HP LJ M5025, LJ M5035 Service Manual

HP LaserJet M5025/M5035 MFP Series printers

Service manual

HP LaserJet M5025 and HP LaserJet M5035 Series MFP

Service Manual

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Adobe trademarks of Adobe Systems Incorporated.

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Part number: Q7829-90908

Edition 1, 10/2006

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Table of contents

1 Basics

Device comparison ............................................................................................................................... 2

Features comparison ............................................................................................................................ 3

Walkaround .......................................................................................................................................... 5

Device parts ......................................................................................................................... 5

Interface ports ...................................................................................................................... 8

Device software .................................................................................................................................... 9

Supported operating systems .............................................................................................. 9

Supported printer drivers ..................................................................................................... 9

Select the correct printer driver .......................................................................................... 10

Universal printer drivers .................................................................................... 10

Driver Autoconfiguration .................................................................................... 10

Update Now ...................................................................................................... 11

HP Driver Preconfiguration ............................................................................... 11

Priority for print settings ..................................................................................................... 11

Open the printer drivers ..................................................................................................... 12

Software for Macintosh computers .................................................................................... 13

Remove software from Macintosh operating systems ...................................... 13

Utilities ............................................................................................................................... 14

HP Web Jetadmin ............................................................................................. 14

Embedded Web server ..................................................................................... 14

Send Fax Driver ................................................................................................ 14

HP Easy Printer Care software ......................................................................... 15

Supported operating systems ........................................................... 15

Supported browsers ......................................................................... 15

Other components and utilities .......................................................................... 15

2 Installation and configuration

Site requirements ............................................................................................................................... 18

Operating environment ...................................................................................................................... 20

I/O configuration ................................................................................................................................. 21

USB configuration .............................................................................................................. 21

Network configuration ........................................................................................................ 21

Configure TCP/IPv4 parameters ....................................................................... 22

Set an IP address ............................................................................. 22

Set the subnet mask ......................................................................... 22

Set the default gateway .................................................................... 23

Configure TCP/IPv6 parameters ....................................................................... 23

Disable network protocols (optional) ................................................................. 24

ENWW iii

HP Jetdirect EIO print servers ........................................................................... 25

Installing printer memory .................................................................................................................... 26

To install printer memory ................................................................................................... 26

3 Manage and maintain the device

Use the embedded Web server .......................................................................................................... 30

Open the embedded Web server by using a network connection ..................................... 30

Embedded Web server sections ........................................................................................ 31

Use HP Web Jetadmin software ........................................................................................................ 33

Use the HP Printer Utility for Macintosh ............................................................................................. 34

Open the HP Printer Utility ................................................................................................. 34

HP Printer Utility features .................................................................................................. 35

Use the Administration menu ............................................................................................................. 36

Navigate the Administration menu ..................................................................................... 36

Information menu ............................................................................................................... 36

Default Job Options menu ................................................................................................. 37

Default Options for Originals ............................................................................. 37

Image adjustment .............................................................................................. 39

Default Copy Options ........................................................................................ 40

Default Fax Options .......................................................................................... 41

Default E-mail Options ...................................................................................... 42

Default Send to Folder Options ......................................................................... 43

Default Print Options ......................................................................................... 44

Time/Scheduling menu ...................................................................................................... 45

Management menu ............................................................................................................ 47

Initial Setup menu .............................................................................................................. 48

Networking and I/O ........................................................................................... 48

Fax Setup .......................................................................................................... 56

E-mail Setup ...................................................................................................... 59

Send Setup menu ............................................................................................. 59

Device Behavior menu ....................................................................................................... 60

Print Quality menu ............................................................................................................. 64

Troubleshooting menu ....................................................................................................... 67

Resets menu ...................................................................................................................... 76

Service menu ..................................................................................................................... 76

Use information pages ....................................................................................................... 76

Configuring and verifying an IP address ............................................................................................ 79

Identifying the TCP/IP address .......................................................................................... 79

Use automatic discovery ................................................................................... 79

Set up a dynamic host configuration protocol (DHCP) ...................................... 79

Verifying the TCP/IP configuration ..................................................................................... 79

Changing an IP address .................................................................................................... 79

Change an IP address by using HP Web Jetadmin .......................................... 79

Change an IP address by using the embedded Web server ............................. 80

Change an IP address by using the control panel ............................................ 80

Remote firmware updates ................................................................................................................. 81

Introduction ........................................................................................................................ 81

Disable IPX/SPX ............................................................................... 24

Disable AppleTalk ............................................................................. 24

Disable DLC/LLC .............................................................................. 24

iv ENWW

Print the configuration page ............................................................................. 81

Printing a menu map ........................................................................ 82

Downloading the new firmware from the HP Web site ...................................... 82

Downloading the new firmware to the device .................................................... 82

Troubleshooting firmware updates .................................................................... 82

Remote firmware update by using FTP through a browser ............................... 84

Remote firmware update by using FTP on a direct network connection ........... 85

Remote firmware update through a local MS Windows port ............................ 86

Windows NT 4.0, Windows 2000, Windows XP, Windows XP or

Windows 2003 .................................................................................. 86

Remote firmware update through a USB port ................................................... 87

Remote firmware update through an MS Windows network ............................ 88

Remote firmware update for UNIX systems ..................................................... 89

Remote firmware update by using the LPR command ..................................... 89

Remote firmware update through HP Web Jetadmin ....................................... 90

Manage supplies ................................................................................................................................ 92

Supplies life ....................................................................................................................... 92

Approximate print-cartridge replacement intervals ............................................................ 92

Manage the print cartridge ................................................................................................. 92

Print-cartridge storage ....................................................................................... 92

Use genuine HP print cartridges ....................................................................... 92

HP policy on non-HP print cartridges ................................................................ 92

Print-cartridge authentication ............................................................................ 93

HP fraud hotline and Web site .......................................................................... 93

Replace supplies and parts ................................................................................................................ 94

Supply replacement guidelines .......................................................................................... 94

Change the print cartridge ................................................................................................. 94

Perform preventive maintenance ....................................................................................... 97

Preventive maintenance for the print engine .................................................... 97

The ADF maintenance kit .................................................................................. 97

Clean the device ................................................................................................................................. 98

Clean the exterior .............................................................................................................. 98

Clean the scanner glass .................................................................................................... 98

Clean the scanner lid backing ............................................................................................ 99

Clean the ADF ................................................................................................................. 100

Clean the print engine paper path ................................................................................... 100

4 Theory of operation

MFP system overview ...................................................................................................................... 104

Print engine ...................................................................................................................................... 106

Basic sequence of operation ........................................................................................... 106

Power-on sequence ......................................................................................................... 107

Engine control system ..................................................................................................... 107

DC controller PCA ........................................................................................... 108

High-voltage power-supply PCA ..................................................................... 109

Low-voltage power-supply PCA ...................................................................... 112

Video interface control .................................................................................... 113

Laser/scanner system ...................................................................................................... 113

Image-formation system .................................................................................................. 114

Electrostatic latent-image formation block ...................................................... 116

ENWW v

Step 1: primary charging ................................................................ 116

Step 2: laser-beam exposure ......................................................... 116

Development block .......................................................................................... 117

Step 3: developing .......................................................................... 117

Transfer block ................................................................................................. 118

Step 4: image transfer .................................................................... 118

Step 5: separation from the drum ................................................... 118

Fuser block ...................................................................................................... 119

Step 6: fusing .................................................................................. 119

Drum-cleaning block ....................................................................................... 119

Step 7: drum cleaning ..................................................................... 119

Print cartridge .................................................................................................. 119

Memory tag ..................................................................................................... 120

Pickup-and-feed-system .................................................................................................. 121

Cassette paper size and presence detection .................................................. 124

Upper and lower cassette pickup mechanism ................................................. 125

Multiple-feed prevention mechanism .............................................................. 127

Tray 1 (multipurpose tray) pickup mechanism ................................................ 128

Skew-correction mechanism (registration) ...................................................... 129

Fuser/delivery block ........................................................................................ 130

Loop control .................................................................................................... 130

Jam detection .................................................................................................. 131

Duplexing unit ................................................................................................................................... 133

Duplexing reverse/feed operation .................................................................................... 134

Duplexing feed operation ................................................................................................. 135

Duplexing horizontal registration function ........................................................................ 136

Duplexing unit jam detection ............................................................................................ 137

1 x 500-sheet and 3 x 500-sheet high-capacity input feeder ............................................................ 138

Pickup/feed operation ...................................................................................................... 140

HCI pickup mechanism .................................................................................................... 142

Lift-up operation ............................................................................................................... 143

Multiple-feed prevention mechanism ............................................................................... 145

HCI jam detection ............................................................................................................ 147

Scanner component ......................................................................................................................... 148

ADF .................................................................................................................................................. 150

Input tray .......................................................................................................................... 150

ADF simplex printing operation sequence ....................................................................... 150

ADF duplex printing operation sequence ......................................................................... 151

Multifeed operation .......................................................................................................... 152

End of a scan job operation ............................................................................................. 153

Paper pick and separation operation ............................................................................... 153

Deskew ............................................................................................................................ 154

Stapler/stacker component ............................................................................................................... 155

Overview .......................................................................................................................... 155

Basic operation ................................................................................................................ 156

Control system ................................................................................................................. 15 7

Feed/stack system ........................................................................................................... 160

Staple system .................................................................................................................. 175

5 Removal and replacement

vi ENWW

Removal and replacement strategy .................................................................................................. 178

Introduction ...................................................................................................................... 178

Required tools .................................................................................................................. 179

Types of screws ............................................................................................................... 179

Service approach ............................................................................................................. 180

Before performing service ................................................................................................ 180

After performing service ................................................................................................... 180

Parts removal order ......................................................................................................... 181

User-replaceable parts ..................................................................................................................... 182

Print cartridge .................................................................................................................. 183

ADF separation pad and pickup and feed roller assemblies (removal and

replacement) .................................................................................................................... 184

