Canon PIXMA MG3220 series Service Manual

HP LaserJet M1120 MFP SeriesService Manual

Laser statement for Finland ... 196Substances table (China)

6. Release the wire harness from the retainer (callout 8) on the power supply.Figure 5-55 Remove the power supply (5 of 7)87. Unclip two clips (callo

8. Remove three screws (callout 12). Remove the power supply.Figure 5-57 Remove the power supply (7 of 7)12ENWW Product base 85

Scanner support frame1. Remove the following assemblies:●Scanner assembly. See Scanner assembly on page 60.●Right and left cover. See Side covers on p

3. Rotate the gear-drive bracket until the retainer on the gear-drive arm aligns with the opening in thebracket, and remove the bracket.Figure 5-59 R

5. Lift the scanner support frame up and off of the product.Figure 5-61 Remove the scanner support frame (4 of 5)6. If you are removing the scanner s

Laser/scanner assembly1. Remove the following assemblies:●Scanner assembly. See Scanner assembly on page 60.●Right and left cover. See Side covers on

3. Release one tab and one spring (callout 3) and then remove right-side scanner-assembly lockinglever.Figure 5-64 Remove the laser/scanner (2 of 7)3

5. Lift the laser/scanner cover up and out of the product to remove it.NOTE: When this cover is reinstalled, make sure that the slots in the lower por

7. Remove four screws (callout 6).NOTE: These four screws are longer than most of the screws used in the product. Do not getthem mixed up with screws

Main motor1. Remove the following assemblies:●Scanner assembly. See Scanner assembly on page 60.●Formatter. See Formatter on page 81.●Right and left c

List of tablesTable 1-1 Product guides ...

3. Carefully release two tabs (callout 3) and separate the main motor PCA from the mounting bracket.Figure 5-71 Remove the main motor (2 of 4)34. Rem

5. Remove two screws (callout 6). Carefully slip the main-motor drive belt off of the motor shaft(callout 7), and then remove the main motor.Figure 5-

Fuser1. Remove the following assemblies:●Scanner assembly. See Scanner assembly on page 60.●Right and left covers. See Side covers on page 74.●Print-c

3. Disconnect two wire-harness connectors (callout 3; J102, and J552) and remove the harnessesfrom the retainer (callout 4).NOTE: You might need to di

5. Release one tab (callout 7) and then remove the wire-harness retainer (callout 8).Figure 5-77 Remove the fuser (4 of 6)786. Remove three screws (c

7. Lift up the right side of the fuser assembly to release it from the chassis, and then remove the fuserassembly.Figure 5-79 Remove the fuser assemb

Paper-pickup assembly1. Remove the following assemblies:●Separation pad. See Separation pad on page 66.●Scanner assembly. See Scanner assembly on page

3. Disconnect two wire harnesses (callout 2; J551 and J556).Figure 5-81 Remove the paper-pickup assembly (2 of 4)24. Remove six screws (callout 3).Fi

5. Separate the assembly from the chassis, and then remove it.Figure 5-83 Remove the paper-pickup assembly (4 of 4)102 Chapter 5 Removal and replac

Drive-gear assembly and drive belt1. Release one tab (callout 1). Rotate the paper-pickup drive-shaft locking clip until the clip retainersalign with

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3. Remove the drive-gear assembly.CAUTION: Not all of the gears and springs are captive when you remove the drive-gearassembly. Make sure that you do

6 Problem solve●Problem-solving checklist●Control-panel messages●Clear jams●Print problems●Scan problems●Copy problems●Functional checks●Service-mode

Problem-solving checklistFollow these steps when trying to solve a problem with the product.StepnumberVerification step Possible problems Solutions1 I

StepnumberVerification step Possible problems Solutions6 Does the product scan to thecomputer?Initiate a scan from the basicdesktop software at yourco

Control-panel messagesThe majority of the control-panel messages are intended to guide the user through typical operation.The control-panel messages i

Critical error messagesCritical error messages can indicate some kind of failure. Turning off and then turning on the powermight fix the problem. If a

Control panel message Description Recommended actionIf a surge protector is being used, remove it.Plug the product directly into the wall socket.Use t

Clear jamsCauses of jamsOccasionally, paper or other print media can become jammed during a print job. Some causes includethe following events:●The in

Where to look for jamsJams can occur in these locations:●In input areas●In output areas●In the print-cartridge areaFind and remove the jam by using th

3. With both hands, grasp the side of the media that is most visible (this includes the middle), andcarefully pull it free from the product.4. Open tr

List of figuresFigure 4-1 System block diagram ...

