Lexmark MS81x, MS71x Service Manual

Lexmark MS81x, MS71x printer

Machine Type 4063-2xx, -4x0, -63x, -83x

Service Manual

• Start diagnostics

• Maintenance

• Safety and notices

• Trademarks

• Index

January 08, 2013 www.lexmark.com

P/N 12G3023

Product information

Product name:
Lexmark MS71x and MS81x Series

Machine type:
4063

Model(s):
2xx, 4x0, 63x, 83x

4063

Edition notice

January 08, 2013

The following paragraph does not apply to any country where such provisions are inconsistent with local law: LEXMARK INTERNATIONAL,
INC., PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of
express or implied warranties in certain transactions; therefore, this statement may not apply to you.

This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these
changes will be incorporated in later editions. Improvements or changes in the products or the programs described may be made at any
time.

References in this publication to products, programs, or services do not imply that the manufacturer intends to make these available in all
countries in which it operates. Any reference to a product, program, or service is not intended to state or imply that only that product,
program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any existing intellectual
property right may be used instead. Evaluation and verification of operation in conjunction with other products, programs, or services,
except those expressly designated by the manufacturer, are the user’s responsibility.

Trademarks

Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other
countries.

PrintCryption is a trademark of Lexmark International, Inc.
Mac and the Mac logo are trademarks of Apple Inc., registered in the U.S. and other countries.
PCL® is a registered trademark of the Hewlett-Packard Company. PCL is Hewlett-Packard Company’s designation of a set of printer commands

(language) and functions included in its printer products. This printer is intended to be compatible with the PCL language. This means the
printer recognizes PCL commands used in various application programs, and that the printer emulates the functions corresponding to the
commands.

All other trademarks are the property of their respective owners.

© 2012 Lexmark International, Inc.
All rights reserved.

P/N 12G3023

4063

Table of contents

Product information.....................................................................................2

Edition notice...............................................................................................2

Notices and safety information..................................................................17

Laser notices............................................................................................................................................17

Safety.......................................................................................................................................................20

Preface.......................................................................................................25

Service manual conventions....................................................................................................................25

General information...................................................................................27

Printer configurations.............................................................................................................................28

Paper guidelines......................................................................................................................................30

Paper characteristics......................................................................................................................................... 30

Selecting paper ................................................................................................................................................. 31

Selecting preprinted forms and letterhead ......................................................................................................31

Using recycled paper and other office papers .................................................................................................. 31

Storing paper ....................................................................................................................................................33

Data security notice.................................................................................................................................33

Tools required for service........................................................................................................................34

Diagnostic information...............................................................................35

Troubleshooting overview.......................................................................................................................35

Performing the initial troubleshooting check ................................................................................................... 35

Error code number key ..................................................................................................................................... 36

Power‑on Reset (POR) sequence.............................................................................................................36

Using Safe Mode.....................................................................................................................................37

Fixing print quality issues........................................................................................................................37

Initial print quality check .................................................................................................................................. 38

Gray background on prints ............................................................................................................................... 39

Printer is printing blank pages ..........................................................................................................................40

Printer is printing solid black pages .................................................................................................................. 41

Repeating defects .............................................................................................................. ............................... 41

Shadow images appear on prints .....................................................................................................................42

Skewed print ..................................................................................................................................................... 43

Streaked horizontal lines appear on prints....................................................................................................... 44

Streaked vertical lines appear on prints ........................................................................................................... 46

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Toner rubs off ................................................................................................................................................... 47

Paper jams...............................................................................................................................................47

Understanding jam numbers and locations........................................................................................ ..............48

200–201 paper jams .........................................................................................................................................50

Sensor (input) static jam service check............................................................................................................. 54

Sensor (input) early arriving jam service check ................................................................................................54

Sensor (input) never‑ or late‑arriving jam service check.................................................................................. 56

Sensor (input) late-leaving or did-not-clear jam service check.........................................................................57

Main drive motor control jam service check .................................................................................................... 59

Printhead motor control jam service check......................................................................................................59

Fuser drive motor control jam service check.................................................................................................... 60

Sensor (input) miscellaneous jam 1 service check............................................................................................ 60

Sensor (input) miscellaneous jam 2 service check............................................................................................ 61

Sensor (input) miscellaneous jam 3 service check............................................................................................ 61

202 paper jams ................................................................................................................................................. 61

Sensor (fuser exit) static jam service check ...................................................................................................... 64

Sensor (fuser exit) late-leaving jam service check ............................................................................................64

Sensor (fuser exit) late-arriving jam service check ........................................................................................... 65