Transfer roller .................................................................................................................. 187

Tray 1 pickup roller (multipurpose paper pickup roller) .................................................... 188

Tray 1 separation pad assembly (multipurpose pad assembly) ...................................... 189

Tray 2 and Tray 3 pickup rollers (paper pickup roller assembly) ..................................... 191

Tray 2 and Tray 3 separation pad assembly (separation block assembly) ...................... 193

Tray 4, Tray 5, and Tray 6 pickup and feed rollers (paper feed roller assembly) ............ 194

Fuser ................................................................................................................................ 195

Duplexer .......................................................................................................................... 198

Formatter cover and cage ................................................................................................ 199

Hard drive ........................................................................................................................ 201

Fax PCA .......................................................................................................................... 202

ADF .................................................................................................................................................. 203

ADF assembly ................................................................................................................. 204

ADF input tray sensors .................................................................................................... 206

Separation floor assembly ............................................................................................... 208

Diverter ............................................................................................................................ 210

Jam cover ........................................................................................................................ 211

Hinge assemblies ............................................................................................................ 213

Float assembly ................................................................................................................. 214

White backing .................................................................................................................. 217

Front end cover (cap) ...................................................................................................... 219

Rear end cover (cap) ....................................................................................................... 221

ADF PCA and wire harness ............................................................................................. 224

Input tray .......................................................................................................................... 226

Scanner ............................................................................................................................................ 227

Control panel ................................................................................................................... 228

Scanner controller board (SCB) and cover ...................................................................... 230

Scanner assembly ........................................................................................................... 232

Glass assembly and top cover ......................................................................................... 235

Optic assembly ................................................................................................................ 240

To reinstall the drive belt and optic assembly ................................................. 246

Page sensors ................................................................................................................... 249

Transmission assemblies and slide rail ........................................................................... 250

Stapler/stacker (HP LaserJet M5035xs only) ................................................................................... 253

Stapler/stacker assembly ................................................................................................. 254

Stapler PCA ..................................................................................................................... 257

Rear cover ....................................................................................................................... 258

Left door ........................................................................................................................... 259

ENWW vii

Output bin ........................................................................................................................ 260

Duplex cover .................................................................................................................... 261

Left cover ......................................................................................................................... 262

Right and left rear covers ................................................................................................. 264

Front door and stapler unit cover ..................................................................................... 266

Output bin stay (support arm) .......................................................................................... 270

Rear inner cover .............................................................................................................. 271

Stack cover ...................................................................................................................... 272

Stapler unit ....................................................................................................................... 273

Paper feed assembly (stapler) ........................................................................................ 275

Alignment and jogger guide assembly ............................................................................. 276

Install the alignment and jogger guide assembly ............................................ 280

Jogger guide unit ............................................................................................................. 283

Front door interlock switch ............................................................................................... 286

Print engine (base unit) .................................................................................................................... 288

Formatter cover ............................................................................................................... 290

Face-down cover ............................................................................................................. 291

Left door ........................................................................................................................... 292

Left upper cover ............................................................................................................... 293

Rear cover ....................................................................................................................... 295

Front cover ....................................................................................................................... 296

Face-down side cover ...................................................................................................... 300

Top inner cover ................................................................................................................ 302

Front inner cover .............................................................................................................. 304

Right door ........................................................................................................................ 306

Lower left cover ............................................................................................................... 308

Left rear cover .................................................................................................................. 311

Top cover ......................................................................................................................... 312

Right rear inner cover ...................................................................................................... 313

Right rear cover ............................................................................................................... 315

Left rear inner cover ......................................................................................................... 316

Print cartridge door .......................................................................................................... 318

Registration assembly ..................................................................................................... 325

Fuser pressure release assembly .................................................................................... 328

Fuser ................................................................................................................................ 329

Paper delivery assembly .................................................................................................. 330

Paper feed assembly (base unit) ..................................................................................... 332

Reinstall the paper feed assembly .................................................................. 333

Fuser fan .......................................................................................................................... 338

Fuser motor ..................................................................................................................... 339

Laser/scanner .................................................................................................................. 340

Low-voltage power supply assembly ............................................................................... 342

Interconnect PCA assembly ............................................................................................ 345

High-voltage power supply .............................................................................................. 347

Lifter drive assembly ........................................................................................................ 354

DC controller PCA ........................................................................................................... 357

Upper cassette pickup assembly ..................................................................................... 359

Lower cassette drive assembly ........................................................................................ 362

Main motor ....................................................................................................................... 363

Lower cassette pickup assembly ..................................................................................... 368

viii ENWW

High capacity input feeder ................................................................................................................ 371

6 Troubleshooting

Introduction ....................................................................................................................................... 389

Basic troubleshooting checklist ........................................................................................................ 390

Troubleshooting flowchart ................................................................................................................ 391

Control-panel message types ........................................................................................................... 396

Control-panel messages .................................................................................................................. 397

Replacement-parts configuration ..................................................................................................... 442

Guidelines for using paper ............................................................................................................... 443

Supported media weights and sizes ................................................................................................. 444

Printing internal information pages ................................................................................................... 447

Jam locations ................................................................................................................................... 448

General paper-path and jam troubleshooting ................................................................................... 449

Common causes of repeating jams .................................................................................................. 452

Solve general repeated jams ............................................................................................................ 457

Jam recovery .................................................................................................................................... 458

Clear jams ........................................................................................................................................ 459

Clear staple jams .............................................................................................................................. 472

Front door (single tray unit only) ...................................................................................... 372

Right door ........................................................................................................................ 373

Back cover ....................................................................................................................... 376

Motor(s) and PCA(s) ........................................................................................................ 377

Paper pickup assemblies ................................................................................................. 378

Right side tray rail(s) ........................................................................................................ 381

Left side tray rail(s) .......................................................................................................... 382

Lifter driver assembly ....................................................................................................... 384

Factors that affect device performance ........................................................................... 390

Power-on self diagnostic tests ......................................................................................... 391

Step 1: Does READY appear on the control-panel display? ........................................... 391

Step 2: Can you print a configuration page? ................................................................... 392

Step 3: Does the device copy? ....................................................................................... 393

Step 4: Does the job print as expected? .......................................................................... 393

Step 5: Does the printer select media from the correct trays? ......................................... 394

Formatter and dc controller .............................................................................................. 442

Formatter (new) ............................................................................................................... 442

DC controller (new or previously installed in another printer) .......................................... 442

Paper-path checklist ........................................................................................................ 449

Jams in Tray 1 ................................................................................................................. 450

Jams in Tray 2, or Tray 3 ................................................................................................ 450

Jams in the optional high capacity input feeder ............................................................... 451

Clear jams from the automatic document feeder (ADF) .................................................. 459

Clear jams from the stapler/stacker ................................................................................. 461

Clear jams from the output path ...................................................................................... 463

Clear jams from the optional duplexer ............................................................................. 464

Clear jams from the print-cartridge area .......................................................................... 466

Clear jams from the input-tray areas ............................................................................... 468

Clear jams from the Tray 1 input area ............................................................. 468

Clear jams from the Tray 2 and Tray 3 input area .......................................... 468

Clear jams from the Tray 4/5/6 input areas ..................................................... 470

ENWW ix

Solving image-quality problems ....................................................................................................... 475

Solve print-quality problems ............................................................................................ 475

Solve copy-quality problems ........................................................................... 475

Print-quality problems associated with media ................................................. 475

Print-quality problems associated with the environment ................................. 476

Print-quality problems associated with jams ................................................... 476

Image defect examples ................................................................................... 476

Light print (partial page) ................................................................................. 478

Light print (entire page) .................................................................................. 479

Specks ........................................................................................................... 480

Dropouts ......................................................................................................... 481

Lines ............................................................................................................... 483

Gray background ............................................................................................ 483

Toner smear ................................................................................................... 485

Loose toner .................................................................................................... 485

Repeating defects .......................................................................................... 487

Repeating image ............................................................................................. 487

Misformed characters ..................................................................................... 488

Page skew ....................................................................................................... 489

Curl or wave ................................................................................................... 490

Wrinkles or creases ........................................................................................ 490

White lines ...................................................................................................... 491

Tire tracks ...................................................................................................... 491

White spots on black ...................................................................................... 492

Scattered lines ............................................................................................... 492

Blurred print .................................................................................................... 493

Random image repetition ............................................................................... 493

Solve copy-quality problems ............................................................................................ 494

ADF image-quality problems ........................................................................... 494

Blank page (ADF) ........................................................................... 494

Page skew (ADF) ........................................................................... 495

Horizontal lines (ADF) .................................................................... 495

Image shifted (ADF) ....................................................................... 495

Unexpected Image (ADF) ............................................................... 496

Flatbed glass image-quality problems ............................................................. 496

Poor uniformity (flatbed) ................................................................. 496

Poor uniformity gradual (flatbed) .................................................... 496

Lamp inverter failure (flatbed) ......................................................... 496

Streaks on page (flatbed) ............................................................... 497

Unexpected results (flatbed) ........................................................... 497

Solve copy problems ....................................................................................................... 497

Media-handling problems ................................................................................ 497

Performance problems .................................................................................... 499

Troubleshooting communication interfaces ...................................................................................... 500

Check communications .................................................................................................... 500

Troubleshooting the EIO ................................................................................. 500

Jetdirect page ................................................................................. 500

Boot key sequences ......................................................................................................................... 502

Low-level boot key sequences ......................................................................................... 503

Mid-level boot key sequences ......................................................................................... 504

x ENWW

High-level boot key sequences ........................................................................................ 504

Control-panel boot sequence calibration ......................................................................... 505

Engine test (formatter removed) ...................................................................................... 505

Service menu ................................................................................................................................... 507

Accessing the service menu ............................................................................................ 507

Service ID ........................................................................................................................ 509

Restoring the service ID .................................................................................. 510