6. Replace the print cartridge and close the print-cartridge door.114 Chapter 6 Problem solve ENWW

Clear jams from the output binCAUTION: Do not use sharp objects, such as tweezers or needle-nose pliers, to remove jams.Damage caused by sharp objects

Clear jams from the print-cartridge areaCAUTION: Do not use sharp objects, such as tweezers or needle-nose pliers, to remove jams.Damage caused by sha

Avoid repeated jams ●Verify that the input tray is not overfilled. The input tray capacity varies depending on the type ofprint media that you are usi

Print problemsPrint-quality problemsThe information in the following sections helps you identify and resolve print-quality issues.NOTE: If you are hav

For Windows Vista:1. In the Windows system tray, click Start, click Control Panel, and then click Printer.2. Right-click the product icon.3. Click Pro

General print-quality issuesThe following examples depict letter-size paper that has passed through the product short-edge-first.These examples illust

Problem Example Cause SolutionThe amount ofbackground tonershading becomesunacceptable.The media might not meetHP specifications.Use a different paper

Problem Example Cause SolutionMarks repeatedly appearat even intervals on thepage.The product is not set to print onthe type of media on which youwant

Problem Example Cause SolutionThe printed page containswrinkles or creases.The media might be loadedincorrectly or the input tray mightbe too full.Tur

Figure 5-25 Remove the separation pad (1 of 2) ... 66Figure

Scan problemsSolve scanned-image problemsProblem Cause SolutionThe scanned image is of poorquality.The original might be a second-generationphoto or p

Problem Cause SolutionThe scan takes too long The resolution or color level is set too high. Change the resolution and color settings tothe correct se

Scan-quality problemsPrevent problemsThe following are a few simple steps you can take to improve copy and scan quality.●Use high-quality originals.●P

Copy problemsPrevent problemsThe following are a few simple steps you can take to improve copy quality:●Use quality originals.●Place the media on the

Problem Cause SolutionUnwanted lines or dots appear onthe copy.The flatbed scanner might be dirty. Clean the flatbed scanner. See Clean theflatbed sca

Problem Cause SolutionProblems with feeding The paper has ragged edges. Use high-quality paper that is made for laserprinters.The paper varies from si

Performance problemsProblem Cause SolutionNo copy came out. The input tray might be empty. Load media in the product. See Install inputdevices on page

Functional checksEngine test page1. Turn the product power on and wait for the message Ready to appear on the control-panel display.2. Rapidly open an

Half self-test functional checkThe print process can be subdivided into the following stages:●Image formation stage (charges the drum and writes a lat

Heating element checkMedia passes between the heating element and a soft pressure roller to fuse toner to the media.1. Unplug the product for at least

Figure 5-75 Remove the fuser (2 of 6) ... 9

Figure 6-2 Print-cartridge high-voltage connection points (left side)23Check the high-voltage connector assemblyVisually inspect the cartridge connec

Service-mode functionsNVRAM initializationAn NVRAM initialization returns the device settings to the factory-set defaults.1. Turn off the product.2. P

Menu item Submenu DescriptionDisplay test Use the Display test sub-menu to run a test of the control-paneldisplay lights and LCD screen.Button test

Problem-solving toolsProduct information pages and reportsInformation pages and reports reside within the product memory. These pages and reports help

Service menuUse the control-panel Service menu to solve product problems. In the table below, an asterisk (*)denotes the default setting.Service menu

Turn on archive print1. On the product control panel, press Setup.2. Use the arrow buttons to select Service, and then press OK.3. Use the arrow butto

Problem-solving diagrams●Repetitive image defects●Interface ports●Formatter connectors●ECU connectors●Solenoid and motor●Rollers●Sensors●Major compone

Interface portsAll models have a Hi-Speed USB 2.0 port. The HP LaserJet M1120n also has a 10/100 Base-T (RJ-45)network port.121 Hi-Speed USB 2.0 port2

Formatter connectorsFigure 6-3 Formatter connectors J12J10J17J14J18J8Table 6-2 Formatter connectorsItem DescriptionJ8 High-sp