Sensor (narrow media) late arriving jam service check .................................................................................... 66

Sensor (narrow media) static jam service check...............................................................................................67

Sensor (fuser exit) miscellaneous jam service check ........................................................................................ 68

Fuser ID chip control jam service check............................................................................................................ 68

203 paper jams ................................................................................................................................................. 69

Upper redrive motor control jam service check ............................................................................................... 69

230 paper jams ................................................................................................................................................. 70

Sensor (duplex path) static jam service check .................................................................................................. 73

Sensor (duplex path) early arriving jam service check...................................................................................... 74

Sensor (duplex path) never‑ or late‑arriving jam service check ....................................................................... 74

Sensor (duplex path) late leaving jam service check ........................................................................................75

Duplex control jam service check ..................................................................................................................... 76

Sensor (duplex path) miscellaneous jam service check .................................................................................... 77

Sensor (input) never-arriving jam (exiting duplex) service check .....................................................................

235–2

39 paper jams ......................................................................................................................................... 78

24x paper jams.................................................................................................................................................. 79

Media feeder motor control service check.......................................................................................................81

Media tray 1, tray pulled jam ...........................................................................................................................82

Media feeder motor tray lift error service check ............................................................................................. 83

Sensor (input) never-arriving jam from tray 1 service check............................................................................ 83

250 paper jams ................................................................................................................................................. 84

Sensor (input) never-arriving jam from MPF media tray service check............................................................ 86

41y.xx paper jams ............................................................................................................................................. 88

43y.xx paper jams ............................................................................................................................................. 89

451 paper jams ................................................................................................................................................. 90

455–457 paper jams .........................................................................................................................................91

78

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User attendance messages (0-99.99)......................................................................................................94

User attendance messages (0‑99.99) ............................................................................................................... 94

Toner level sensing error check ........................................................................................................................ 99

Toner cartridge smart chip error service check ................................................................................................ 99

Imaging unit smart chip service check ............................................................................................................ 100

Fuser unit smart chip service check ................................................................................................................ 101

Printer hardware errors (100-199.99)...................................................................................................101

Printer hardware error messages(100‑199.99) .............................................................................................. 102

Printhead ID service check.............................................................................................................................. 106

Printhead service check .................................................................................................................................. 106

Fuser drive motor service check ..................................................................................................................... 107

Fuser service check ......................................................................................................................................... 107

LVPS service check .......................................................................................................................................... 108

Toner level sensing service check ...................................................................................................................108

Main drive motor service check...................................................................................................................... 109

Media feeder service check ............................................................................................................................109

Redrive motor service check........................................................................................................................... 110

Duplex motor service check..................................................................................................... ....................... 110

Toner add motor service check ...................................................................................................................... 111

Main cooling fan service check .......................................................................................................................111

Cartridge cooling fan service check ................................................................................................................ 112

LVPS cooling fan service check ....................................................................................................................... 112

HVPS cooling fan service check................................................................................................. ...................... 113

Miscellaneous cooling fan service check ........................................................................................................ 113

Firmware and/or system electronics errors (900-999.99)....................................................................113

9xx error messages ......................................................................................................................................... 114

System software error service check .............................................................................................................. 117

NVRAM mismatch failure service check ......................................................................................................... 122

Input/output option hardware errors...................................................................................................123

3xx error messages (300‑399.99) ................................................................................................................... 123

250/550-sheet transport motor failure service check .................................................................................... 128

250/550-sheet media feeder failure service check ........................................................................................130

250/550-sheet controller board failure service check.................................................................................... 132

HCIT lift drive motor failure service check......................................................................................................133

HCIT lift plate failure service check................................................................................................................. 135

HCIT transport motor failure service check .................................................................................................... 137

HCOE failure service check ............................................................................................................................. 139

Mailbox failure service check.......................................................................................................................... 140

Output expander failure service check ........................................................................................................... 141

Input/output option paper jam errors..................................................................................................143

Input option jam error messages (242‑245.99) .............................................................................................. 143

250/550-sheet media tray option jam service check......................................................................................154

HCIT jam service check ................................................................................................................................... 156

HCIT source jam service check ........................................................................................................................ 159

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4xx error messages (400‑499.99) ................................................................................................................... 161

Sensor (mailbox pass through) jam service check ..........................................................................................171

Mailbox diverter jam service check ................................................................................................................174

HCOE diverter jam service check .................................................................................................................... 175

Sensor (HCOE pass through) jam service check .............................................................................................. 177

Sensor (finisher pass through) jam service check............................................................................... ............179

Finisher left tamper jam service check ...........................................................................................................181