Convert the service ID to an actual date ......................................................... 510

Troubleshooting menu ...................................................................................................................... 511

Accessing the troubleshooting menu ............................................................................... 511

Calibrate the scanner ....................................................................................................... 515

Use the control panel ....................................................................................................................... 516

Control-panel layout ......................................................................................................... 516

Home screen ................................................................................................................... 517

Buttons on the touchscreen ............................................................................................. 518

Control-panel help system ............................................................................................... 518

Solve fax problems ........................................................................................................................... 519

Solve sending problems .................................................................................................. 519

Solve receiving problems ................................................................................................. 520

Solve e-mail problems ...................................................................................................................... 522

Validate the SMTP gateway address ............................................................................... 522

Validate the LDAP gateway address ............................................................................... 522

Diagrams .......................................................................................................................................... 523

ADF .................................................................................................................................. 523

Sensors (ADF) ................................................................................................ 523

Wiring diagram (ADF) ..................................................................................... 524

Scanner ........................................................................................................................... 525

Components (scanner) .................................................................................... 525

Wiring diagram (scanner) ................................................................................ 526

Stapler/stacker ................................................................................................................. 527

External panels and covers (stapler/stacker) .................................................. 527

Sensors (stapler/stacker) ................................................................................ 528

PCA (stapler/stacker) ...................................................................................... 529

Wiring diagram (stapler/stacker) ..................................................................... 530

Engine (base unit) ............................................................................................................ 531

Engine (base unit) ........................................................................................... 531

Interface connections (engine) ........................................................................ 532

External panels and covers (engine) ............................................................... 533

Major components (engine) ............................................................................ 535

Motors and fans (engine) ................................................................................ 536

PCAs (engine) ................................................................................................. 537

Sensors and switches (engine) ....................................................................... 538

DC controller PCA connectors (engine) .......................................................... 539

DC controller input/output signals (engine) ..................................................... 541

Wiring diagrams (engine) ................................................................................ 546

Timing diagram (engine) ................................................................................. 548

High capacity input feeder ............................................................................................... 549

External covers and panels (HCI) ................................................................... 549

Major components (HCI) ................................................................................. 550

Motor(s) and PCA(s) (HCI) .............................................................................. 551

ENWW xi

Repetitive defect ruler ...................................................................................................... 554

Interlocks and linkages .................................................................................................... 555

Print cartridge and MFP contacts .................................................................................... 563

Known issues ................................................................................................................................... 565

Control-panel ESD disruption .......................................................................................... 565

Clearing a jam from the right (print cartridge) side ......................................................... 565

Loading Tray 2/3/4/5 with letter or A4 media ................................................................... 566

The stapler/stacker only staples letter and A4 media ...................................................... 566

Formatter cage does not properly seat ............................................................................ 566

RFU with a SCB firmware upgrade .................................................................................. 566

RFU with a DC controller firmware update ...................................................................... 566

EIO device does not properly seat ................................................................................... 566

Print cartridge cannot be removed ................................................................................... 566

False left door open error message ................................................................................. 567

Dark or flickering control-panel display ............................................................................ 567

Fuser edge overheat slowdown ....................................................................................... 567

7 Parts and diagrams

Parts ................................................................................................................................................. 571

How to use the parts lists and diagrams .......................................................................................... 572

Types of screws ............................................................................................................................... 572

Related documentation and software ............................................................................................... 573

Accessories, supplies, and whole unit components ......................................................................... 573

Automatic document feeder (whole unit) .......................................................................................... 582

Front end cover (ADF) ...................................................................................................................... 584

Hinges (ADF) .................................................................................................................................... 586

Base assembly (ADF) ...................................................................................................................... 588

Backbone assembly (ADF) ............................................................................................................... 590

Jam Cover (ADF) ............................................................................................................................. 594

Pickup roller assembly (ADF) ........................................................................................................... 596

Separation pad assembly (ADF) ...................................................................................................... 598

Separation floor assembly (ADF) ..................................................................................................... 600

Scanner assembly base ................................................................................................................... 602

Carriage assembly (scanner; optical assembly) ............................................................................... 604

Scanner top assembly ...................................................................................................................... 606

Scanner controller board (SCB) assembly ....................................................................................... 608

Scanner lid sensor assembly ........................................................................................................... 610

Scanner transmission drive assembly .............................................................................................. 612

Stapler/stacker assembly main body ................................................................................................ 614

Paper feed assembly (stapler/stacker) ............................................................................................. 618

Alignment and jogger assembly (stapler/stacker) ............................................................................ 620

Stapler assembly (stapler/stacker) ................................................................................................... 624

Stapler/stacker PCA ......................................................................................................................... 626

Print engine external covers and panels .......................................................................................... 628

Cartridge door assembly (print engine) ............................................................................................ 632

Internal components (print engine 1 of 3) ......................................................................................... 636

Internal components (print engine; 2 of 3) ........................................................................................ 640

Internal components (print engine; 3 of 3) ........................................................................................ 644

Sensors (HCI) ................................................................................................. 552

Wiring diagrams (HCI) ..................................................................................... 553

xii ENWW

Paper delivery assembly (print engine) ............................................................................................ 648

Lifter drive assembly (print engine) .................................................................................................. 652

Fuser drive assembly (print engine) ................................................................................................. 654

Lower drive assembly (print engine) ................................................................................................ 656

Upper cassette (print engine) ........................................................................................................... 658

Lower cassette (print engine) ........................................................................................................... 662

Upper cassette pickup assembly (print engine) ............................................................................... 666

Lower cassette pickup assembly (print engine) ............................................................................... 670

Registration assembly (print engine) ................................................................................................ 674

Paper feed assembly (print engine) ................................................................................................. 676

PCA assemblies (print engine) ......................................................................................................... 678

Fuser (print engine) .......................................................................................................................... 680

Fuser pressure release assembly (print engine) .............................................................................. 684

High capacity input (HCI) 1X500 feeder main body ......................................................................... 686

High capacity input (HCI) 3X500 feeder main body ......................................................................... 690

Lifter drive assembly (HCI) ............................................................................................................... 694

Cassette (HCI) .................................................................................................................................. 696

Paper pickup assembly (HCI) ........................................................................................................... 700

HCI PCA assemblies ........................................................................................................................ 704

Alphabetical parts list ....................................................................................................................... 706

Numerical parts list ........................................................................................................................... 764

Appendix A Specifications

Physical specifications ..................................................................................................................... 824

Electrical specifications .................................................................................................................... 825

Acoustic emissions ........................................................................................................................... 826

Operating environment ..................................................................................................................... 826

Appendix B Service and support

Hewlett-Packard limited warranty statement .................................................................................... 827

Customer self repair warranty service .............................................................................................. 828

Print cartridge limited warranty statement ........................................................................................ 829

HP Customer Care ........................................................................................................................... 830

Online Services ................................................................................................................ 830

Telephone support ........................................................................................................... 830

Software utilities, drivers, and electronic information ....................................................... 830

HP direct ordering for accessories or supplies ................................................................ 830

HP service information ..................................................................................................... 830

HP service agreements ................................................................................................... 830

HP Easy Printer Care software ........................................................................................ 831

HP support and information for Macintosh computers ..................................................... 831

HP maintenance agreements ........................................................................................................... 832

On-site service agreements ............................................................................................. 832

Next-day on-site service .................................................................................. 832

Weekly (volume) on-site service ..................................................................... 832

Repacking the device ...................................................................................................... 832

Extended warranty ........................................................................................................... 833

Appendix C Regulatory information

ENWW xiii

FCC regulations ............................................................................................................................... 836

Environmental product stewardship program ................................................................................... 837

Protecting the environment .............................................................................................. 837

Ozone production ............................................................................................................ 837

Power consumption ......................................................................................................... 837

Toner consumption .......................................................................................................... 837

Paper use ........................................................................................................................ 837

Plastics ............................................................................................................................ 837

HP LaserJet print supplies ............................................................................................... 838

HP print supplies returns and recycling program information .......................................... 838

Paper ............................................................................................................................... 838

Material restrictions .......................................................................................................... 839

Disposal of waste equipment by users in private households in the European

Union ............................................................................................................................... 839

Material Safety Data Sheet (MSDS) ................................................................................ 840

For more information ....................................................................................................... 840

Telecom statement ........................................................................................................................... 841

Declaration of conformity .................................................................................................................. 842

Safety statements ............................................................................................................................. 843

Laser safety ..................................................................................................................... 843

Canadian DOC regulations .............................................................................................. 843

VCCI statement (Japan) .................................................................................................. 843

EMI statement (Korea) ..................................................................................................... 843

EMI statement (Taiwan) ................................................................................................... 843

Laser statement for Finland ............................................................................................. 843

Index ................................................................................................................................................................. 845

xiv ENWW

List of tables

Table 3-1 Information menu ............................................................................................................................. 36

Table 3-2 Default Options for Originals menu .................................................................................................. 38

Table 3-3 Image adjustment ............................................................................................................................. 39

Table 3-4 Default Copy Options menu ............................................................................................................. 40

Table 3-5 Fax Send menu ................................................................................................................................ 41

Table 3-6 Fax Receive menu ........................................................................................................................... 41

Table 3-7 Default Print Options menu .............................................................................................................. 44

Table 3-8 Time/Scheduling menu .................................................................................................................... 45

Table 3-9 Management menu .......................................................................................................................... 47

Table 3-10 Networking and I/O ........................................................................................................................ 48

Table 3-11 Jetdirect menus .............................................................................................................................. 48

Table 3-12 Fax Setup menu ............................................................................................................................. 56

Table 3-13 E-mail Setup menu ......................................................................................................................... 59

Table 3-14 Send Setup menu .......................................................................................................................... 59

Table 3-15 Device Behavior menu ................................................................................................................... 60

Table 3-16 Print Quality menu .......................................................................................................................... 64

Table 3-17 Troubleshooting menu ................................................................................................................... 67

