, and some of the causes may disappear. 1. Power cy

124 Troubleshooting/MaintenanceC4224-90962Incompatible DIMM Error (Accessory Error).Remove DIMM and power cycle. If error persists, replace formatt

C4224-90962Image formation troubleshooting 125Image formation troubleshootingChecking the toner cartridgeImage formation defects are many times the re

126 Troubleshooting/MaintenanceC4224-90962Solving image quality problems Use the following table to help solve problems with printed pages. See “So

C4224-90962Image formation troubleshooting 127Print is faded or you notice a block of vertically aligned white streaks,or print is not faded, but vert

C4224-90962Hardware description 11Hardware descriptionThe HP LaserJet 1100 Printer engine prints eight pages per minute. The HP LaserJet 1100 Printer

128 Troubleshooting/MaintenanceC4224-90962Vertically-aligned black streaks or smears appear on successive pages.The HP LaserJet 1100 Printer needs

C4224-90962Image formation troubleshooting 129Horizontally aligned black streaks or smears appear.The toner cartridge was improperly installed.Make su

130 Troubleshooting/MaintenanceC4224-90962Character voids appear (white areas within the parts of characters that should be solid black). The paper

C4224-90962Image formation troubleshooting 131Characters are only partially printed (also referred to as dropouts). A single sheet of paper is defecti

132 Troubleshooting/MaintenanceC4224-90962Blank pages are always printing. The toner cartridge was improperly installed. Make sure you removed the

C4224-90962Image formation troubleshooting 133Scanned text is not clear.The contrast, resolution, or brightness needs to be adjusted before scanning.A

134 Troubleshooting/MaintenanceC4224-90962Solving paper feed problems Use the following table to solve problems related to moving paper or document

C4224-90962Solving paper feed problems 135The HP LaserJet 1100 Printer is feeding multiple sheets or jams frequently from the paper input bin or singl

136 Troubleshooting/MaintenanceC4224-90962The HP LaserJet 1100 Printer is feeding multiple sheets or jams frequently from the document feeder tray.

C4224-90962Cleaning procedures 137Cleaning proceduresCleaning the toner cartridge areaWith a dry, lint-free cloth, wipe any residue from the paper pat

12 Chapter Printer SpecificationsC4224-90962Firmware descriptionThe firmware in the HP LaserJet 1100 Printer includes: • Enhanced PCL 5 with Status

138 Troubleshooting/MaintenanceC4224-90962WARNING! Alcohol is flammable. Keep the alcohol and cloth away from open flame. Allow alcohol to dry comp

C4224-90962Cleaning procedures 1393Dampen a clean, cotton cloth with rubbing alcohol (pH7 or neutral pH) or glass cleaner. Gently rub back and forth o

140 Troubleshooting/MaintenanceC4224-90962Functional checksEngine testThe engine test is used to verify that the print engine is functioning correc

C4224-90962Functional checks 141Self test pageThe Self Test Page (Figure 5-2) printout provides both a means of testing the printer and a way of displ

142 Troubleshooting/MaintenanceC4224-90962If the memory is too low, a reduced Self Test Page is printed which contains only the printer configurati

C4224-90962Functional checks 143Drum rotation functional checkThe photosensitive drum, located in the toner cartridge, must rotate for the print proce

144 Troubleshooting/MaintenanceC4224-90962Figure 5-3 Thermistor Connector3 Remove the heating element connector (Figure 5-4) from the ECU. To measu

C4224-90962Functional checks 1455Remove the thermistor connector (Figure 5-3) and measure the resistance between pins one and two.NOTE:Normal resistan

146 Troubleshooting/MaintenanceC4224-90962High-voltage power supply checkThe high-voltage power supply PCA provides the necessary voltages for the

C4224-90962Functional checks 147Figure 5-6 High-voltage connector assemblyPaper curlPaper curl is inherent to the laser printing processes, and occurs

C4224-90962Specifications 13Specifications Table 1-1. Printer specificationsEnvironmental specificationsOperating environmentPrinter plugged into an A

148 Troubleshooting/MaintenanceC4224-90962To override SW301Figure 5-7 Overriding SW301 1 Remove the printer covers2 Install the toner cartridge.3 M

