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Strany 1 - (C3941A)

Service ManualHP LaserJet 5L(C3941A)

Strany 2

1-2 Product Information

Strany 3 - Conventions

3 Remove the Solenoid connector (J204) from the DC Controller (Figure 6-22,callout 1).4 Remove the self-tapping screw that holds the Solenoid in place

Strany 4 - Chapter Descriptions

Pickup Roller Assembly1 Remove the Printer Covers.2 Remove the paper pickup gear (Figure 6-21).NoteThis gear is keyed to go on the shaft in only one w

Strany 5 - List of Figures

4 Using needlenose pliers, pull the bottom of the bushing out (Figure 6-24, callout 1),then turn it counter clockwise to release it (Figure 6-24, call

Strany 6

To reinstallNoteIt is important that the Pickup Roller is placed back in with the two Idler Roller tabsup, so that they fit into the underside of the

Strany 7 - List of Tables

Paper Feed Frame1 Remove the Printer Covers.2 Remove the Pickup Roller Assembly (Figures 6-23 through 6-24).3 Release the connectors from the Laser/Sc

Strany 8

4 Remove the (4) hex head screws from the Paper Feed Frame (Figure 6-27, callout 1).5 Remove the self-tapping screw from the back sheet metal plate an

Strany 9 - Product Information

6 Release the sensor unit connector (Figure 6-28).Paper Feed Frame Removal (2 of 2)7 Pull the frame straight back to remove it.To reinstallThe Paper F

Strany 10 - 1-2 Product Information

Transfer Roller Guide & Transfer Roller1 Remove the Printer Covers, Pickup Roller Assembly (Figures 6-23 through 6-25),and Paper Feed Frame (Figur

Strany 11 - Printer Features

Kick Plate1 Remove the Printer Covers and the Pickup Roller Assembly (Figures 6-23 and6-24). 2 Press the Separation Pad (Figure 6-30). Allow the Kick

Strany 12 - Identification

To reinstallIf the spring on the Kick Plate doesn’t stay on the Kick Plate, replace the spring,making certain the diameter of the spring surrounds two

Strany 13 - Specifications

Printer FeaturesPaper Capacities and SizesFeatures HP LaserJet 5L(C3941A)Print Speed 4 ppmText & Graphics Resolution 300 or 600 dpiPrinter Languag

Strany 14 - Product Overview

Separation Pad1 Remove the Printer Covers, Pickup Roller Assembly (Figures 6-23 and 6-24), andKick Plate (Figure 6-30).2 Lift the bottom of the white

Strany 15 - Product Information 1-7

SubpadsNoteWhen you replace the Separation Pad, you should also replace the smaller subpadsat the same time. 1 Place your index finger on the subpad.2

Strany 16 - 1-8 Product Information

Feed AssemblyThe Feed Assembly is located in the Paper Feed Frame. 1 Remove the Printer Covers, Pickup Roller Assembly (Figures 6-23 through 6-25),and

Strany 17 - Service Approach

4 Remove the self-tapping screw that holds the Feed Assembly in place (Figure 6-35,callout 1). Feed Assembly Removal (2 of 3)Figure 6-35Removal and Re

Strany 18 - Print Utilities

5 Remove the Feed Assembly.6 Turn the unit over. Lift the paper feed roller out (Figure 6-36).Feed Assembly Removal (3 of 3)To reinstallBefore securin

Strany 19 - Technical Assistance

Bottom AssembliesMemory Door Guide1 Remove the Printer Covers.2 Remove any extra memory.3 Two tabs hold the memory door guide on the printer chassis.

Strany 20

Motor1 Remove the Printer Covers.2 Remove the motor connector (Figure 6-38, callout 1).3 Remove the memory door guide to expose the two motor screws.4

Strany 21 - Warranty

DC Controller1 Remove the Printer Covers.2 Disconnect the motor connector from the motor (Figure 6-38, callout 1).3 Disconnect the Solenoid connector

Strany 22 - Voltage Conversions

8 Rotate the case forward slowly, about three or four inches, until you can see theFusing Assembly connector (J206). Release the connector (Figure 6-4

Strany 23 - Site Requirements

9 Rotate the metal case around so that the case is sitting on your work surface.10 Remove the (7) remaining connectors (Figure 6-41, callout 1). 11 Re