Table 3-18 Print/stop test time values (simplex print jobs) ............................................................................... 73

Table 3-19 Print/stop test time values (duplex print jobs) ................................................................................ 74

Table 3-20 Resets menu .................................................................................................................................. 76

Table 3-21 Troubleshooting a firmware update .............................................................................................. 83

Table 3-22 Troubleshooting a failed firmware update ...................................................................................... 83

Table 3-23 Update messages .......................................................................................................................... 83

Table 4-1 DC controller connections .............................................................................................................. 104

Table 4-2 Scanner controller board (SCB) connections ................................................................................. 105

Table 4-3 Sequence of operation (engine) ..................................................................................................... 106

Table 4-4 Duplexing unit jam detection .......................................................................................................... 137

Table 4-5 HCI paper pickup/feed operation ................................................................................................... 140

Table 4-6 Motor control circuit ........................................................................................................................ 160

Table 6-1 Control-panel LED cycles ............................................................................................................... 391

Table 6-2 Control-panel messages ................................................................................................................ 397

Table 6-3 Tray 1 specifications ...................................................................................................................... 444

Table 6-4 Tray 2 specifications ...................................................................................................................... 444

Table 6-5 Tray 3 specifications ...................................................................................................................... 444

Table 6-6 Optional trays 4, 5, and 6 specifications ........................................................................................ 445

Table 6-7 Specifications for automatic 2-sided printing ................................................................................. 445

Table 6-8 Specifications for automatic stapling and stacking ........................................................................ 445

Table 6-9 Specifications for the automatic document feeder (ADF) .............................................................. 446

Table 6-10 Causes for jams in Tray 1 ............................................................................................................ 450

ENWW xv

Table 6-11 Causes for jams in Tray 2, or Tray 3 ............................................................................................ 450

Table 6-12 Causes for jams in the optional HCI feeder ................................................................................. 451

Table 6-13 General jam causes ..................................................................................................................... 452

Table 6-14 ADF jams ..................................................................................................................................... 452

Table 6-15 Tray 1 jams .................................................................................................................................. 453

Table 6-16 Tray 2 and Tray 3 jams ................................................................................................................ 453

Table 6-17 Transfer and feed jams ................................................................................................................ 454

Table 6-18 Fuser and delivery jams ............................................................................................................... 454

Table 6-19 HCI feeder jams (Tray 4/5/6 jams) ............................................................................................... 454

Table 6-20 Duplexer jams .............................................................................................................................. 455

Table 6-21 Stapler/stacker jams ..................................................................................................................... 455

Table 6-22 Image defect examples ................................................................................................................ 476

Table 6-23 Image defect examples (ADF) ..................................................................................................... 477

Table 6-24 Sensors (ADF) ............................................................................................................................. 523

Table 6-25 Components (scanner) ................................................................................................................. 525

Table 6-26 External covers and panels (stapler/stacker) ............................................................................... 527

Table 6-27 PCA (stapler/stacker) ................................................................................................................... 529

Table 6-28 Engine (base unit) ........................................................................................................................ 531

Table 6-29 Interface connections (engine) ..................................................................................................... 532

Table 6-30 External panels and covers (engine) ........................................................................................... 533

Table 6-31 Major components (engine) ......................................................................................................... 535

Table 6-32 Motors and fans (engine) ............................................................................................................. 536

Table 6-33 PCAs (engine) .............................................................................................................................. 537

Table 6-34 Sensors and switches (engine) .................................................................................................... 538

Table 6-35 Sensors and switches (engine; duplexer) .................................................................................... 539

Table 6-36 Engine dc controller PCA (engine) ............................................................................................... 539

Table 6-37 External covers and panels (HCI) ................................................................................................ 549

Table 6-38 Major components (HCI) .............................................................................................................. 550

Table 6-39 Motor(s) and PCA(s) (HCI) ........................................................................................................... 551

Table 6-40 Sensors (HCI) .............................................................................................................................. 552

Table 6-41 Interlocks and linkages ................................................................................................................ 555

Table 7-1 Technical support Web sites .......................................................................................................... 573

Table 7-2 Accessories and supplies ............................................................................................................... 573

Table 7-3 ADF ................................................................................................................................................ 583

Table 7-4 Front end cover (ADF) ................................................................................................................... 585

Table 7-5 Hinges ............................................................................................................................................ 587

Table 7-6 Base assembly (ADF) .................................................................................................................... 589

Table 7-7 Backbone assembly (ADF) ............................................................................................................ 591

Table 7-8 Jam cover (ADF) ............................................................................................................................ 595

Table 7-9 Pickup roller assembly (ADF) ......................................................................................................... 597

Table 7-10 Separation pad assembly (ADF) .................................................................................................. 599

Table 7-11 Separation floor assembly (ADF) ................................................................................................. 601

Table 7-12 Scanner assembly base ..............................................................................................

Table 7-13 Carriage assembly (scanner; optical assembly) .......................................................................... 605

Table 7-14 Scanner top assembly .................................................................................................................. 607

Table 7-15 Scanner controller board (SCB) assembly ................................................................................... 609

Table 7-16 Scanner lid sensor assembly ....................................................................................................... 611

Table 7-17 Scanner transmission drive assembly .......................................................................................... 613

Table 7-18 Main body (stapler/stacker) .......................................................................................................... 615

Table 7-19 Paper feed assembly (stapler/stacker) ........................................................................................ 619

................. 603

xvi ENWW

Table 7-20 Alignment and jogger assembly (stapler/stacker) ........................................................................ 621

Table 7-21 Stapler assembly (stapler/stacker) ............................................................................................... 625

Table 7-22 Stapler/stacker PCA assembly ..................................................................................................... 627

Table 7-23 External panels and covers (print engine) ................................................................................... 629

Table 7-24 Cartridge door assembly (print engine) ........................................................................................ 633

Table 7-25 Internal components (1 of 3) (print engine) .................................................................................. 637

Table 7-26 Internal components (2 of 3) (print engine) .................................................................................. 641

Table 7-27 Internal components (3 of 3) (print engine) .................................................................................. 645

Table 7-28 Paper delivery assembly (print engine) ........................................................................................ 649

Table 7-29 Lifter drive assembly (print engine) .............................................................................................. 653

Table 7-30 Fuser drive assembly (print engine) ............................................................................................. 655

Table 7-31 Lower drive assembly (print engine) ............................................................................................ 657

Table 7-32 Upper cassette (print engine) ....................................................................................................... 659

Table 7-33 Lower cassette (print engine) ....................................................................................................... 663

Table 7-34 Upper cassette pickup assembly (print engine) ........................................................................... 667

Table 7-35 Lower cassette pickup assembly (print engine) ........................................................................... 671

Table 7-36 Registration assembly (print engine) ........................................................................................... 675

Table 7-37 Paper feed assembly (print engine) ............................................................................................. 677

Table 7-38 PCA assemblies ........................................................................................................................... 679

Table 7-39 Fuser (print engine) ...................................................................................................................... 681

Table 7-40 Fuser pressure release assembly (print engine) .......................................................................... 685

Table 7-41 1X500 HCI main body .................................................................................................................. 687

Table 7-42 3X500 HCI main body .................................................................................................................. 691

Table 7-43 Lifter drive assembly (HCI) ........................................................................................................... 695

Table 7-44 Cassette (HCI) ............................................................................................................................. 697

Table 7-45 Paper pickup assembly (HCI) ...................................................................................................... 701

Table 7-46 PCA assemblies ........................................................................................................................... 705

Table 7-47 Alphabetical parts list ................................................................................................................... 706

Table 7-48 Numerical parts list ....................................................................................................................... 764

Table A-1 Dimensions .................................................................................................................................... 824

Table A-2 Dimensions with all doors and trays fully opened .......................................................................... 824

Table A-3 Power requirements ....................................................................................................................... 825

Table A-4 Power consumption (average, in watts) ........................................................................................ 825

Table A-5 Sound power and pressure level, .................................................................................................. 826

Table A-6 Necessary conditions ..................................................................................................................... 826

ENWW xvii

xviii ENWW

List of figures

Figure 1-1 HP LaserJet M5025 MFP and HP LaserJet M5035 MFP ................................................................. 5

Figure 1-2 HP LaserJet M5035X MFP ............................................................................................................... 6

Figure 1-3 HP LaserJet M5035XS MFP ............................................................................................................. 7

Figure 2-1 MFP deminsions (1 of 3) ................................................................................................................. 18

Figure 2-2 MFP deminsions (2 of 3) ................................................................................................................. 18

Figure 2-3 MFP deminsions (3 of 3) ................................................................................................................. 19

Figure 2-4 USB connection .............................................................................................................................. 21

Figure 4-1 MFP system block diagram ........................................................................................................... 104

Figure 4-2 Device function block diagram ..................................................................................................... 106

Figure 4-3 Engine control system ................................................................................................................... 107

Figure 4-4 DC controller PCA ......................................................................................................................... 108

Figure 4-5 High-voltage power-supply PCA block diagram ........................................................................... 109

Figure 4-6 Fuser unit ...................................................................................................................................... 110

Figure 4-7 Fuser control circuit ....................................................................................................................... 111

Figure 4-8 Low-voltage power-supply PCA block diagram ............................................................................ 112

Figure 4-9 Video interface control signal flow ................................................................................................ 113

Figure 4-10 Laser/scanner system ................................................................................................................. 114

Figure 4-11 Image-formation system ............................................................................................................ 115

Figure 4-12 Image-formation process ........................................................................................................... 116

Figure 4-13 Primary charging ......................................................................................................................... 116

Figure 4-14 Laser-beam exposure ................................................................................................................. 117

Figure 4-15 Image transfer ............................................................................................................................. 118

Figure 4-16 Separation from the drum ........................................................................................................... 118

Figure 4-17 Fusing ........................................................................................................................................ 119

Figure 4-18 Print cartridge (placeholder for 2–4–8) ....................................................................................... 120