ECU connectorsFigure 6-4 ECU connectorsTable 6-3 ECU connectorsItem DescriptionJ101 Fuser (not shown)J102 Power switchJ501 InterlockJ531 Formatter P

xiv ENWW

Solenoid and motorFigure 6-5 Solenoid and motor12Table 6-4 Solenoid and motorItem Description1 Pickup solenoid2 Main motor144 Chapter 6 Problem so

RollersFigure 6-6 Rollers12Table 6-5 RollersItem Description1 Transfer roller (fastened to the rear door)2 Pickup rollerENWW Problem-solving diagram

SensorsFigure 6-7 SensorsPS701PS702PS751Table 6-6 SensorsItem DescriptionPS701 Fuser-delivery sensorPS702 Media-width sensorPS751 Top-of-page sensor

Major componentsFigure 6-8 Major components12314Table 6-7 Major componentsItem Description1 Fuser assembly2 Laser/scanner assembly3 Paper-pickup ass

PCAs (base unit)Figure 6-9 PCAs (base unit)12Table 6-8 PCAs (base unit)Item Description1 Formatter PCA2 Engine-controller PCA (ECU)148 Chapter 6 P

Circuit diagramFigure 6-10 Circuit diagram123456789101112131415161718Interlock switchPower switchFormatterEngine Controller PCAFuser heaterThermal fu

Firmware updatesFirmware updates and installation instructions for this product are available at www.hp.com/support/LJM1120. Click Downloads and drive

7Parts●Ordering information●Supplies and hinge tool●Cable and interface accessories●Whole-unit replacement●Control-panel overlays●Supplementry documen

Ordering informationOrder replacement parts, supplies, and paper from the following Web sites:●To order genuine HP parts and accessories, go to www.hp

Whole-unit replacementUse the tables in this section to find the whole-unit replacement part number for a specific product bundleand localized configu

1 Product information●Quick access to product information●Product comparison●Product features●Product walkaround●Software description●Software for Win

Country/region Localized configuration Replacement part numberEurope, Middle East, and Africa ABD - Germany-German CC537-67916ABF - France-French CC53

Table 7-2 Whole-unit replacement, product bundle CC459ACountry/region Localized configuration Replacement part numberAsia Pacific AB0 - Taiwan-Tradit

Country/region Localized configuration Replacement part numberEurope, Middle East, and Africa ABD - Germany-German CC459-67914ABF - France-French CC45

Control-panel overlaysTable 7-3 Control-panel overlays, HP LaserJet M1120Item Language Part numberControl-panel overlay English (EN) CB537-00003Contr

Item Language Part numberControl-panel overlay Ukranian (UK) CB537-00036Control-panel overlay Serbian (SR) CB537-00037Control-panel overlay Lithuanian

Item Language Part numberControl-panel overlay Romanian (RO) CC459-00029Control-panel overlay Croation (HR) CC459-00030Control-panel overlay Slovenian

Supplementry documentation and supportTable 7-5 Documentation (print on demand)Description Languages Part numberService manual (this manual) English

Description Languages Part numberUser guides, continued Danish CB537-90918Dutch CB537-90919Estonian CB537-90920Finnish CB537-90921French CB537-90909Ge

Parts lists and diagramsHow to use the parts lists and diagramsThe figures in this chapter show the major subassemblies in the product and their compo

Types of screwsIllustration Description Size Part number UseScrew, RS M3X6M3X8M3X10XB2-8300-609CNXA9-1504-000CNXA9-1501-000CNUsed to secure plastic to

Quick access to product informationUse the following Web site to find information about the product.●www.hp.com/support/LJM1120Table 1-1 Product guid

Scanner assembliesFigure 7-1 Scanner assemblies1234164 Chapter 7 Parts ENWW

Table 7-6 Scanner assembliesRef Description Part number Qty1 Flatbed lid CB537-60102 12 Control-panel assembly, LJm1120 (Western) CB537-60109 12 Cont

AssembliesFigure 7-2 Assemblies1234567166 Chapter 7 Parts ENWW

Table 7-7 AssembliesRef Description Part number Qty1 Control-panel overlay See Control-panel overlayson page 157.12 Scanner spring, tension RU6-2637-

External covers and panelsFigure 7-3 External covers and panels1243756168 Chapter 7 Parts ENWW