Finisher right tamper jam service check ......................................................................................................... 182

Finisher ejector jam service check .................................................................................................................. 184

Finisher diverter jam service check ................................................................................................................ 185

Finisher paddle jam service check .................................................................................................................. 186

Finisher tray holder jam service check ........................................................................................................... 188

Stapler carriage jam service check.................................................................................................................. 189

Output expander jam service check ...............................................................................................................191

Sensor (media in stapler) jam service check ................................................................................................... 193

Symptoms..............................................................................................................................................194

Base printer symptoms ...................................................................................................................................194

Network service check .......................................................................................................... .......................... 194

Dead machine service check ...........................................................................................................................197

Option tray symptoms ....................................................................................................................................198

250/550-sheet media type error service check .............................................................................................. 199

250/550-sheet tray undetected service check ............................................................................................... 201

HCIT incorrect media error service check .......................................................................................................202

HCIT media type error service check ..............................................................................................................204

HCIT undetected service check ....................................................................................................................... 206

HCIT media low undetected service check .....................................................................................................207

Finisher side door error service check ............................................................................................................ 209

Mailbox incorrect bin exit service check......................................................................................................... 211

Finisher cartridge error service check ............................................................................................................ 212

Finisher undetected service check.................................................................................................................. 214

Finisher bin error service check ..................................................................................................................... 215

Finisher door undetected service check ........................................................................................................216

Stapler carriage failure service check ............................................................................................................. 218

Finisher bin media present error service check ..............................................................................................219

Output expander error service check .............................................................................................................221

Service menus..........................................................................................223

Using the printer control panel.............................................................................................................223

Menus list..............................................................................................................................................224

Diagnostics menu..................................................................................................................................224

Entering diagnostics mode ............................................................................................................................. 225

REGISTRATION ................................................................................................................... ............................. 225

PRINT TESTS .................................................................................................................... ................................226

Print Quality Pages (Prt Quality Pgs) .......................................................................................................... 226

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HARDWARE TESTS ................................................................................................................. ......................... 226

Panel Test ................................................................................................................................................... 226

Button Test.................................................................................................................... ............................. 227

DRAM Test.................................................................................................................................................. 227

Serial Wrap Test .........................................................................................................................................228

USB HS Test Mode...................................................................................................................................... 228

DUPLEX TESTS .................................................................................................................................................229

Quick Test..................................................................................................................... .............................. 229

Top Margin ................................................................................................................................................. 230

Sensor Test .................................................................................................................... .............................230

Motor Test.................................................................................................................................................. 230

Duplex Feed 1............................................................................................................................................. 231

Duplex Feed 2............................................................................................................................................. 231

INPUT TRAY TESTS .......................................................................................................................................... 231

Feed Tests .................................................................................................................................................. 231

Sensor Tests ............................................................................................................................................... 232

OUTPUT BIN TESTS ......................................................................................................................................... 232

Feed Tests .................................................................................................................................................. 232

Feed To All Bins ..........................................................................................................................................232

Sensor Test .................................................................................................................... .............................233

Diverter Test............................................................................................................................................... 233

FINISHER TESTS ............................................................................................................................................... 233

Staple Test .................................................................................................................................................. 233

Hole Punch Test..........................................................................................................................................234

Feed Test (finisher)..................................................................................................................................... 234

Finisher Sensor Test ................................................................................................................................... 234

BASE SENSOR TEST..........................................................................................................................................235

DEVICE TESTS .................................................................................................................................................. 235

Quick Disk Test ........................................................................................................................................... 235

Disk Test/Clean........................................................................................................................................... 236

Flash Test.................................................................................................................................................... 236

PRINTER SETUP ............................................................................................................................................... 236

Defaults ...................................................................................................................................................... 236

Printed Page Count.....................................................................................................................................

P

ermanent Page Count (Perm page count)................................................................................................237

Processor ID................................................................................................................... .............................237

Engine Setting [x] .......................................................................................................................................238

Edge to Edge............................................................................................................................................... 238

Parallel Strobe Adjustment (Par 1 Strobe Adj) ...........................................................................................238

EP SETUP ......................................................................................................................................................... 238

EP Defaults ................................................................................................................................................. 238

Fuser Temperature (Fuser Temp)............................................................................................................... 238

Fuser Page Count .......................................................................................................................................239

Warm Up Time ...........................................................................................................................................239

Transfer ...................................................................................................................................................... 239

237

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Print Contrast ............................................................................................................................................. 239

Charge Roll ................................................................................................................................................. 239

Gap Adjust .................................................................................................................................................. 240