Figure 4-19 Pickup-and-feed-system ............................................................................................................. 122

Figure 4-20 Pickup/feed system blocks .......................................................................................................... 123

Figure 4-21 Paper size and cassette presence detection .............................................................................. 124

Figure 4-22 Upper and lower cassette pickup mechanism ............................................................................ 125

Figure 4-23 Upper cassette lifting operation .................................................................................................. 126

Figure 4-24 Multiple feed prevention mechanism .......................................................................................... 127

Figure 4-25 Skew-correction mechanism ....................................................................................................... 129

Figure 4-26 Loop control mechanism ............................................................................................................. 130

Figure 4-27 Duplexing unit paper path ........................................................................................................... 133

Figure 4-28 Signal flow for the duplexing driver PCA .................................................................................... 133

Figure 4-29 Duplexing reverse/feed operation ............................................................................................... 134

Figure 4-30 Horizontal registration function ................................................................................................... 136

Figure 4-31 HCI paper path ............................................................................................................................ 138

Figure 4-32 Signal flow of the HCI driver ...................................................................................................... 139

ENWW xix

Figure 4-33 HCI paper pickup/feed operation ................................................................................................ 140

Figure 4-34 HCI pickup mechanism ............................................................................................................... 142

Figure 4-35 Lift-up operation .......................................................................................................................... 144

Figure 4-36 Multiple-feed prevention mechanism .......................................................................................... 146

Figure 4-37 ADF operation ............................................................................................................................. 150

Figure 4-38 Simplex scanning document path ............................................................................................... 151

Figure 4-39 Duplex scanning document path ................................................................................................ 152

Figure 4-40 ADF paper pick and separation .................................................................................................. 154

Figure 4-41 Stapler/stacker ............................................................................................................................ 155

Figure 4-42 Stapler/stacker operation ............................................................................................................ 156

Figure 4-43 Power ON sequence ................................................................................................................... 157

Figure 4-44 Control system ............................................................................................................................ 158

Figure 4-45 Staple stacker driver PCA ........................................................................................................... 159

Figure 4-46 Feed/stack system ...................................................................................................................... 161

Figure 4-47 Staple mode (1 of 7) ................................................................................................................... 162

Figure 4-48 Staple mode (2 of 7) ................................................................................................................... 163

Figure 4-49 Staple mode (3 of 7) ................................................................................................................... 163

Figure 4-50 Staple mode (4 of 7) ................................................................................................................... 164

Figure 4-51 Staple mode (5 of 7) ................................................................................................................... 164

Figure 4-52 Staple mode (6 of 7) ................................................................................................................... 165

Figure 4-53 Staple mode (7 of 7) ................................................................................................................... 165

Figure 4-54 Stacking roller separation control ............................................................................................... 166

Figure 4-55 Stacking roller separation control process (1 of 2) ..................................................................... 167

Figure 4-56 Stacking roller separation control process (2 of 2) ..................................................................... 167

Figure 4-57 Stacking roller separation detection ............................................................................................ 168

Figure 4-58 Paper pile alignment control ....................................................................................................... 168

Figure 4-59 Paper pile alignment control process (1 of 2) ............................................................................. 169

Figure 4-60 Paper pile alignment control process (2 of 2) ............................................................................. 169

Figure 4-61 Jogger control ............................................................................................................................. 170

Figure 4-62 Jogger control process (1 of 4) ................................................................................................... 170

Figure 4-63 Jogger control process (2 of 4) ................................................................................................... 170

Figure 4-64 Jogger control process (3 of 4) ................................................................................................... 171

Figure 4-65 Jogger control process (4 of 4) ................................................................................................... 171

Figure 4-66 Jogger position control ................................................................................................................ 172

Figure 4-67 Stamping control ......................................................................................................................... 173

Figure 4-68 Staple system operation ............................................................................................................. 175

Figure 5-1 Screwdrivers ................................................................................................................................. 179

Figure 5-2 Remove the print cartridge (1 of 2) ............................................................................................... 183

Figure 5-3 Remove the print cartridge (2 of 2) ............................................................................................... 183

Figure 5-4 Remove the ADF separation pad and pickup and feed roller assemblies (1 of 5) ........................ 184

Figure 5-5 Remove the ADF separation pad and pickup and feed roller assemblies (2 of 5) ........................ 184

Figure 5-6 Remove the ADF separation pad and pickup and feed roller assemblies (3 of 5) ........................ 185

Figure 5-7 Remove the ADF separation pad and pickup and feed roller assemblies (4 of 5) ........................ 185

Figure 5-8 Remove the ADF separation pad and pickup and feed roller assemblies (5 of 5) ........................ 186

Figure 5-9 Remove the transfer roller (1 of 2) ................................................................................................ 187

Figure 5-10 Remove the transfer roller (2 of 2) .............................................................................................. 187

Figure 5-11 Remove the Tray 1 pickup roller (1 of 2) ..................................................................................... 188

Figure 5-12 Remove the Tray 1 pickup roller (2 of 2) ..................................................................................... 188

Figure 5-13 Remove the Tray 1 separation pad assembly (1 of 3; front retainer shown) .............................. 189

Figure 5-14 Remove the Tray 1 separation pad assembly (2 of 3) ................................................................ 189

xx ENWW

Figure 5-15 Remove the Tray 1 separation pad assembly (3 of 3) ................................................................ 190

Figure 5-16 Remove the Tray 2 and Tray 3 pickup rollers (1 of 4) ................................................................ 191

Figure 5-17 Remove the Tray 2 and Tray 3 pickup rollers (2 of 4) ................................................................ 191

Figure 5-18 Remove the Tray 2 and Tray 3 pickup rollers (3 of 4) ................................................................ 192

Figure 5-19 Remove the Tray 2 and Tray 3 pickup rollers (4 of 4) ................................................................ 192

Figure 5-20 Remove the Tray 2 and Tray 3 separation pad assembly (1 of 2) .............................................. 193

Figure 5-21 Remove the Tray 2 and Tray 3 separation pad assembly (2 of 2) .............................................. 193

Figure 5-22 Remove the Tray 4, Tray 5, and Tray 6 pickup and feed rollers ................................................. 194

Figure 5-23 Remove the fuser (1 of 6) ........................................................................................................... 195

Figure 5-24 Remove the fuser (2 of 6) ........................................................................................................... 195

Figure 5-25 Remove the fuser (3 of 6) ........................................................................................................... 196

Figure 5-26 Remove the fuser (4 of 6) ........................................................................................................... 196

Figure 5-27 Remove the fuser (5 of 6) ........................................................................................................... 197

Figure 5-28 Remove the fuser (6 of 6) ........................................................................................................... 197

Figure 5-29 Remove the duplexer .................................................................................................................. 198

Figure 5-30 Remove the formatter cover and cage (1 of 3) ........................................................................... 199

Figure 5-31 Remove the formatter cover and cage (2 of 3) ........................................................................... 199

Figure 5-32 Remove the formatter cover and cage (3 of 3) ........................................................................... 200

Figure 5-33 Reinstall the formatter cage ........................................................................................................ 200

Figure 5-34 Remove the hard drive (1 of 2) ................................................................................................... 201

Figure 5-35 Remove the hard drive (2 of 2) ................................................................................................... 201

Figure 5-36 Remove the Fax PCA (1 of 2) ..................................................................................................... 202

Figure 5-37 Remove the Fax PCA (2 of 2) ..................................................................................................... 202

Figure 5-38 Remove the ADF (1 of 4) ............................................................................................................ 204

Figure 5-39 Remove the ADF (2 of 4) ............................................................................................................ 204

Figure 5-40 Remove the ADF (3 of 4) ............................................................................................................ 205

Figure 5-41 Remove the ADF (4 of 4) ............................................................................................................ 205

Figure 5-42 Remove the ADF sensors (1 of 2) .............................................................................................. 206

Figure 5-43 Remove the ADF sensors (2 of 2) .............................................................................................. 207

Figure 5-44 Remove the ADF separation floor assembly (1 of 4) .................................................................. 208

Figure 5-45 Remove the ADF separation floor assembly (2 of 4) .................................................................. 208

Figure 5-46 Remove the ADF separation floor assembly (3 of 4) .................................................................. 209

Figure 5-47 Remove the ADF separation floor assembly (4 of 4) .................................................................. 209

Figure 5-48 Remove the ADF diverter (1 of 2) ............................................................................................... 210

Figure 5-49 Remove the ADF diverter (2 of 2) ............................................................................................... 210

Figure 5-50 Remove the ADF jam cover (1 of 3) ........................................................................................... 211

Figure 5-51 Remove the ADF jam cover (2 of 3) ........................................................................................... 211

Figure 5-52 Remove the ADF jam cover (3 of 3) ........................................................................................... 212

Figure 5-53 Remove the ADF hinges ............................................................................................................. 213

Figure 5-54 Remove the ADF float assembly (1 of 5) .................................................................................... 214

Figure 5-55 Remove the ADF float assembly (2 of 5) .................................................................................... 214

Figure 5-56 Remove the ADF float assembly (3 of 5) .................................................................................... 215

Figure 5-57 Remove the ADF float assembly (4 of 5) .................................................................................... 215

Figure 5-58 Remove the ADF float assembly (5 of 5) .................................................................................... 216

Figure 5-59 Remove the ADF white backing (1 of 4) ..................................................................................... 217

Figure 5-60 Remove the ADF white backing (2 of 4) ..................................................................................... 217

Figure 5-61 Remove the ADF white backing (3 of 4) ..................................................................................... 218

Figure 5-62 Remove the ADF white backing (4 of 4) ..................................................................................... 218

Figure 5-63 Remove the ADF front end cover (1 of 4) ................................................................................... 219

Figure 5-64 Remove the ADF front end cover (2 of 4) ................................................................................... 219

ENWW xxi

Figure 5-65 Remove the ADF front end cover ( 3 of 4) .................................................................................. 220