Table 7-8 External covers and panelsRef Description Part number Qty1 Cover, rear RC2-2971-000CN 12 Cover, cartridge RC2-2960-000CN 13 Cushion, scanne

Internal components (1 of 3)Figure 7-4 Internal components (1 of 3)123170 Chapter 7 Parts ENWW

Table 7-9 Internal components (1 of 3)Ref Description Part number Qty1 Fuser assembly, 110v-220v RM1-4721-000CN 11 Fuser assembly, 220v-240v RM1-4726

Internal components (2 of 3)Figure 7-5 Internal components (2 of 3)234156172 Chapter 7 Parts ENWW

Table 7-10 Internal components (2 of 3)Ref Description Part number Qty1 Paper-pickup assembly RM1-4727-000CN 12 Roller, transfer RM1-4234-000CN 13 Ro

Product comparisonThe product is available in the following configurations.Base models Network models●Print letter-size pages at speeds up to 20 pages

Internal components (3 of 3)Figure 7-6 Internal components (3 of 3)12345174 Chapter 7 Parts ENWW

Table 7-11 Internal components (3 of 3)Ref Description Part number Qty1 Laser/scanner assembly RM1-4724-005CN 12 Motor-controller PCA RM1-4935-000CN

Alphabetical parts listTable 7-12 Alphabetical parts listDescription Part number Table and pageControl-panel assembly, LJm1120 (Asian) CB537-60110 Sc

Description Part number Table and pageLink, coupling RC2-2965-000CN Internal components (1 of 3)on page 171LJm1005 HP Jewel 7121-8285 Scanner assembli

Numerical parts listTable 7-13 Numerical parts listPart number Description Table and page7121-8285 LJm1005 HP Jewel Scanner assemblieson page 165CB53

Part number Description Table and pageRM1-3953-000CN Scanner-link assembly, left Assemblies on page 167RM1-3954-000CN Scanner-link assembly, right Ass

180 Chapter 7 Parts ENWW

A Service and supportHewlett-Packard limited warranty statementHP PRODUCT DURATION OF LIMITED WARRANTYHP LaserJet M1120 and M1120n One-year limited wa

(INCLUDING LOST PROFIT OR DATA), OR OTHER DAMAGE, WHETHER BASED IN CONTRACT, TORT, OROTHERWISE. Some countries/regions, states or provinces do not all

Print cartridge limited warranty statementThis HP product is warranted to be free from defects in materials and workmanship.This warranty does not app

Product featuresPrint●Prints letter-size pages at speeds up to 20 ppm and A4-size pages at speeds up to 19 ppm.●Prints at 600 dots per inch (dpi) and

Customer supportGet telephone support, free during your warranty period, foryour country/regionHave the product name, serial number, date of purchase,

B SpecificationsThis section contains the following information about the product:●Physical specifications●Electrical specifications●Power consumption

Physical specificationsTable B-1 Physical specificationsProduct Height Depth Width WeightHP LaserJet M1120 308 mm (12.1 in) 363 mm (14.3 in) 437 mm (

Environmental specificationsTable B-4 Environmental specifications1 Recommended Operating StorageTemperature 15° to 32.5° C(59° to 90.5° F)15° to 32.

188 Appendix B Specifications ENWW

C Regulatory informationThis section contains the following regulatory information:●FCC compliance●Environmental product stewardship program●Declarati

FCC complianceThis equipment has been tested and found to comply with the limits for a Class B digital device, pursuantto Part 15 of the FCC rules. Th

PlasticsPlastic parts over 25 grams are marked according to international standards that enhance the ability toidentify plastics for recycling purpose

package to a U.S. Postal Service carrier or drop off at a U.S.Postal Service Office. For more information,or to order additional labels or boxes for b

●HP’s end-of-life product return and recycling program●Material Safety Data SheetsVisit www.hp.com/go/environment or www.hp.com/hpinfo/globalcitizensh

Product walkaroundFront view1234561 Scanner lid2 Control panel3 Print-cartridge door latch4 Output bin5 Priority input tray6 Tray 1Back view7897 Inter

Declaration of conformityDeclaration of Conformityaccording to ISO/IEC 17050-1 and EN 17050-1Manufacturer's Name: Hewlett-Packard Company D