C4224-90962ServiceMode functions (PJL Software Commands) 149ServiceMode functions (PJL Software Commands)To set the following NVRAM variables:Factory

150 Troubleshooting/MaintenanceC4224-90962Figure 5-8 NVRAM PJL Factory VariablesTo use these commands you need some method of sending PJL commands

C4224-90962ServiceMode functions (PJL Software Commands) 151NOTE:Remember to set SERVICEMODE before trying to set the variable or you will not get the

152 Troubleshooting/MaintenanceC4224-90962Troubleshooting toolsPrinter paper pathFigure 5-9 Paper path and components

C4224-90962Troubleshooting tools 153Document paper pathFigure 5-10 Document path and components

154 Troubleshooting/MaintenanceC4224-90962Repetitive image defect ruler Figure 5-11Repetitive image defect rulerFirst occurrence of print defectDev

C4224-90962Troubleshooting tools 155Main wiringFigure 5-12Main wiring543 2 1FDBACE678II. GENERAL CIRCUIT DIAGRAM1 2 3 4 115 6 7 8 9 10

156 Troubleshooting/MaintenanceC4224-90962

C4224-90962Chapter contents 1576Parts and diagramsChapter contentsHow to use the parts lists and diagrams. . . . . . . . . . . . . . . . . . . . . . .

14 Chapter Printer SpecificationsC4224-90962Physical specificationsDimensions (1100) • Width: 367 mm (14.5 inches)• Depth: 306 mm (12.8 inches)• Hei

158 Parts and diagramsC4224-90962How to use the parts lists and diagramsThe figures in this chapter illustrate the major subassemblies in the print

C4224-90962Parts and supplies 159Parts and suppliesOrdering partsReplacement parts may be ordered from HP’s Support Materials Organization (SMO) or Su

160 Parts and diagramsC4224-90962Consumables and accessoriesThe following items are available through a local authorized HP dealer. To find a deale

C4224-90962Consumables and accessories 161Ordering consumablesThe consumables and accessories listed in the above table may be ordered from Hewlett-Pa

162 Parts and diagramsC4224-90962Common hardwareTable 6-1. Common fastenersExample DescriptionScrew, machine, truss headScrew, starScrew, self-tapp

C4224-90962External covers and panels 163External covers and panelsFigure 6-1 External covers, panels, etc. Table 6-2. External covers, panels, ets.KE

164 Parts and diagramsC4224-90962Document scanner partsFigure 6-2 Document ScannerTable 6-3. Document ScannerKEY # PART # QTY DESCRIPTION1 R37-5000

C4224-90962Internal components 165Internal components Figure 6-3 Internal components, 1 of 4Table 6-4. Internal components, 1 of 4KEY # PART # QTY DES

166 Parts and diagramsC4224-90962Figure 6-4 Internal components, 2 of 4

C4224-90962Internal components 167Table 6-5. Internal components, 2 of 4KEY # PART # QTY DESCRIPTION1 RG5-4584-000CN 2 ROLLER HOLDER ASS'Y 3 R

C4224-90962Specifications 15Scan Speed Up to 8 pages per minute (Letter size paper)Input CapacityUp to 20 pages of regular weight 20 lb (75 g/m2) pape

168 Parts and diagramsC4224-90962Figure 6-5 Internal components, 3 of 4

C4224-90962Internal components 169Table 6-6. Internal components, 3 of 4KEY # PART # QTY DESCRIPTION1 RB2-3941-000CN 1 GUIDE, ARM, LEFT 2 RB2-3942-00

170 Parts and diagramsC4224-90962Figure 6-6 Internal components, 4 of 4

C4224-90962Internal components 171Table 6-7. Internal components, 4 of 4KEY # PART # QTY DESCRIPTION1 RY7-5050-000CN 1 SUBPAD KIT2 RG5-4592-000CN 1 FI

172 Parts and diagramsC4224-90962Feeder assemblyFigure 6-7 Feeder assembly

C4224-90962Feeder assembly 173Table 6-8. Feeder assemblyKEY # PART # QTY DESCRIPTION1 RB2-3912-000CN 1 FEED ROLLER 2 RG5-4581-000CN 1 FEEDER ASS'