Strany 24 - 2 -2 Site Requirements

IdentificationModel and Serial The model number and serial numbers are listed on identification labels located onthe bottom of the printer. The model

Strany 25

Formatter PCACautionESD SENSITIVE!!!1 Remove the Printer Covers and complete the DC Controller removal direction up tostep 8 (Figures 6-39 and 6-40).2

Strany 26 - Printer Space Requirements

7TroubleshootingContentsGeneral Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . 7-3Paper Path and Compo

Strany 28 - TonerCartridge C3906A

General Troubleshooting FlowchartWhen the ac power is first applied to the printer:•• Both the printer motor and the laser/scannermotor rotate for 6 s

Strany 29 - Contents

General Troubleshooting Flowchart (continued)Refer to the section “Image FormationTroubleshooting,” later in this chapter. If the engine test produces

Strany 30

Paper Path and ComponentsPaper Path and ComponentsPS201PS203PS202SL1MotorFeed RollerFeedSubRollerPick-upRollerPaperRegistrationSensorPaperOutSensorPap

Strany 31 - 4 Open the EP Door

DC Controller DiagramDC Controller PCA ComponentsJ3 Control Panel Connector (Formatter PCA)J202 Paper Registration and Paper-OutPhotosensors (PS20

Strany 32 - Step 5: Load paper

Printer Error TroubleshootingInformation regarding printer status is conveyed by two methods: 1) the printer’sControl Panel lights and 2) feedback th

Strany 33 - Host-Based Printer Driver

Printer Status MessagesThe following table lists printer LED messages and their meanings and describesrecommended actions. For more information on the

Strany 34 - Host-Based Printer Settings

Occasionally you may add paper, close the printer door, add the toner cartridge, andclear a paper jam, only to find that the printer still displays an

Strany 35 - PCL Printer Driver

SpecificationsCategory SpecificationPrint Speed* 4 ppmMonthly Usage (Duty Cycle) 4,000 pagesLife Expectancy of Toner Cartridge (pages)** 2,500 pages @

Strany 36 - PCL Printer Settings

Service and Error MessagesService errors prevent further printer operation until some action is taken. Whenthere is a service error, all of the lights

Strany 37 - PCL Printing Status

Heating Element Resistance CheckFigure 7-3LEDs Description Recommended ActionBeam Error. There are a number of causesfor this error, and some of the c

Strany 38 - Using the Control Panel

LEDs Description Recommended ActionScanner Error. Caused by a scannermalfunction. 1. Power-cycle the printer by unplugging the printerand plugging it

Strany 39 - LED Lights

Image Formation TroubleshootingCheck the Toner CartridgeImage formation defects are many times the result of toner cartridge problems. Ifthere is any

Strany 40 - HP LaserJet 5L User’s Manual

Image Defect ExamplesThis section illustrates some image defects and their possible causes. Since there aremany variables in the printing process, you

Strany 41 - The Front Panel Button

Vertical LinesSometimes vertically aligned black streaks or smears can appear on successivepages.•The toner cartridge may be damaged. Replace it.•The

Strany 42 - Printing a Self-Test Page

Character VoidsCharacter voids are white areas within the parts of characters that should be solidblack.•If you are using transparencies when you expe

Strany 43 - Continuous Self Test

DropoutsDropouts are characters that are partially printed.•The Paper Input Bin may have been loaded with too much paper. Make sure thatno more than 1

Strany 44 - Printing an Engine Test

Blank Page (Occasional)A page is completely blank. If you get occasional blank pages:•Make sure your page length and margins are set correctly for the

Strany 45 - Resetting the Printer

Dots•Clean the static charge eliminator. (See Chapter 4, “Printer Maintenance.")•There may be discontinuities in the high-voltage contact points.

Strany 46

Product OverviewFront/Side Views of the Printer1. Paper Input Support 7. Front Panel Button 13. Front Output Slot (face-up)2. Paper Output Support 8.