Safety statementsLaser safetyThe Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration hasimplemented regulations

Laser statement for FinlandLuokan 1 laserlaiteKlass 1 Laser ApparatHP LaserJet M1120, M1120n, laserkirjoitin on käyttäjän kannalta turvallinen luokan

O:󱥐表示在此部件所用的所有同 材料中，󲧽所含的此有毒或有害物 均低于 SJ/T11363-2006 的限制要求。X:󱥐表示在此部件所用的所有同 材料中，󱚢󲧽至少一 所含的此有毒或有害物 高于 SJ/T11363-2006 的限制要求。NOTE: 引用的“󱂄保使用期限”是根据在正常温度和湿度条件下

198 Appendix C Regulatory information ENWW

IndexSymbols/Numerics600 dpi print-quality setting 118Aaccessibility features 4accessoriespart numbers 152acoustic emissions 187advanced software inst

crooked pages 122curled media 122, 138cushions, scannerinstalling 70customer supportonline 184repacking device 184Ddark copying 128defaults, restorin

input trayloading media 19installtray 1 20installation, softwareadvanced 8easy 7installingWindows software 7installing hardwarescanner cushions 70inte

overlays, control panelpart numbers 157Ppackaging device 184pagesskewed 122pages per minute 4papercurled, troubleshooting 122,138feeding operations 42

paper-pickup assembly,replace 100power supply, replace 82print-cartridge door,remove 76rear cover, remove 77scanner cushions,installing 70scanner supp

Interface portsAll models have a Hi-Speed USB 2.0 port, and network models also have a 10/100 Base-T Ethernetport.211 Hi-Speed USB 2.0 port2 Ethernet

media detection 42scanner operations 36separation padreplacing 66separation pad, locating 38separation padsdiagrams 147sequence of operations 34serial

heating element 133image formation 132information pages 137jams 111lines, copies 128lines, printed pages 120loose toner 121menu map 137NVRAM initializ

206 Index ENWW

© 2008 Hewlett-Packard Development Company, L.P.www.hp.com*CB537-90945**CB537-90945*CB537-90945

Software descriptionSupported operating systemsThe product supports the following operating systems:Full software installation●Windows XP (32-bit)●Win

●Shop for HP Supplies program●Other programs◦Readiris OCR (not installed with other software; separate installation is required)Advanced installationA

Software for WindowsEmbedded Web server (network models only)Network models are equipped with an embedded Web server, which provides access to informa

Software for MacintoshEmbedded Web server (network models only)Network models are equipped with an embedded Web server, which provides access to infor

Uninstall softwareWindows1. Click Start, and then click All Programs.2. Click HP, and then click HP LaserJet M1120.3. Click Uninstall, and then follow

Media specificationsSupported paper and print media sizesThis product supports a number of paper sizes, and it adapts to various media.NOTE: To obtain

Size Dimensions Priority input tray Tray 1Envelope C5 162 x 229 mm (6.93 x 9.84 in)Envelope B5 176 x 250 mm (6.7 x 9.8 in)Envelope Monarch 98 x 191 mm

HP LaserJet M1120 MFP SeriesService Manual

14 Chapter 1 Product information ENWW

2 Installation●Site preparations●What was in the box●Install input devices●Install suppliesENWW 15

Site preparationsOperating environmentPlace the product on a sturdy, level surface in a well-ventilated area. Make sure that the air vents arenot bloc

Minimum system requirements●Windows® 2000●Windows XP●Windows Server 2003●Windows Vista●Mac OS X v10.3 and later●128 MB RAM for Windows operating syste

What was in the boxThe following components are included in the box.NOTE: The USB and network cables are not included.12345678Item Description1 HP Las

Install input devicesPriority input trayThe priority input tray is accessed from the front of the product. The product prints from the priority inputt

Tray 11. Push tray 1 into the product.2. Open the tray cover, and then adjust the media guides out.3. Load the paper in the tray, snug the media guide

Install suppliesInstall the print cartridge1. Open the print-cartridge door.2. Remove the new print cartridge from its packaging, and then rock the pr

4. Insert the cartridge into the product until it is firmly in place.5. Close the print-cartridge door.22 Chapter 2 Installation ENWW