Figure 5-66 Remove the ADF front end cover (4 of 4) ................................................................................... 220

Figure 5-67 Remove the ADF rear end cover (1 of 5) .................................................................................... 221

Figure 5-68 Remove the ADF rear end cover (2 of 5) .................................................................................... 221

Figure 5-69 Remove the ADF rear end cover (3 of 5) .................................................................................... 222

Figure 5-70 Remove the ADF rear end cover (4 of 5) .................................................................................... 222

Figure 5-71 Remove the ADF rear end cover (5 of 5) .................................................................................... 223

Figure 5-72 Reinstall the ADF rear end cover ................................................................................................ 223

Figure 5-73 Remove the ADF PCA and wire harness (1 of 3) ....................................................................... 224

Figure 5-74 Remove the ADF PCA and wire harness (2 of 3) ....................................................................... 224

Figure 5-75 Remove the ADF PCA and wire harness (3 of 3) ....................................................................... 225

Figure 5-76 Remove the ADF input tray (1 of 2) ............................................................................................ 226

Figure 5-77 Remove the ADF input tray (2 of 2) ............................................................................................ 226

Figure 5-78 Remove the control panel (1 of 3) .............................................................................................. 228

Figure 5-79 Remove the control panel (2 of 3) .............................................................................................. 228

Figure 5-80 Remove the control panel (3 of 3) .............................................................................................. 229

Figure 5-81 Remove the SCB (1 of 4) ............................................................................................................ 230

Figure 5-82 Remove the SCB (2 of 4) ............................................................................................................ 230

Figure 5-83 Remove the SCB (3 of 4) ............................................................................................................ 231

Figure 5-84 Remove the SCB (4 of 4) ............................................................................................................ 231

Figure 5-85 Remove the scanner (1 of 4) ...................................................................................................... 232

Figure 5-86 Remove the scanner (2 of 4) ...................................................................................................... 233

Figure 5-87 Remove the scanner (3 of 4) ...................................................................................................... 233

Figure 5-88 Remove the scanner (4 of 4) ...................................................................................................... 234

Figure 5-89 Remove the scanner glass assembly and top cover (1 of 7) ...................................................... 235

Figure 5-90 Remove the scanner glass assembly and top cover (2 of 7) ...................................................... 236

Figure 5-91 Remove the scanner glass assembly and top cover (4 of 7) ...................................................... 236

Figure 5-92 Remove the scanner glass assembly and top cover (3 of 7) ...................................................... 237

Figure 5-93 Remove the scanner glass assembly and top cover (5 of 7) ...................................................... 237

Figure 5-94 Remove the scanner glass assembly and top cover (6 of 7) ...................................................... 238

Figure 5-95 Remove the scanner glass assembly and top cover (7 of 7) ...................................................... 239

Figure 5-96 Remove the scanner optic assembly (1 of 13) ........................................................................... 240

Figure 5-97 Remove the scanner optic assembly (2 of 13) ........................................................................... 240

Figure 5-98 Remove the scanner optic assembly (3 of 13) ........................................................................... 241

Figure 5-99 Remove the scanner optic assembly (4 of 13) ........................................................................... 241

Figure 5-100 Remove the scanner optic assembly (5 of 13) ......................................................................... 242

Figure 5-101 Remove the scanner optic assembly (6 of 13) ......................................................................... 242

Figure 5-102 Remove the scanner optic assembly (7 of 13) ......................................................................... 243

Figure 5-103 Remove the scanner optic assembly (8 of 13) ......................................................................... 243

Figure 5-104 Remove the scanner optic assembly (9 of 13) ......................................................................... 244

Figure 5-105 Remove the scanner optic assembly (10 of 13) ....................................................................... 244

Figure 5-106 Remove the scanner optic assembly (11 of 13) ....................................................................... 245

Figure 5-107 Remove the scanner optic assembly (12 of 13) ....................................................................... 245

Figure 5-108 Remove the scanner optic assembly (13 of 13) ....................................................................... 246

Figure 5-109 Reinstall the optic drive belt (1 of 5) ......................................................................................... 246

Figure 5-110 Reinstall the optic drive belt (2 of 5) ......................................................................................... 247

Figure 5-111 Reinstall the optic drive belt (3 of 5) ......................................................................................... 247

Figure 5-112 Reinstall the optic drive belt (4 of 5) ......................................................................................... 248

Figure 5-113 Reinstall the optic drive belt (5 of 5) ......................................................................................... 248

Figure 5-114 Remove the scanner page sensors .......................................................................................... 249

xxii ENWW

Figure 5-115 Remove the scanner transmission assemblies and slide rail (1 of 5) ....................................... 250

Figure 5-116 Remove the scanner transmission assemblies and slide rail (2 of 5) ....................................... 251

Figure 5-117 Remove the scanner transmission assemblies and slide rail (3 of 5) ....................................... 251

Figure 5-118 Remove the scanner transmission assemblies and slide rail (4 of 5) ....................................... 252

Figure 5-119 Remove the scanner transmission assemblies and slide rail (5 of 5) ....................................... 252

Figure 5-120 Remove the stapler assembly (1 of 5) ...................................................................................... 254

Figure 5-121 Remove the stapler assembly (2 of 5) ...................................................................................... 254

Figure 5-122 Remove the stapler assembly (3 of 5) ...................................................................................... 255

Figure 5-123 Remove the stapler assembly (4 of 5) ...................................................................................... 255

Figure 5-124 Remove the stapler assembly (5 of 5) ...................................................................................... 256

Figure 5-125 Remove the stapler PCA (1 of 2) .............................................................................................. 257

Figure 5-126 Remove the stapler PCA (2 of 2) .............................................................................................. 257

Figure 5-127 Remove the stapler rear cover .................................................................................................. 258

Figure 5-128 Remove the stapler left door ..................................................................................................... 259

Figure 5-129 Remove the stapler output bin (1 of 2) ..................................................................................... 260

Figure 5-130 Remove the stapler output bin (2 of 2) ..................................................................................... 260

Figure 5-131 Remove the duplex cover ......................................................................................................... 261

Figure 5-132 Install the duplex cover ............................................................................................................. 261

Figure 5-133 Remove the stapler left cover (2 of 3) ....................................................................................... 262

Figure 5-134 Remove the stapler left cover (1 of 3) ....................................................................................... 262

Figure 5-135 Remove the stapler left cover (3 of 3) ....................................................................................... 263

Figure 5-136 Remove the stapler right and left rear covers (1 of 4) .............................................................. 264

Figure 5-137 Remove the stapler right and left rear covers (2 of 4) .............................................................. 264

Figure 5-138 Remove the stapler right and left rear covers (3 of 4) .............................................................. 265

Figure 5-139 Remove the stapler right and left rear covers (4 of 4) .............................................................. 265

Figure 5-140 Remove the stapler front door and stapler unit cover (1 of 7) .................................................. 266

Figure 5-141 Remove the stapler front door and stapler unit cover (2 of 7) .................................................. 266

Figure 5-142 Remove the stapler front door and stapler unit cover (3 of 7) .................................................. 267

Figure 5-143 Remove the stapler front door and stapler unit cover (4 of 7) .................................................. 267

Figure 5-144 Remove the stapler front door and stapler unit cover (5 of 7) .................................................. 268

Figure 5-145 Remove the stapler front door and stapler unit cover (6 of 7) .................................................. 268

Figure 5-146 Remove the stapler front door and stapler unit cover (7 of 7) .................................................. 269

Figure 5-147 Remove the stapler output bin stay (support arm) .................................................................... 270

Figure 5-148 Remove the stapler rear inner cover ........................................................................................ 271

Figure 5-149 Remove the stapler stack cover ................................................................................................ 272

Figure 5-150 Remove the stapler unit (1 of 2) ............................................................................................... 273

Figure 5-151 Remove the stapler unit (2 of 2) ............................................................................................... 273

Figure 5-152 Reinstall the stapler unit ........................................................................................................... 274

Figure 5-153 Remove the stapler paper feed assembly (1 of 3) .................................................................... 275

Figure 5-154 Remove the stapler paper feed assembly (2 of 3) .................................................................... 276

Figure 5-155 Remove the stapler paper feed assembly (3 of 3) .................................................................... 276

Figure 5-156 Remove the stapler alignment and jogger guide assembly (1 of 6) .......................................... 277

Figure 5-157 Remove the stapler alignment and jogger guide assembly (2 of 6) .......................................... 278

Figure 5-158 Remove the stapler alignment and jogger guide assembly (3 of 6) .......................................... 278

Figure 5-159 Remove the stapler alignment and jogger guide assembly (4 of 6) .......................................... 279

Figure 5-160 Remove the stapler alignment and jogger guide assembly (5 of 6) .......................................... 279

Figure 5-161 Remove the stapler alignment and jogger guide assembly (6 of 6) .......................................... 280

Figure 5-162 Install the stapler alignment and jogger guide assembly (1 of 5) .............................................. 280

Figure 5-163 Install the stapler alignment and jogger guide assembly (2 of 5) .............................................. 28

Figure 5-164 Install the stapler alignment and jogger guide assembly (3 of 5) .............................................. 281

ENWW xxiii

Figure 5-165 Install the stapler alignment and jogger guide assembly (4 of 5) .............................................. 282

Figure 5-166 Install the stapler alignment and jogger guide assembly (5 of 5) .............................................. 282

Figure 5-167 Remove the jogger guide unit (1 of 3) ...................................................................................... 283

Figure 5-168 Remove the jogger guide unit (2 of 3) ...................................................................................... 284

Figure 5-169 Remove the jogger guide unit (3 of 3) ...................................................................................... 284

Figure 5-170 Install the jogger guide unit (1 of 2) .......................................................................................... 285

Figure 5-171 Install the jogger guide unit (2 of 2) .......................................................................................... 285

Figure 5-172 Remove the front door interlock switch (1 of 3) ........................................................................ 286