Strany 47 - Printer Maintenance

Distorted Image or BD Failure•Make certain the printer is not facing the sunlight.•The paper may not meet HP’s paper specifications. Select different

Strany 48 - 4-2 Printer Maintenance

Troubleshooting ChecksEngine TestThe engine test print is used to verify that the print engine is functioning correctly.The Formatter PCA is completel

Strany 49 - Printer Maintenance 4-3

Half-Self Test Functional CheckThe electrophotographic process can be subdivided into the following stages:•• Cleaning (removing excess toner from dru

Strany 50 - Toner Cartridge Life

Drum Rotation Functional CheckThe photosensitive drum, located in the toner cartridge, must rotate for the printprocess to work. The photosensitive dr

Strany 51 - Recycling Toner Cartridges

High-Voltage Power Supply CheckThe High-Voltage Power Supply PCA provides the necessary voltages for theelectrophotographic processes. A method for v

Strany 52 - Cleaning the Printer

Toner Cartridge High Voltage Connection Points (2 of 2)•• Charging (1)•• Drum Ground (2)•• Developing Roller (3)Figure 7-6Troubleshooting 7-25

Strany 53 - Cleaning Printer Components

Paper CurlPaper curl is inherent to the laser printing processes, and occurs when paper issubjected to heat. Paper curl tends to relax as the paper co

Strany 54 - Cleaning Spilled Toner

Troubleshooting ToolsPaper Path CheckIf paper is not being picked up or is not moving through the paper path, you maywant to observe all of the paper

Strany 55 - Functional Overview

Repetitive Image Defect RulerRepetitive Image Defect RulerFigure 7-87-28 Troubleshooting

Strany 56 - 5 - 2 Functional Overview

Main Wiring DiagramFigure 7-9 Main Wiring DiagramTroubleshooting 7-29

Strany 57 - Basic Printer Functions

Front Door Assemblies14. Paper Release Lever 16. Transfer Roller15. Toner Cartridge Compartment 17. EP DoorFigure 1-3Product Information 1-7

Strany 58 - Figure 5-2

Connector Signal Name RemarksJ401 pin 1 MA Motor Drive SignalJ401 pin 2 /MA Motor Drive SignalJ401 pin 3 MB Motor Drive SignalJ401 pin 4 /MB Motor Dri

Strany 59 - Print Engine Control System

Connector Signal Name RemarksJ209 pin 3 DOSNS “H” when cartridge is notinstalled or the front door isopen at PS204.J305 pin 1 +12A VJ305 pin 2 N/UJ305

Strany 60 - SleepMode

7-32 Troubleshooting

Strany 61 - •• A job is received

8Parts and DiagramsContentsHow to Use the Part Lists and Diagrams . . . . . . . . . . . . . . . . . . . . 8-3Ordering Parts .

Strany 62 - Formatter System

8-2 Parts and Diagrams

Strany 63 - Resolution Enhancement (REt)

How to Use the Part Lists and DiagramsThe Figures in this chapter illustrate the major subassemblies in the printer and theircomponent parts. A table

Strany 64 - EconoMode

Ordering ConsumablesConsumables and accessories such as those listed on Table 8-1 may be ordered fromHewlett-Packard.The phone numbers are:U.S.: 1-800

Strany 65 - PJL Overview

Accessories and Supplies The following items are available through your local authorized HP dealer. To find adealer near you (or if your dealer is tem

Strany 66 - Figure 5-4

Common Hardware Example DescriptionScrew, Machine, Trus Head M3x4, M3x6, M3x8Screw, Star, 3x6Screw, Self-tap, 4x10Screw, Hex-head, 3x8Screw, Hexhead,

Strany 67 - Step 3: Image Writing

Major Assembly LocationsFigure 8-1Parts and Diagrams 8-7

Strany 68 - Step 6: Image Fusing

Back View of the Printer18. Power Cable Connector 20. Memory Expansion Cover19. Parallel Cable ConnectorFigure 1-4 I1-8 Product Information

Strany 69 - Paper Feed System

Covers and DoorsFigure 8-28-8 Parts and Diagrams

Strany 70 - 5 - 16 Functional Overview

Ref. Part No. Ref. Description1 RB1-7211-000CN 1 Input Extender 12 RB1-7212-000CN 1 Input Extender 23 RB1-7333-000CN 1 Back Cover 4 RB1-1995-000CN 1 M

Strany 71 - Functional Overview 5 - 17

Internal Components (1 of 3)Figure 8-38-10 Parts and Diagrams

Strany 72 - Paper Jam Detection

Ref Part No. Qty Description1 RY7-5005-000CN 1 Gear Kit #12 RB1-7288-000CN 2 Exit Roller Bushing3 RB1-7105-000CN 1 Fuser Release Tab4 RB1-7106-000CN 1