174 Parts and diagramsC4224-90962Engine controller assemblyFigure 6-8 Engine controller assembly

C4224-90962Engine controller assembly 175 Table 6-9. Engine controller assemblyKEY # PART # QTY DESCRIPTION1 RB1-7303-000CN 3 SPACER, PCB 2 RB2-3984

176 Parts and diagramsC4224-90962Formatter panFigure 6-9 Formatter panTable 6-10. Formatter panKEY # PART # Q'TY DESCRIPTION1 RB2-3992-000CN

C4224-90962Parts list sorted by part number 177Parts list sorted by part numberTable 6-11. Parts list sorted by part numberPart Number Qty Part Name T

16 Chapter Printer SpecificationsC4224-90962FCC complianceThis equipment has been tested and found to comply with the limits for a Class B digital d

178 Parts and diagramsC4224-90962RB2-3931-000CN 2 ROLLER 6-4 9 RB2-4001-000CN 1 MOUNT, DISPLAY PCB 6-4 3 RB2-3932-000CN 1 PLATE, SCANNER 6-4 10

C4224-90962Parts list sorted by part number 179RS5-2502-000CN 1 SPRING, COMPRESSION 6-5 11RS6-2122-000CN 1 SPRING, COMPRESSION 6-5 16RY7-5051-000CN 1

180 Parts and diagramsC4224-90962Parts list sorted by part nameTable 6-12. Parts list sorted by part namePart Name Qty Part # Table # Key #ARM HOLD

C4224-90962Parts list sorted by part name 181GUIDE, FIXING 1 RB2-3958-000CN 6-6 16 GUIDE, ARM, RIGHT 1 RB2-3942-000CN 6-5 2GUIDE, CARTRIDGE, LEFT

182 Parts and diagramsC4224-90962SCREW, TAPPING, PAN HEAD, M4X10 8 XB4-7401-007CN 6-3 501 SCREW, M3X8 4 XB6-7300-807 CN 6-4 503 SCREW, M4X8 2 X

C4224-90962 183List of FiguresControl panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11Printer light pattern

184 C4224-90962Removing the kick plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105Removing the snap holding the separation pad

C4224-90962 185List of TablesPrinter specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13Control panel light messa

186 C4224-90962

C4224-90962 187IndexAAC power distribution 46accessories and consumablesordering 161adjusting registration 140assembliesfusing 53high-voltage con

C4224-90962Environmental Product Stewardship Program 17Environmental Product Stewardship ProgramProtecting the EnvironmentHewlett-Packard Company is c

188 C4224-90962high-voltage power supply 146circuitdriver 56circuitryhigh-voltage 47power 46cleaningphotosensitive drum process 51printer 137prin

C4224-90962 189toner cartridge expiration 125DC power distribution 46delivery rollermotion 147developing process 52diagramsassembly 158timing 59dis

190 C4224-90962electrophotographic process 142engine control function 43engine test 140engine test switch (SW201) 55error messagesprinterlight

C4224-90962 191Hhalf-self test 142hardwarecommon 162high-voltageconnector assembly 147power distribution 46power supply check 146Iimage fixing pro

192 C4224-90962MmemoryDRAM (dynamic random-access memory) 48RAM (random-access memory) 48misaligned print 132missing bottom of page or graphic

C4224-90962 193skewed 132, 134papercurl 147feed problems 134motion 53not being picked up 147not moving through path 147not printing to edge 126pap

194 C4224-90962AC distribution 46DC distribution 46high-voltage distribution 46shutoff switch 45supply check 146system description 44, 46pri

C4224-90962 195exit 53feed assembly drive 53motion 147rotation, drum 143Sscanprocess 142scanned imageslines on page 128too light or dark 126scanne

196 C4224-90962service and supportordering parts 159Support Materials Europe (SME) 159Support Materials Organization (SMO) 159shutoff switch 45

C4224-90962 197testsengine 140half-self 142text, scanned, unclear 133timing diagram 59tonerdraft mode for conserving 49scattered on page 130toner c