Figure 5-173 Remove the front door interlock switch (2 of 3) ........................................................................ 287

Figure 5-174 Remove the front door interlock switch (3 of 3) ........................................................................ 287

Figure 5-175 Remove the base unit formatter cover ...................................................................................... 290

Figure 5-176 Remove the base unit face-down cover (1 of 2) ....................................................................... 291

Figure 5-177 Remove the base unit face-down cover (2 of 2) ....................................................................... 291

Figure 5-178 Remove the base unit left door (1 of 2) .................................................................................... 292

Figure 5-179 Remove the base unit left door (2 of 2) .................................................................................... 292

Figure 5-180 Remove the base unit left upper cover (1 of 3) ......................................................................... 293

Figure 5-181 Remove the base unit left upper cover (2 of 3) ......................................................................... 293

Figure 5-182 Remove the base unit left upper cover (3 of 3) ......................................................................... 294

Figure 5-183 Remove the base unit rear cover (1 of 2) ................................................................................. 295

Figure 5-184 Remove the base unit rear cover (2 of 2) ................................................................................. 295

Figure 5-185 Remove the base unit front cover (1 of 7) ................................................................................ 296

Figure 5-186 Remove the base unit front cover (2 of 7) ................................................................................ 296

Figure 5-187 Remove the base unit front cover (3 of 7) ................................................................................ 297

Figure 5-188 Remove the base unit front cover (4 of 7) ................................................................................ 297

Figure 5-189 Remove the base unit front cover (5 of 7) ................................................................................ 298

Figure 5-190 Remove the base unit front cover (6 of 7) ................................................................................ 298

Figure 5-191 Remove the base unit front cover (7 of 7) ................................................................................ 299

Figure 5-192 Remove the base unit face-down side cover (1 of 2) ............................................................... 300

Figure 5-193 Remove the base unit face-down side cover (2 of 2) ............................................................... 301

Figure 5-194 Remove the base unit top inner cover (1 of 2) .......................................................................... 302

Figure 5-195 Remove the base unit top inner cover (2 of 2) .......................................................................... 303

Figure 5-196 Remove the base unit front inner cover (1 of 2) ....................................................................... 304

Figure 5-197 Remove the base unit front inner cover (2 of 2) ....................................................................... 305

Figure 5-198 Remove the base unit right door (1 of 2) .................................................................................. 306

Figure 5-199 Remove the base unit right door (2 of 2) .................................................................................. 307

Figure 5-200 Install the base unit right door ................................................................................................... 307

Figure 5-201 Identify the lower left cover locking tabs ................................................................................... 308

Figure 5-202 Remove the base unit lower left cover (1 of 4) ......................................................................... 309

Figure 5-203 Remove the base unit lower left cover (2 of 4) ......................................................................... 309

Figure 5-204 Remove the base unit lower left cover (3 of 4) ......................................................................... 310

Figure 5-205 Remove the base unit lower left cover (4 of 4) ......................................................................... 310

Figure 5-206 Remove the base unit left rear cover (1 of 2) ........................................................................... 311

Figure 5-207 Remove the base unit left rear cover (2 of 2) ........................................................................... 311

Figure 5-208 Remove the base unit top cover ............................................................................................... 312

Figure 5-209 Remove the right rear inner cover (1 of 2) ................................................................................ 313

Figure 5-210 Remove the right rear inner cover (2 of 2) ................................................................................ 314

Figure 5-211 Remove the right rear cover ..................................................................................................... 315

Figure 5-212 Remove the left rear inner cover (1 of 3) .................................................................................. 316

Figure 5-213 Remove the left rear inner cover (2 of 3) .................................................................................. 317

Figure 5-214 Remove the left rear inner cover (3 of 3) .................................................................................. 317

xxiv ENWW

Figure 5-215 Remove the print cartridge door (1 of 12) ................................................................................. 318

Figure 5-216 Remove the print cartridge door (2 of 12) ................................................................................. 319

Figure 5-217 Remove the print cartridge door (3 of 12) ................................................................................. 319

Figure 5-218 Remove the print cartridge door (4 of 12) ................................................................................. 320

Figure 5-219 Remove the print cartridge door (5 of 12) ................................................................................. 320

Figure 5-220 Remove the print cartridge door (6 of 12) ................................................................................. 321

Figure 5-221 Remove the print cartridge door (7 of 12) ................................................................................. 321

Figure 5-222 Remove the print cartridge door (8 of 12) ................................................................................. 322

Figure 5-223 Remove the print cartridge door (9 of 12) ................................................................................. 322

Figure 5-224 Remove the print cartridge door (10 of 12) ............................................................................... 323

Figure 5-225 Remove the print cartridge door (11 of 12) ............................................................................... 323

Figure 5-226 Remove the print cartridge door (12 of 12) ............................................................................... 324

Figure 5-227 Remove the registration assembly (1 of 5) ............................................................................... 325

Figure 5-228 Remove the registration assembly (2 of 5) ............................................................................... 325

Figure 5-229 Remove the registration assembly (3 of 5) ............................................................................... 326

Figure 5-230 Remove the registration assembly (4 of 5) ............................................................................... 326

Figure 5-231 Remove the fuser registration assembly (5 of 5) ...................................................................... 327

Figure 5-232 Remove the fuser pressure release assembly ......................................................................... 328

Figure 5-233 Remove the fuser ...................................................................................................................... 329

Figure 5-234 Remove the paper delivery assembly (1 of 2) .......................................................................... 330

Figure 5-235 Remove the paper delivery assembly (2 of 2) .......................................................................... 331

Figure 5-236 Remove the paper feed assembly (1 of 3) ................................................................................ 332

Figure 5-237 Remove the paper feed assembly (2 of 3) ................................................................................ 332

Figure 5-238 Remove the paper feed assembly (3 of 3) ................................................................................ 333

Figure 5-239 Reinstall the paper feed assembly (1 of 8) ............................................................................... 333

Figure 5-240 Reinstall the paper feed assembly (2 of 8) ............................................................................... 334

Figure 5-241 Reinstall the paper feed assembly (3 of 8) ............................................................................... 335

Figure 5-242 Reinstall the paper feed assembly (4 of 8) ............................................................................... 335

Figure 5-243 Reinstall the paper feed assembly (5 of 8) ............................................................................... 336

Figure 5-244 Reinstall the paper feed assembly (6 of 8) ............................................................................... 336

Figure 5-245 Reinstall the paper feed assembly (7 of 8) ............................................................................... 337

Figure 5-246 Reinstall the paper feed assembly (8 of 8) ............................................................................... 337

Figure 5-247 Remove the fuser fan ................................................................................................................ 338

Figure 5-248 Remove the fuser motor ........................................................................................................... 339

Figure 5-249 Remove the laser/scanner (1 of 3) ........................................................................................... 340

Figure 5-250 Remove the laser/scanner (2 of 3) ........................................................................................... 341

Figure 5-251 Remove the laser/scanner (3 of 3) ........................................................................................... 341

Figure 5-252 Remove the low-voltage power supply assembly (1 of 4) ........................................................ 342

Figure 5-253 Remove the low-voltage power supply assembly (2 of 4) ........................................................ 343

Figure 5-254 Remove the low-voltage power supply assembly (3 of 4) ........................................................ 343

Figure 5-255 Remove the low-voltage power supply assembly (4 of 4) ........................................................ 344

Figure 5-256 Remove the interconnect PCA (1 of 3) ..................................................................................... 345

Figure 5-257 Remove the interconnect PCA (2 of 3) ..................................................................................... 346

Figure 5-258 Remove the interconnect PCA (3 of 3) ..................................................................................... 346

Figure 5-259 Remove the high-voltage power supply assembly (1 of 9) ....................................................... 347

Figure 5-260 Remove the high-voltage power supply assembly (2 of 9) ....................................................... 348

Figure 5-261 Remove the high-voltage power supply assembly (3 of 9) ....................................................... 348

Figure 5-262 Remove the high-voltage power supply assembly (4 of 9) ....................................................... 349

Figure 5-263 Remove the high-voltage power supply assembly (5 of 9) ....................................................... 349

Figure 5-264 Remove the high-voltage power supply assembly (6 of 9) ....................................................... 350

ENWW xxv

Figure 5-265 Remove the high-voltage power supply assembly (7 of 9) ....................................................... 350

Figure 5-266 Remove the high-voltage power supply assembly (8 of 9) ....................................................... 351

Figure 5-267 Remove the high-voltage power supply assembly (9 of 9) ....................................................... 352

Figure 5-268 Reinstall the high-voltage power supply assembly (1 of 3) ....................................................... 352

Figure 5-269 Reinstall the high-voltage power supply assembly (2 of 3) ....................................................... 353

Figure 5-270 Reinstall the high-voltage power supply assembly (3 of 3) ....................................................... 353

Figure 5-271 Remove the lifter driver assembly (1 of 4) ................................................................................ 354

Figure 5-272 Remove the lifter driver assembly (2 of 4) ................................................................................ 355

Figure 5-273 Remove the lifter driver assembly (3 of 4) ................................................................................ 355

Figure 5-274 Remove the lifter driver assembly (4 of 4) ................................................................................ 356

Figure 5-275 Remove the DC controller PCA (1 of 2) .................................................................................... 357

Figure 5-276 Remove the DC controller PCA (2 of 2) .................................................................................... 358

Figure 5-277 Remove the upper cassette pickup assembly (1 of 3) .............................................................. 359

Figure 5-278 Remove the upper cassette pickup assembly (2 of 3) .............................................................. 360

Figure 5-279 Remove the upper cassette pickup assembly (3 of 3) .............................................................. 360

Figure 5-280 Reinstall the upper cassette pickup assembly .......................................................................... 361

Figure 5-281 Remove the lower cassette drive assembly ............................................................................. 362

Figure 5-282 Remove the main motor (1 of 7) ............................................................................................... 363

Figure 5-283 Remove the main motor (2 of 7) ............................................................................................... 364