Strany 73 - Basic Sequence of Operation

Internal Components (2 of 3)Figure 8-48-12 Parts and Diagrams

Strany 74 - 5 - 20 Functional Overview

Ref Part No. Qty Description1 RB1-7109-000CN 1 Memory Door Guide2 RB1-7247-000CN 1 Fuser Paper Guide3 RB1-7344-000CN 1 AC Cable Cover4 RF5-1509-000CN

Strany 75 - Removal and Replacement

Internal Components (3 of 3)Figure 8-58-14 Parts and Diagrams

Strany 76

Ref Part No. Qty Description1 RB1-7223-000CN 1 Pickup Roller Grounding Clip2 RB1-7246-000CN 2 PR Bushing3 RB1-7341-000CN 1 EP Right Hand Guide #24 RF5

Strany 77 - WARNING!

DC Controller/Formatter and CablesFigure 8-68-16 Parts and Diagrams

Strany 78 - Required Tools

The table below lists each connector, its cable length, and the number of pins.Connector Cable Length(inches)Number of PinsFusing Assembly (J206) 5.5

Strany 79

Service Approach Repair of the printer normally begins with the use of the printer’s internaldiagnostics in conjunction with the troubleshooting proc

Strany 80 - 2 Remove the toner cartridge

Pickup Roller AssemblyFigure 8-78-18 Parts and Diagrams

Strany 81

Ref Part No. Qty Description1 RB1-7177-000CN 1 Paper Feed Frame2 RY7-5008-000CN 1 Separation Pad Assembly3 RY7-5009-000CN 1 Input Sensor Assembly 4 RG

Strany 82 - 3 Remove the toner cartridge

Feed AssemblyFigure 8-88-20 Parts and Diagrams

Strany 83

Ref Part No. Qty DescriptionRG5-1942-000CN 1 Feed Assembly9 RB1-7226-000CN 1 Idler RollerTable 8-8Parts and Diagrams 8-21

Strany 84 - Figure 6-6

Separation Guide AssemblyFigure 8-98-22 Parts and Diagrams

Strany 85 - 4 Lift the Control Panel out

Ref Part No. Qty DescriptionRG5-2013-000CN 1 Separation Guide Assembly2 RB1-7276-000CN 1 Face-up/face-down Shaft4 RB1-7289-000CN 1 Fuser Roller Bushin

Strany 86 - 4 Lift the roller out

Delivery AssemblyFigure 8-108-24 Parts and Diagrams

Strany 87 - Delivery Assembly

Ref Part No. Qty DescriptionRG5-2012-000CN 1 Delivery Assembly1 RB1-7284-000CN 4 Delivery Roller #12 RB1-7285-000CN 2 Delivery Roller #23 RB1-7286-000

Strany 88 - Figure 6-10

8-26 Parts and Diagrams

Strany 89 - Fuser Pressure Plate

AParts IndexParts Index A-1

Strany 90 - To reinstall:

Print UtilitiesHP provides several utilities for enhancing use of the LaserJet printers in MS-DOSand Windows environments. More information on specifi

Strany 91 - Heating Element

Parts IndexDescription Part No. Fig. Ref.AC Cable Cover RB1-7344-000CN 8-5 3Back Cover RB1-7333-000CN 8-2 3Back Grounding Clip RB1-7199-000CN 8-7 7Bac

Strany 92 - Figure 6-14

Description Part No. Fig. Ref.Feed Assembly RG5-1942-000CN 8-8Flag RB1-7293-000CN 8-4 18Flag Cover RF5-1524-000CN 8-6 2Flag Spring RB1-7294-000CN 8-4

Strany 93 - Lift the Heating Element out

Description Part No. Fig. Ref.Kick Plate Pad RB1-7178-000CN 8-7 20Kick Plate Spring RS5-2501-000CN 8-7 14Label (110V) RS5-8540-000CN 8-2 12Label (240V

Strany 94 - Pressure Roller

Description Part No. Fig. Ref.Right Sub Pad Assembly RF5-1493-000CN 8-7 12Rocker Arm RB1-7219-000CN 8-7 19Rocker Holder RB1-7220-000CN 8-7 10Scanner C

Strany 95 - Face-Up/Face-Down Lever

Part No. Description Fig. Ref.C3941-69001 DC Controller PCA (110V) Exchange 8-6 3C3941-69002 DC Controller PCA (220V) Exchange 8-6 3C3941-69003 Laser