18 Chapter Printer SpecificationsC4224-90962The design of this HP LaserJet printer facilitates the recycling of:PlasticsPlastic housing parts have m

198 C4224-90962tools 147Vvideo controller 56void areas on page 130voltagedistribution 46high 46over 46power supply check 146protection 46Wwarran

Copyright© 1998Hewlett-Packard Co.Printed in USAManual PartNo.C4224-90962*C4224-90962**C4224-90962*C4224-90962HP LaserJet 1100A Service ManualPrintedo

C4224-90962Material safety data sheet 19Material safety data sheetThe Toner Cartridge/Drum MSDS can be obtained by contacting the HP LaserJet Supplies

20 Chapter Printer SpecificationsC4224-90962Additional product stewardshipEnvironmental conformityThe design of this HP LaserJet printer facilitates

C4224-90962Regulatory statements 21Regulatory statementsDeclaration of Conformityaccording to ISO/IEC Guide 22 and EN45014Manufacturer's Name:Hew

22 Chapter Printer SpecificationsC4224-90962Laser safety statementThe Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Ad

C4224-90962Regulatory statements 23Canadian DOC regulationsComplies with Canadian EMC Class B requirements. «Conforme á la classe B des normes canadie

24 Chapter Printer SpecificationsC4224-90962Laser statement for FinlandLASERTURVALLISUUSLUOKAN 1 LASERLAITEKLASS 1 LASER APPARATHP LaserJet 1100 Pri

C4224-90962Chapter contents 252Product OperationChapter contentsHP LaserJet 1100 Printer control panel . . . . . . . . . . . . . . . . . . . . . . . .

26 Chapter Product OperationC4224-90962HP LaserJet 1100 Printer control panelHardware overviewThe HP LaserJet 1100 Printer’s Control Panel consists

C4224-90962HP LaserJet 1100 Printer control panel 27 Table 2-1. Control panel light messagesLight status Condition of the printer Action PowerSave mod

HP LaserJet 1100AService Manual ______________

28 Chapter Product OperationC4224-90962 Memory outThe printer ran out of memory in the middle of a print job.The page being printed may have been to

C4224-90962Printer key functionality 29Printer key functionalityThe following table contains each printer mode and the result from a short press (when

30 Chapter Product OperationC4224-90962while data is in the printer, a form feed pending will occur. Once the data the printer has received is compl

C4224-90962Scanner control panel 31Scanner control panel Figure 2-2 Scanner control panelThe scanner Control Panel consists of two keys; a scan key an

32 Chapter Product OperationC4224-90962 Table 2-3. Scanner key functionality based on printer statusScanner modeScan key pressScan and copy key pres

C4224-90962Scanner control panel 33Printer Paper Jam Starts scan if scan manager can get the required resourcesNo action Starts scanning copy, but wil

34 Chapter Product OperationC4224-90962Normal scanner operationAt power up or after a Control Panel reset, the scan motor rotates to verify it is re

C4224-90962Printer paper handling 35Printer paper handlingThere are two vertical input paper trays: the Paper Input Bin and the Single Sheet Input Slo

36 Chapter Product OperationC4224-90962Legal timing Legal timing refers to the time between the first page picked and the second page picked. Legal

C4224-90962Printer paper handling 37Copy: Letter, Legal, A4, Executive Envelopes - Commercial 10, Monarch, C5, DL, B5, no customPaper Input Sensor(s)N

2 C4224-90962© Copyright Hewlett-Packard Company 1998All Rights Reserved. Reproduction, adaptation, or translation without prior written permission

38 Chapter Product OperationC4224-90962Toner cartridge informationThe Toner Cartridge is designed to simplify replacement of the major “consumable”

C4224-90962Warranty statement 39Warranty statementThis warranty gives specific legal rights. There may also be other rights which vary from area to ar

40 Chapter Product OperationC4224-90962

C4224-90962Chapter contents 413Functional OverviewChapter contentsBasic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42 Functional OverviewC4224-90962Basic functionsThis chapter presents a functional overview of the HP LaserJet 1100 Printer’s processes. The follow

C4224-90962Printer functions 43Printer functionsPrinter functions are divided into six groups:1ECU/power system2formatter system3image formation syste