Figure 5-284 Remove the main motor (3 of 7) ............................................................................................... 364

Figure 5-285 Remove the main motor (4 of 7) ............................................................................................... 365

Figure 5-286 Remove the main motor (5 of 7) ............................................................................................... 365

Figure 5-287 Remove the main motor (6 of 7) ............................................................................................... 366

Figure 5-288 Remove the main motor (7 of 7) ............................................................................................... 366

Figure 5-289 Reinstall the print cartridge cam linkage (1 of 2) ...................................................................... 367

Figure 5-290 Reinstall the print cartridge cam linkage (2 of 2) ...................................................................... 367

Figure 5-291 Remove the lower cassette pickup assembly (1 of 5) .............................................................. 368

Figure 5-292 Remove the lower cassette pickup assembly (2 of 5) .............................................................. 369

Figure 5-293 Remove the lower cassette pickup assembly (3 of 5) .............................................................. 369

Figure 5-294 Remove the lower cassette pickup assembly (4 of 5) .............................................................. 370

Figure 5-295 Remove the lower cassette pickup assembly (5 of 5) .............................................................. 370

Figure 5-296 Remove the HCI front door (single tray unit only) (1 of 2) ........................................................ 372

Figure 5-297 Remove the HCI front door (single tray unit only) (2 of 2) ........................................................ 372

Figure 5-298 Remove the HCI right door (1 of 5) ........................................................................................... 373

Figure 5-299 Remove the HCI right door (2 of 5) ........................................................................................... 373

Figure 5-300 Remove the HCI right door (3 of 5) ........................................................................................... 374

Figure 5-301 Remove the HCI right door (4 of 5) ........................................................................................... 374

Figure 5-302 Remove the HCI right door (5 of 5) ........................................................................................... 375

Figure 5-303 Remove the HCI back cover (1 of 2) ........................................................................................ 376

Figure 5-304 Remove the HCI back cover (2 of 2) ........................................................................................ 376

Figure 5-305 Remove the HCI motor(s) and PCA(s) (1 of 2) ......................................................................... 377

Figure 5-306 Remove the HCI motor(s) and PCA(s) (2 of 2) ......................................................................... 377

Figure 5-307 Remove the HCI paper pickup assembly (1 of 6) ..................................................................... 378

Figure 5-308 Remove the HCI paper pickup assembly (2 of 6) ..................................................................... 378

Figure 5-309 Remove the HCI paper pickup assembly (3 of 6) ..................................................................... 379

Figure 5-310 Remove the HCI paper pickup assembly (4 of 6; middle paper pickup assembly shown) ....... 379

Figure 5-311 Remove the HCI paper pickup assembly (5 of 6) ..................................................................... 380

Figure 5-312 Remove the HCI paper pickup assembly (6 of 6) ....................................................................

Figure 5-313 Remove the HCI right side tray rail(s) (1 of 2) .......................................................................... 381

Figure 5-314 Remove the HCI right side tray rail(s) (2 of 2) .......................................................................... 381

. 380

xxvi ENWW

Figure 5-315 Remove the HCI left side tray rail(s) (1 of 3) ............................................................................. 382

Figure 5-316 Remove the HCI left side tray rail(s) (2 of 3) ............................................................................. 382

Figure 5-317 Remove the HCI left side tray rail(s) (3 of 3) ............................................................................. 383

Figure 5-318 Remove the HCI lifter driver assembly (1 of 2) ......................................................................... 384

Figure 5-319 Remove the HCI lifter driver assembly (2 of 2) ......................................................................... 384

Figure 5-320 Reinstall the HCI lifter driver assembly ..................................................................................... 385

Figure 6-1 Engine test button location ........................................................................................................... 506

Figure 6-2 Sensors (ADF) .............................................................................................................................. 523

Figure 6-3 Wiring diagram (ADF) ................................................................................................................... 524

Figure 6-4 Components (scanner) ................................................................................................................. 525

Figure 6-5 Wiring diagram (scanner) .............................................................................................................. 526

Figure 6-6 External covers and panels (stapler/stacker) ................................................................................ 527

Figure 6-7 Sensors (stapler/stacker) .............................................................................................................. 528

Figure 6-8 PCA (stapler/stacker) .................................................................................................................... 529

Figure 6-9 Wiring diagram (stapler/stacker) ................................................................................................... 530

Figure 6-10 Engine (base unit) ....................................................................................................................... 531

Figure 6-11 Engine interface connections (engine) ....................................................................................... 532

Figure 6-12 Engine external panels and covers (engine) .............................................................................. 533

Figure 6-13 Engine major components (engine) ............................................................................................ 535

Figure 6-14 Engine motors and fans (engine) ................................................................................................ 536

Figure 6-15 Engine PCAs (engine) ................................................................................................................ 537

Figure 6-16 Sensors and switches (engine) ................................................................................................... 538

Figure 6-17 Sensors and switches (engine; duplexer) ................................................................................... 539

Figure 6-18 Engine dc controller PCA (engine) ............................................................................................. 539

Figure 6-19 DC controller input/output signals (1 of 5) (engine) .................................................................... 541

Figure 6-20 DC controller input/output signals (2 of 5) (engine) .................................................................... 542

Figure 6-21 DC controller input/output signals (3 of 5) (engine) .................................................................... 543

Figure 6-22 DC controller input/output signals (4 of 5) (engine) .................................................................... 544

Figure 6-23 DC controller input/output signals (5 of 5) (engine) .................................................................... 545

Figure 6-24 Wiring diagram, engine (1 of 2) (engine) .................................................................................... 546

Figure 6-25 Wiring diagram, engine (2 of 2) (engine) .................................................................................... 547

Figure 6-26 Timing diagram (engine) ............................................................................................................. 548

Figure 6-27 External covers and panels (HCI) ............................................................................................... 549

Figure 6-28 Major components (HCI) ............................................................................................................. 550

Figure 6-29 Motor(s) and PCA(s) (HCI) ......................................................................................................... 551

Figure 6-30 Sensors (HCI) ............................................................................................................................. 552

Figure 6-31 Wiring diagram (HCI; 1 X 500-sheet feeder) .............................................................................. 553

Figure 6-32 Wiring diagram (HCI; 3 x 500-sheet feeder) ............................................................................... 554

Figure 6-33 Repetitive defect ruler ................................................................................................................. 555

Figure 6-34 Print cartridge and MFP contacts ................................................................................................ 564

Figure 7-1 ADF ............................................................................................................................................... 582

Figure 7-2 Front end cover (ADF) .................................................................................................................. 584

Figure 7-3 Hinges ........................................................................................................................................... 586

Figure 7-4 Base assembly (ADF) ................................................................................................................... 588

Figure 7-5 Backbone assembly (ADF) ........................................................................................................... 590

Figure 7-6 Jam cover (ADF) ........................................................................................................................... 594

Figure 7-7 Pickup roller assembly (ADF) ....................................................................................................... 596

Figure 7-8 Separation pad assembly (ADF) ................................................................................................... 598

Figure 7-9 Separation floor assembly (ADF) .................................................................................................. 600

Figure 7-10 Scanner assembly base .............................................................................................................. 602

ENWW xxvii

Figure 7-11 Carriage assembly (scanner; optical assembly) ......................................................................... 604

Figure 7-12 Scanner top assembly ................................................................................................................ 606

Figure 7-13 Scanner controller board (SCB) assembly ................................................................................. 608

Figure 7-14 Scanner lid sensor assembly ...................................................................................................... 610

Figure 7-15 Scanner transmission drive assembly ........................................................................................ 612

Figure 7-16 Main body (stapler/stacker) ......................................................................................................... 614

Figure 7-17 Paper feed assembly (stapler/stacker) ....................................................................................... 618

Figure 7-18 Alignment/jogger assembly (stapler/stacker) .............................................................................. 620

Figure 7-19 Stapler assembly (stapler/stacker) .............................................................................................. 624

Figure 7-20 Stapler/stacker PCA assembly ................................................................................................... 626

Figure 7-21 External panel and covers (print engine) .................................................................................... 628

Figure 7-22 Cartridge door assembly (print engine) ...................................................................................... 632

Figure 7-23 Internal components (1 of 3) (print engine) ................................................................................. 636

Figure 7-24 Internal components (2 of 3) (print engine) ................................................................................. 640

Figure 7-25 Internal components (3 of 3) (print engine) ................................................................................. 644

Figure 7-26 Paper delivery assembly (print engine) ...................................................................................... 648

Figure 7-27 Lifter drive assembly (print engine) ............................................................................................. 652

Figure 7-28 Fuser drive assembly (print engine) ............................................................................................ 654

Figure 7-29 Lower drive assembly (print engine) ........................................................................................... 656

Figure 7-30 Upper cassette (print engine) ..................................................................................................... 658

Figure 7-31 Lower cassette (print engine) ..................................................................................................... 662

Figure 7-32 Upper cassette pickup assembly (print engine) .......................................................................... 666

Figure 7-33 Lower cassette pickup assembly (print engine) .......................................................................... 670

Figure 7-34 Registration assembly (print engine) .......................................................................................... 674

Figure 7-35 Paper feed assembly (print engine) ............................................................................................ 676

Figure 7-36 PCA assemblies (print engine) ................................................................................................... 678

Figure 7-37 Fuser (print engine) ..................................................................................................................... 680

Figure 7-38 Fuser pressure release assembly (print engine) ........................................................................ 684

Figure 7-39 1X500 HCI main body ................................................................................................................. 686

Figure 7-40 3X500 HCI main body ................................................................................................................. 690

Figure 7-41 Lifter drive assembly (HCI) ......................................................................................................... 694

Figure 7-42 Cassette (HCI) ............................................................................................................................ 696

Figure 7-43 Paper pickup assembly (HCI) ..................................................................................................... 700

Figure 7-44 PCA assemblies .......................................................................................................................... 704

xxviii ENWW

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