Strany 96 - Fuser Exit Roller Assembly

Part No. Description Fig. Ref.RB1-7255-000CN Left PR Housing 8-4 13RB1-7256-000CN Right PR Housing 8-4 12RB1-7276-000CN Face-up/Face-down Shaft 8-9 2R

Strany 97 - Paper Exit Sensor Flag

Part No. Description Fig. Ref.RF5-1522-000CN Fuser Exit Roller Assembly 8-9 7RF5-1524-000CN Flag Cover 8-6 2RF5-1530-000CN Transfer Roller Guide 8-4 6

Strany 98 - Top Assemblies

Part No. Description Fig. Ref.RS5-0796-000CN PR Gear 8-4 11RS5-2501-000CN Kick Plate Spring 8-7 14RS5-2502-000CN Main Separation Pad Spring 8-7 15RS5-

Strany 99

A-10 Parts Index

Strany 100 - 6 Lift the Solenoid off

BRegulatory Information Laser Safety (U.S.A.) The Center for Devices and Radiological Health (CDRH) of the U.S. Food andDrug Administration implemente

Strany 101 - 1 Remove the Printer Covers

Technical Assistance HP ASAPHP ASAP (Automated Support Access Program) provides free user technicalsupport information 24 hours a day, 7 days a week.

Strany 102 - 5 Lift the bushing out

Laser Statement (Finland) The following applies to printer operation and servicing in Finland. LASERTURVALLISUUSLUOKAN 1 LASERLAITEKLASS 1 LASER APPAR

Strany 103 - To reinstall

Toner Safety Note In case of toner spills, skin and clothing are best cleaned by removing as much toneras possible with a dry tissue, then washing wit

Strany 104

FCC Statement (Class B)Note: This equipment has been tested and found to comply with the limits for aClass B digital device, pursuant to part 15 of th

Strany 105 - 6-27, callout 2)

IndexAAC power distribution 5-6circuitry 5-6accessories and supplies 8-5acoustic emissions 1-5assistance,technical 1-11AUDIO-TIPS, HP 1-11Bbackg

Strany 106

image transferring 5-12, 5-14image writing 5-12 - 5-13installationDRAM 6-5installingmemory cards 6-5printer 3-3software 3-4interfacesstandard 1-3in

Strany 107

error 7-8manual feed 7-7memory error 7-7paper out 7-7Ready 7-8self test 7-8status 7-8toner cartridge 7-7troubleshooting 7-7printer space requirem

Strany 108 - Kick Plate

print quality problems 7-14printer errors 7-7troubleshooting checks 7-21troubleshooting flowchart 7-3troubleshooting tools 7-27troubleshooting, p

Strany 109

© Copyright Hewlett-PackardCompany 1995All Rights Reserved.Reproduction, adaptation, ortranslation without priorwritten permission isprohibited, excep

Strany 110 - Separation Pad

Customer Information Centers (North America Only)For presales information, contact the nearest Hewlett-Packard CustomerInformation Center, 1-800-752-0

Strany 111 - Figure 6-33

WarrantyThis warranty gives you specific legal rights. You may also have other rights, whichmay vary from area to area.Hewlett-Packard warrants the 5L

Strany 112 - Feed Assembly

If you are using a mechanical switchbox, ensure that it is equipped with a surgeprotector. Damage to your printer could occur from the use of unprotec

Strany 113 - Figure 6-35

2 Site Requirements ContentsSite Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3Opera

Strany 115 - 2 Remove any extra memory

Site RequirementsOperating EnvironmentThe environmental requirements listed in the table below must be maintained toensure the proper operation of thi

Strany 116 - 5 Lift the Motor out

Printer Space RequirementsPrinter Space RequirementsFigure 2-1Description DimensionWidth 13.2 in. (335.5 mm)Depth 12.3 in. (311.2 mm)Height (storage)

Strany 117 - DC Controller

The HP C3906A Toner Cartridge Toner cartridges contain components that are sensitive to light, temperature, andhumidity. Follow the recommendations in

Strany 118 - ESD SENSITIVE!!!!