3 Maintenance●Manage supplies●Clean the product●Management toolsENWW 23

Copyright and License© 2008 Copyright Hewlett-PackardDevelopment Company, L.P.Reproduction, adaptation, or translationwithout prior written permission

Manage suppliesInspect any parts that wear when servicing the product. Replace them as needed, based on failure orwear rather than usage.The following

Replace suppliesPrint cartridge1. Open the print-cartridge door.2. Grasp the handle on the print cartridge, and then pull the cartridge straight out t

4. Remove the orange cover from the print cartridge, and then pull the orange tab straight out toremove the sealing tape.5. Insert the cartridge into

HP fraud hotlineCall the HP fraud hotline if the product indicates that the print cartridge is not an HP print cartridge andyou think that it is genui

Clean the productClean the exteriorUse a soft, damp, lint-free cloth to wipe dust, smudges, and stains off of the exterior of the product.Clean the fl

3. Dry the backing by using a chamois or soft cloth.CAUTION: Do not use paper-based wipes because they might scratch the backing.4. If this does not c

Management toolsInformation pagesInformation pages reside within the product memory. These pages help diagnose and solve problemswith the product.NOTE

FeaturesThe EWS allows you to view product and network status and manage printing functions from a computer.With the EWS, you can complete the followi

32 Chapter 3 Maintenance ENWW

4 Operational theory●Basic operation●Scanner functions and operation●Internal components (base unit)●Engine control system●Laser/scanner system●Pickup

Table of contents1 Product informationQuick access to product information ...

Basic operationThis chapter presents an overview of the relationships between major components in the product, andincludes a detailed discussion of th

Name Timing PurposePRINT From the end of the INTR period until the primaryhigh-voltage is turned offForms the image on the photosensitive drum andtran

Scanner functions and operationThe following sections describe how the document scanner functions.Scanner functions The contact image sensor (CIS) is

Figure 4-3 Optical system (2 of 2)Scanner operationAt startup and periodically at other times, the scanner assembly moves systematically to locate it

Internal components (base unit)Figure 4-4 Cross-section of printer1 2 3 4567891011121 Fuser unit2 Pressure roller3 Fuser sleeve4 Delivery roller5 Las

Engine control systemThe engine control system coordinates all of the product functions, according to commands sent fromthe formatter. It drives the l

Figure 4-6 Engine-control-system circuit diagramAC inputMFixing unitMotorTransfer rollerHigh-voltagepower supplyLow-voltagepower supplyLaser/scanneru

Laser/scanner systemThe laser/scanner system receives video signals from the DC controller and the formatter, and thenconverts the signals into latent

Pickup/feed/delivery systemThe pickup/feed/delivery system consists of several types of feed rollers and sensors. The DC controlleruses two motors and

Image-formation system Laser printing requires the interaction of several technologies, including electronics, optics, andelectrophotographics, to pro

Install the print cartridge ... 213 MaintenanceManag

Step 2: Laser beam exposureThe laser beam scans the photosensitive drum to neutralize negative charges on parts of the drum. Anelectrostatic latent im

Figure 4-12 TransferStep 5: SeparationThe elasticity of the print media causes its separation from the photosensitive drum. A static-chargeeliminator

Figure 4-14 FusingStep 7: Drum cleaningThe cleaning blade scrapes the residual toner off of the photosensitive drum and deposits it into thewaste-ton

5 Removal and replacement●Removal and replacement strategy●Scanner assembly●Product baseENWW 47

Removal and replacement strategy●Introduction●Before performing service●After performing service●Post-service tests●Parts removal orderIntroductionThi

Electrostatic dischargeCAUTION: The product contains components that are sensitive to electrostatic discharge(ESD). Always perform service work at ES

●Place the product on an ESD mat, if one is available. If an ESD-protected workstation is notavailable, discharge body static and ground the print eng

Post-service testsAfter service has been completed, the following tests can be used to verify that the repair or replacementwas successful.Test 1 (pri

Parts removal orderUse the following diagrams to determine which parts of the product must be removed beforeservicing.NOTE: The scanner assembly might

Scanner assemblyNOTE: Your product might not appear exactly as the one shown in the photos in this chapter. Forexample, the color of the external pane

Control-panel assembly ... 58Scanner assembly ...