44 Functional OverviewC4224-90962Engine Control Unit (ECU)/power systemThe Engine Control Unit (ECU) coordinates all print engine activities, drive

C4224-90962Engine Control Unit (ECU)/power system 45Printer engine control systemPrinter laser/scanner driveBased on information received from the for

46 Functional OverviewC4224-90962Power system on ECUThe AC, DC, and high-voltage power supply circuits are all contained within the ECU.AC power di

C4224-90962Engine Control Unit (ECU)/power system 47This circuit also controls the image density by changing the primary AC voltage and the developing

C4224-90962 3ConventionsThis manual uses the following conventions:The names of major printer parts and assemblies are Capitalized.Color is used to em

48 Functional OverviewC4224-90962Formatter systemThe formatter is responsible for the following:• controlling the optional document scanner• format

C4224-90962Formatter system 49Control panel• Three front panel status lights (one contained in the Go key)•Go keyDraft modeDepending on which printer

50 Functional OverviewC4224-90962PJL OverviewPrinter Job Language (PJL) is an integral part of configuration, in addition to the standard Printer C

C4224-90962Image formation system 51Image formation systemLaser printing requires the interaction of several different technologies including electron

52 Functional OverviewC4224-90962Step 2 Conditioning stage. This process consists of applying a uniform negative charge to the surface of the drum

C4224-90962Printer paper feed system 53Printer paper feed systemThe paper input bin and the single-sheet input slot merge into one, main input area. P

54 Functional OverviewC4224-909623 Paper sensor (PS001)4 Pickup roller5 Paper sensor (PS002)6 Transfer roller7 Toner cartridge8 Pressure roller9 Fu

C4224-90962Printer paper feed system 55Solenoid, photosensors, and switchesThe following figure shows the locations of the solenoid, photosensors, and

56 Functional OverviewC4224-90962Document scanner system (optional)The document scanner system consists of the optical system and document pickup a

C4224-90962Document scanner system (optional) 57Figure 3-7 Simplified scanner document path 1Input path2Document pickup roller3Document sensor4Contact

4 C4224-90962Chapter Descriptions1 Printer SpecificationsContains printer features and product overview, printer specifications, and required safet

58 Functional OverviewC4224-90962Basic sequence of operation (formatter to printer)The formatter and the ECU share information during printer opera

C4224-90962Basic sequence of operation (formatter to printer) 59Figure 3-8 General timing diagram

60 Functional OverviewC4224-90962

C4224-90962Chapter contents 614Removal and ReplacementChapter contentsRemoval and replacement strategy . . . . . . . . . . . . . . . . . . . . . . .

62 Removal and ReplacementC4224-90962Removal and replacement strategyThis chapter documents removal and replacement of field replaceable units (FRU

C4224-90962Required tools 63Required tools• #1 Phillips screwdriver with magnetic tip• #2 Phillips screwdriver with magnetic tip• Small flat-blade scr

64 Removal and ReplacementC4224-90962External assemblies and coversPaper guides removalFigure 4-1 Removing the paper guides1 Remove the clear plast

C4224-90962External assemblies and covers 65Document scanner removalFigure 4-2 Removing the optional scanner unit1Rotate the document scanner latch do

66 Removal and ReplacementC4224-90962Document scanner opening.Figure 4-3 Opening the scanner unitNOTE: The only serviceable part inside the scanner

C4224-90962External assemblies and covers 67Contact image sensor removalFigure 4-4 Removing the Contact Image Sensor (continued on next page)1Remove t

C4224-90962 5Contents1 Printer SpecificationsPrinter description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

68 Removal and ReplacementC4224-90962Contact image sensor removal (continued)Figure 4-5 Removing the Contact Image Sensor (continued)2 Gently pry o

C4224-90962External assemblies and covers 69Contact image sensor removal (continued)Figure 4-6 Disconnecting the CIS wire connector 4Gently pull the c

70 Removal and ReplacementC4224-90962Printer door removalFigure 4-7 Opening the printer doorPrior to this step: Remove the Document Scanner.The pri