Toner Cartridge Handling Suggestions•• Before installing a cartridge, distribute the toner evenly by rotating the cartridgeback and forth five to six

Strany 119 - Figure 6-41

3Installation and ConfigurationContentsUnpacking and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Strany 120 - Formatter PCA

ConventionsThis manual uses the following conventions:Color is used to emphasize items which are important to the material underdiscussion.The names o

Strany 121 - Troubleshooting

3-2 Installation and Configuration

Strany 122 - 7-2 Troubleshooting

Unpacking and InstallationBefore unpacking the printer, inspect the shipping container for signs of physicaldamage. Since a damaged shipping box is an

Strany 123

Step 4: Install the toner cartridge 1 Open the EP Cartridge door. 2 Remove toner cartridge from its box and cut it open. Save the packing materials fo

Strany 124

NoteIf your system does not meet these minimum requirements, only the PCL driversoftware will be installed.Minimum System Requirements•• 486 or above

Strany 125 - Troubleshooting 7-5

If you would like to connect another device to the LPT port you have configured touse with the HP LaserJet 5L, select the other device from the Micros

Strany 126 - DC Controller Diagram

Host-Based Printing StatusTo view your printer’s status, open the HP LaserJet 5L Printer group withinProgram Manager and select Status Window. As show

Strany 127 - Priority of Errors

PCL Printer SettingsTo change printer settings, select Control Panel, Printers, HP LaserJet 5L (PCL),Setup. The printer settings window will appear. (

Strany 128 - Printer Status Messages

PCL Printing StatusTo view your printer’s status, open the HP LaserJet 5L PCL Printer group withinProgram Manager and select Status Window. As shown i

Strany 129 - Table 7-3 Unclearable Error

Using the Control PanelControl Panel LayoutThe Control Panel consists of three status lights and a Front Panel Button located atthe front of the print

Strany 130 - Service and Error Messages

LED LightsThe LED lights provide a quick way to check the printer’s status. When this Indicator: Looks likethis:It means this: Do this:OnBlinkingReady

Strany 131 - Troubleshooting 7-11

Chapter Descriptions1 Product InformationOrientation to the printer, as well as the service and repair philosophy, is discussed.Information on obtaini

Strany 132 - 7-12 Troubleshooting

When this indicator: Looks likethis:It means this: Do this:Blinking Error (light blinking) Page TooComplexThe page may be too complexfor the printer’s

Strany 133 - Check the Toner Cartridge

The Front Panel ButtonDepending on what state the printer is in, pressing the Front Panel Button allowsyou to control printing tasks by either startin

Strany 134 - Image Defect Examples

Printing a Self-Test PageA self-test page can be useful in troubleshooting printer problems and determiningwhich fonts have been downloaded to the pri

Strany 135

Continuous Self TestA continuous self test can be useful for troubleshooting paper path and otherproblems. To print a continuous self test:1 Disconnec

Strany 136

Printing an Engine Test The engine test print can be used to verify that the print engine is functioningcorrectly. The Formatter PCA is completely byp

Strany 137

Resetting the PrinterResetting the printer accomplishes the following:•• Clears all data from the printer’s memory (including unprinted data, download

Strany 138

3-18 Installation and Configuration

Strany 139

4Printer Maintenance ContentsLife Expectancy of Consumables . . . . . . . . . . . . . . . . . . . . . . . 4-3Toner Cartridge

Strany 140

4-2 Printer Maintenance

Strany 141 - Troubleshooting Checks

Life Expectancy of ConsumablesAlways inspect the components listed in Table 4-1 for wear when servicing theprinter. Replace these components as needed

Strany 142

List of FiguresFigure 1-1 HP LaserJet 5L Model and Serial Numbers . . . . . . . . . . . 1-4Figure 1-2 Front/Side Views of the Printer .

Strany 143 - 1 Open the Printer Door

Toner Cartridge Life The toner cartridge has been designed to simplify the replacement of the printer’smajor “consumable” parts. The toner cartridge c

Strany 144 - •• Developing Roller (3)

proofs. EconoMode can be set through your printer driver. See Chapter 3 forinformation. Notes Some software applications may refer to this as “draft m

Strany 145

Cleaning the PrinterTo maintain the print quality, thoroughly clean the printer:•• Every time you change the toner cartridge.•• After printing approxi

Strany 146 - Paper Curl

Cleaning Printer ComponentsCAUTIONTo avoid permanent damage to the toner cartridge, do not use ammonia-basedcleaners on or around the printer. Do not