3. Rotate a link assembly toward the front of the product until the link disengages from the scannersupport frame.Figure 5-4 Remove the link assembli

5. Use needle-nose pliers to remove the scanner support-frame spring.Figure 5-6 Remove the link assemblies and scanner support-frame spring (4 of 4)E

Scanner lid1. Open the scanner lid. Figure 5-7 Remove the scanner lid (1 of 2)2. Lift the scanner lid straight up to remove it from the scanner assem

Control-panel overlayCarefully pry the outside edge of the control-panel overlay away from the product to remove it. CAUTION: Be careful to not damage

Control-panel assemblyCAUTION: The control-panel is an ESD-sensitive component.1. Remove the control-panel overlay. See Control-panel overlay on page

4. Disconnect one FFC (callout 2). Remove the control-panel assembly.CAUTION: Do not bend or fold the FFCs during the removal or reinstallation proces

Scanner assemblyCAUTION: Avoid touching the flatbed glass. Skin oils and fingerprints can contaminate the glass orpad and cause print-quality or paper

3. Release the bottom tab (callout 2).Figure 5-15 Remove the scanner assembly (3 of 10)24. Rotate the back side of the cover away from the product, a

5. Push the print-cartridge door button to release the scanner assembly, and then raise the assemblyuntil it locks open.Figure 5-17 Remove the scanne

7. Grasp the tab on the gear-drive arm bracket and carefully flex it away from the scanner assemblyto release the bracket.Figure 5-19 Remove the scan

Image problems ... 127Media-handling probl

9. Use a small flat-blade screwdriver to release the tabs on each link assembly.WARNING! When the links are disengaged, the scanner assembly can easil

Product baseNOTE: Your product might not appear exactly as the one shown in the photos in this chapter. Forexample, the color of the external panels a

Separation pad1. Position the product with the rear side facing you.2. Support the product and tip it forward. Remove two screws (callout 1).Figure 5-

Pickup roller1. Remove the print cartridge and locate the pickup roller. See Print cartridge on page 65.Figure 5-27 Remove the pickup roller (1 of 5)

3. Gently pull the roller up and out of the product.Figure 5-29 Remove the pickup roller (3 of 5)4. Circular and rectangular pegs on each side of the

5. Rotate the top of the pickup roller into position until the white tabs on each side of the roller snapinto place.Figure 5-31 Remove the pickup rol

Scanner cushions1. Open the print-cartridge door.2. Place a scanner cushion in each well on the scanner support frame (callout 1). Use the eraser-endo

Media input tray1. Open the media input tray lid.Figure 5-33 Remove the media input tray (1 of 3)2. Slide the adjustable media guides to the center o

3. Depress the pickup-tray locking tabs to release the media input tray, and then pull it out and awayfrom the product.Figure 5-35 Remove the media i

Transfer rollerCAUTION: Do not touch the black-sponge portion of the transfer roller. Skin oils deposited on thetransfer roller might cause print-qual

External covers and panels ... 168Internal

Side coversNOTE: The procedure for removing the right-side and left-side covers is identical. The right-side coveris shown in the following procedure.

3. Release the bottom tab (callout 3).Figure 5-39 Remove the side covers (3 of 4)34. Slightly rotate the back side of the right cover away from the p

Print-cartridge door1. Remove the scanner assembly. See Scanner assembly on page 60.2. Fully open the print-cartridge door and gently pull downward on

Rear cover and fuser cover1. Remove the right-side and left-side covers. See Side covers on page 74.2. Remove one screw (callout 1).Figure 5-43 Remov

4. Rotate the bottom of the fuser cover away from the product, and then remove the fuser cover.Figure 5-45 Remove the rear cover and fuser cover (3 o

Front cover1. Remove the right-side and left-side covers. See Side covers on page 74.2. Release the lower left-side front-cover locking tab and slight

4. Rotate the bottom of the front cover away from the product to release it.Figure 5-48 Remove the front cover (3 of 4)5. Remove the front cover.Figu

FormatterCAUTION: The formatter is an ESD-sensitive device.1. Remove the left cover. See Side covers on page 74.2. Disconnect all FFCs and wire harnes

Power supply1. Remove the following assemblies:●Right and left covers. See Side covers on page 74.●Rear cover and fuser cover. See Rear cover and fuse

4. Disconnect three FFCs (callout 5) and six wire-harness connectors (callout 6).CAUTION: Do not bend or fold the FFCs during the removal or reinstall