C4224-90962External assemblies and covers 71Printer door removal (continued)Figure 4-8 Disconnecting the stabilizer barsTo disconnect the two stabiliz

72 Removal and ReplacementC4224-90962Printer door removal (continued)Figure 4-9 Storing the stabilizer barsCAUTION: Stabilizer bars can break if th

C4224-90962External assemblies and covers 73Printer door removal (continued)Figure 4-10Removing the paper deflector7Deflect the plastic spring on the

74 Removal and ReplacementC4224-90962Printer door removal (continued)Figure 4-11Removing the door from the hinge mechanism (continued on next page)

C4224-90962External assemblies and covers 75Printer door removal (continued)Figure 4-12Removing the cover from the hinge mechanism (continued)10Pull f

76 Removal and ReplacementC4224-90962Pod removalFigure 4-13Removing the stabilizing podsThe pods connected to the bottom of the printer must be rem

C4224-90962External assemblies and covers 77Back cover removalFigure 4-14Removing the screws on the back coverPrior to this step: Remove the memory ca

6 C4224-909624 Removal and ReplacementRemoval and replacement strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62Requir

78 Removal and ReplacementC4224-90962Back cover removal (continued)Figure 4-15Removing the back cover3 Release the plastic tabs on the bottom left

C4224-90962External assemblies and covers 79Internal paper guide removalFigure 4-16Removing the paper guidePrior to this step: Remove the memory card

80 Removal and ReplacementC4224-90962Front cover removalFigure 4-17Removing the front cover (continued on next page)Prior to this step: Remove the

C4224-90962External assemblies and covers 81Front cover removal (continued)Figure 4-18Removing the front cover (continued)3Pop the plastic snaps open

82 Removal and ReplacementC4224-90962Stabilizer bars removalFigure 4-19 Stabilizer barsThe stabilizer bars are secured by metal plates on each end

C4224-90962External assemblies and covers 83Printer laser/scanner cover removalFigure 4-20Removing the printer laser/scanner cover Prior to this step:

84 Removal and ReplacementC4224-90962Internal assembliesScanner assembly removalFigure 4-21Disconnecting the scanner assembly cablesPrior to this s

C4224-90962Internal assemblies 85Output roller removalFigure 4-22Releasing the output roller (continued on next page)NOTE:This part can be removed wit

86 Removal and ReplacementC4224-90962Output roller removal (continued)Figure 4-23Releasing the output roller snaps2 Slide the roller to the right,

C4224-90962Internal assemblies 87Delivery assembly removalFigure 4-24Removing the torsion screws on the delivery assemblyPrior to this step: Remove th

C4224-90962 75 Troubleshooting/MaintenanceBasic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

88 Removal and ReplacementC4224-90962Delivery assembly removal (continued)Figure 4-25Removing the delivery assembly2 Gently slide the assembly to t

C4224-90962Internal assemblies 89Paper exit sensor flag removalFigure 4-26Paper Exit Sensor FlagPrior to this step: Remove the output roller and deliv

90 Removal and ReplacementC4224-90962Fusing element removalFigure 4-27Metal Clips Holding Fusing Element Prior to this step: Remove the scanner, po

C4224-90962Internal assemblies 91Fusing element removalFigure 4-28Reassembly of fusing element clipsNOTE:During reassembly, make sure the metal clips

92 Removal and ReplacementC4224-90962Fusing element removal (continued)Figure 4-29Releasing the fusing element cable connection, left sideThe Fusin

C4224-90962Internal assemblies 93Fusing element removal (continued)Figure 4-30Releasing the fusing element cable connection, right sideThe larger doub

94 Removal and ReplacementC4224-90962Fusing element removal (continued)Figure 4-31Removing the fusing element5 After the two cables are disconnecte

C4224-90962Internal assemblies 95Gear train motor and solenoid removalFigure 4-32Removing the motor cable connection to the gear train cover Prior to

96 Removal and ReplacementC4224-90962Gear train motor and solenoid removal (continued)Figure 4-33Removing the gear train cover 2 Remove the four sc

C4224-90962Internal assemblies 97Gear train motor and solenoid removal (continued)Figure 4-34Removing the gear train motorNOTE:Some gears are not all