Strany 147 - Troubleshooting Tools

Static Eliminator Teeth (located in front of the transfer roller)Cleaning Spilled Toner Defective toner cartridges can develop leaks. In addition, aft

Strany 148 - Repetitive Image Defect Ruler

5Functional OverviewContentsBasic Printer Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3DC Con

Strany 149 - Main Wiring Diagram

5 - 2 Functional Overview

Strany 150 - 7-30 Troubleshooting

Basic Printer FunctionsThis chapter presents a generalized functional overview of the printer and theprinting processes. The following printer systems

Strany 151 - Troubleshooting 7-31

DC Controller/Power SystemThe DC Controller PCA coordinates all print engine activities, drives the laser, andcoordinates print data from the Formatte

Strany 152 - 7-32 Troubleshooting

Print Engine Control SystemLaser and Scanner DriveBased on information received from the Formatter, the DC Controller sends signalsto the Laser/Scanne

Strany 153 - Parts and Diagrams

Figure 6-23 Pickup Roller Assembly Removal (1 of 2) . . . . . . . . . . . 6-27Figure 6-24 Pickup Roller Assembly Removal (2 of 2) . .

Strany 154 - 8-2 Parts and Diagrams

Power System (on DC Controller PCA)The AC, dc, and high voltage power supply circuits are all contained within the DCController PCA.AC Power Distribut

Strany 155 - Ordering Parts

•• A job is received.•• The Front Panel Button is pressed.•• The printer front door is opened.NoteThe printer will not enter SleepMode if there is a p

Strany 156 - Ordering Consumables

Formatter SystemThe Formatter PCA is responsible for the following:•• Receiving and processing print data from the printer interface. •• Monitoring Fr

Strany 157 - Accessories and Supplies

Control PanelStatus LED LightsThe Formatter uses three LEDs mounted under the printer cover to communicateprinter status to the user. Refer to “Using

Strany 158 - Common Hardware

EconoModeThe EconoMode setting uses approximately 50% less toner than standard modeprinting by reducing the dot density. However, EconoMode does not e

Strany 159 - Parts and Diagrams 8-7

Enhanced I/OThe Enhanced I/O feature allows printer memory to be used for storing datareceived from the host computer. When Enhanced I/O is enabled, y

Strany 160 - 8-8 Parts and Diagrams

Image Formation SystemLaser printing requires the interaction of several different technologies (such aselectronics, optics, and electrophotographics)

Strany 161 - Parts and Diagrams 8-9

Toner CartridgeAs the “heart” of the Image Formation System, the toner cartridge houses thecleaning, conditioning, and developing steps of the process

Strany 162 - 8-10 Parts and Diagrams

Step 4: Image DevelopingAt this stage of the process, the latent electrostatic image is present on the drum.The toner particles obtain a negative surf

Strany 163 - Parts and Diagrams 8-11

Paper Feed SystemBoth the Paper Input Bin and the Single Sheet Input Slot merge into one, main inputarea. Paper placed in either of these areas enable

Strany 164 - 8-12 Parts and Diagrams

List of TablesTable 1-1 Printer Features . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Table 1-2 Paper Capacitie

Strany 165 - Parts and Diagrams 8-13

Figure 5-5 shows a simplified paper path and the locations of the photosensors androllers.Simplified Paper PathFigure 5-55 - 16 Functional Overview

Strany 166 - 8-14 Parts and Diagrams

Figure 5-6 shows the locations of the photosensors, switches, solenoid, and otherimportant printer elements. Table 5-1 describes the function of each

Strany 167 - Parts and Diagrams 8-15

Paper Jam DetectionThe Paper Out Sensor (PS202), Paper Registration Sensor (PS203), and the PaperExit Sensor (PS201) detect when paper is moving throu

Strany 168 - 8-16 Parts and Diagrams

Basic Sequence of OperationThe Formatter PCA and the DC Controller PCA share information during printeroperation. The DC Controller-to-Formatter Conne

Strany 169 - Parts and Diagrams 8-17

General Timing DiagramFigure 5-75 - 20 Functional Overview

Strany 170 - 8-18 Parts and Diagrams

6Removal and ReplacementContentsRemoval and Replacement Strategy . . . . . . . . . . . . . . . . . . . . . . 6-3Required Tool

Strany 171 - Parts and Diagrams 8-19

6 - 2 Removal and Replacement

Strany 172 - 8-20 Parts and Diagrams

Removal and Replacement StrategyThis chapter documents removal and replacement of Field Replaceable Units(FRUs) only. Exchange assemblies should be se

Strany 173 - Parts and Diagrams 8-21

Required Tools•• #2 Phillips Screwdriver•• 5.5 mm Hexhead Screwdriver•• Small Flathead Screwdriver•• Needlenose Pliers.CautionA Posidriv screwdriver w

Strany 174 - 8-22 Parts and Diagrams

Installing Memory Cards (DRAM)1 Unplug the power cord from the printer. Youshould not install a memory card while theprinter is in SleepMode.2 Open th

Strany 176 - 8-24 Parts and Diagrams

Covers and DoorsBack Cover1 Unplug the power cord and remove the parallel cable from the back of the printer.2 Remove the toner cartridge.3 Lift the I

Strany 177 - Parts and Diagrams 8-25

5 Separate the rear panel from the main cover, pulling the lower corners away fromthe printer first, then using a flathead screwdriver to pry the two

Strany 178 - 8-26 Parts and Diagrams

EP Door Assembly1 Unplug the power cord and remove the parallel cable from the back of the printer.2 Open the EP door.3 Remove the toner cartridge.4 A

Strany 179 - Parts Index

Memory Door1 Unplug the power cord and remove the parallel cable from the back of the printer.2 Remove the toner cartridge.3 Gently tip the printer on

Strany 180

Main Cover and Paper Input Assembly1 Remove the toner cartridge.2 Remove memory door.CautionRemove the memory door first. The door will break if you r

Strany 181 - Parts Index A-3

Internal AssembliesControl Panel1 Remove the Printer Covers.2 Release the Control Panel connector (Figure 6-7, callout 1).3 Press the tab on the top o

Strany 182 - A-4 Parts Index

Exit Roller Assembly1 Remove Printer Covers.2 Grasp the tabs at the lower ends of the Exit Roller bushings and pull inward. Thiswill release the tabs

Strany 183 - Parts Index A-5

Delivery Assembly1 Remove the Printer Covers and Exit Roller Assembly.2 Remove the EP Right-Hand assembly by pressing the tab in (Figure 6-9, callout

Strany 184 - A-6 Parts Index

3 Remove the (2) screws (Figure 6-10, callout 1). Once the screws have beenremoved, rotate the rear of the assembly up and lift it out of the printer.

Strany 185 - Parts Index A-7

Fuser Pressure Plate1 Remove Printer Covers and Delivery Assembly (Figures 6-9 and 6-10).2 Remove the (2) screws (Figure 6-11, callout 1). 3 Press the

Strany 186 - A-8 Parts Index

1 Product InformationContentsPrinter Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Strany 187 - Parts Index A-9

To reinstall:The Fuser Pressure Plate is kept in place by four locking mechanisms in eachcorner. Place the rear slits in the plate over the rear brack

Strany 188 - A-10 Parts Index

Heating Element1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), and FuserPressure Plate (Figure 6-11).2 Remove the wire cover (on th

Strany 189 - Regulatory Information

3 Disconnect the AC voltage to the Heating Element by releasing the connectorlocated on the DC Controller. Press down on the connector release with a

Strany 190 - Laser Statement (Finland)

4 Remove the wire from the wire guides along the right-side of the printer.5 Disconnect the thermistor feedback connector in the left front side of th

Strany 191 - Ozone Emission

Pressure Roller1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), Fuser PressurePlate (Figure 6-11), and Heating Element (Figures 6-13

Strany 192 - VCCI Statement (Japan)

Face-Up/Face-Down Lever1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), Fuser PressurePlate (Figure 6-11), and Heating Element (Figu

Strany 193

Fuser Exit Roller Assembly1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), Fuser PressurePlate (Figure 6-11), and Heating Element (F

Strany 194

Paper Exit Sensor Flag1 Remove the Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), and FuserPressure Plate (Figure 6-11).2 Remove the Paper

Strany 195

Top AssembliesLaser/Scanner Assembly1 Remove the Printer Covers.2 Remove both Laser/Scanner connectors (Figure 6-20, callout 1).3 Remove all (4) screw

Strany 196

Solenoid1 Remove the Printer Covers.2 On the left side of the printer, remove the paper pickup gear (Figure 6-21, callout 1)by pressing the tabs in th

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