Automatic Darkness Adjust (Auto Dark Adj) .............................................................................................. 240

REPORTS ........................................................................................................................ ................................. 240

Menu Settings Page.................................................................................................................................... 240

Installed Licenses........................................................................................................................................241

EVENT LOG...................................................................................................................... ................................241

Display Log ................................................................................................................................................. 241

Print Log ...................................................................................................................... ............................... 241

Clear Log...................................................................................................................... ...............................241

Exit Diags......................................................................................................................................................... 242

Configuration menu..............................................................................................................................242

Entering configuration mode.................................................................................................... ...................... 243

Roller Kit Counter Value.................................................................................................................................. 243

Reset Roller Kit Counter..................................................................................................................................243

Print Quality Pages.......................................................................................................................................... 244

Reports ........................................................................................................................................................... 244

Menu Settings Page.................................................................................................................................... 244

Event Log .................................................................................................................................................... 244

Size sensing .....................................................................................................................................................244

Panel Menus .................................................................................................................... ............................... 245

PPDS Emulation .............................................................................................................................................. 245

Download Emuls ................................................................................................................. ............................245

Safe Mode....................................................................................................................................................... 245

Factory Defaults ............................................................................................................... ...............................246

Energy Conserve ................................................................................................................ .............................246

Paper Prompts ................................................................................................................................................ 246

Envelope Prompts............................................................................................................... ............................247

Action for Prompts.......................................................................................................................................... 247

Jobs on Disk .................................................................................................................................................... 248

Disk Encryption ............................................................................................................................................... 248

Erase All Information on Disk.................................................................................................. ........................ 248

Wipe All Settings .............................................................................................................. ............................... 249

Font Sharpening.............................................................................................................................................. 249

Require Standby................................................................................................................ .............................. 249

A5 Loading ...................................................................................................................................................... 249

UI Automation ................................................................................................................................................250

LES Applications .............................................................................................................................................. 250

Key Repeat Initial Delay .................................................................................................................................. 250

Key Repeat Rate.............................................................................................................................................. 250

Wiper Message ...............................................................................................................................................251

Clear Supply Usage History ............................................................................................................................. 251

Clear Custom Status........................................................................................................................................ 251

USB Speed....................................................................................................................................................... 251

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Automatically Display Error Screens ............................................................................................................... 252

USB PnP .......................................................................................................................................................... 252

Entering invalid engine mode................................................................................................................252

Entering recovery mode........................................................................................................................252

Accessing the Network SE menu...........................................................................................................253

Service Engineer menu..........................................................................................................................253

Accessing the service engineer (SE) menu...................................................................................................... 253

Service engineer (SE) menu ............................................................................................................................ 253

Repair information...................................................................................255

Removal precautions.............................................................................................................................255

Handling ESD‑sensitive parts .......................................................................................................................... 255

Controller board/control panel replacement ................................................................................................. 256

eSF solutions backup ...................................................................................................................................... 256

Ribbon cable connectors ................................................................................................................................ 257

Zero Insertion Force (ZIF) connectors ........................................................................................................ 257

Horizontal top contact connector .............................................................................................................. 258

Horizontal bottom contact connector........................................................................................................ 261

Vertical mount contact connector .............................................................................................................264

Horizontal sliding contact connector ......................................................................................................... 267

Low Insertion Force (LIF) connector............................................................................................ ............... 270

Adjustments..........................................................................................................................................271

Media aligner roller adjustment ..................................................................................................................... 272

Polygon printhead mechanical registration adjustment ................................................................................ 274

Removal procedures.............................................................................................................................277

Base printer - cover removals...............................................................................................................277

Left cover removal .......................................................................................................................................... 277

Rear lower cover removal...............................................................................................................................280

Top cover removal .......................................................................................................................................... 282

Right cover removal ............................................................................................................ ............................283

Rear door removal .......................................................................................................................................... 285

Base printer- front removals.................................................................................................................286

Duplex exit diverter removal .......................................................................................................................... 286

Front door removal............................................................................................................. ............................288

Inner guide deflector removal .................................................................................................. ...................... 289

Laser printhead removal ........................................................................................................ ......................... 291

Left inner cover removal.................................................................................................................................295

Media aligner roller removal .......................................................................................................................... 297

Media turn guide removal .............................................................................................................................. 299

Media vertical guide removal ......................................................................................................................... 300

MPF feeder lift plate removal ......................................................................................................................... 302

MPF pick roller removal .................................................................................................................................. 305

MPF tray removal ...........................................................................................................................................308

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Right inner cover removal ...................................................................................................... ........................ 309

Sensor (input) removal ................................................................................................................................... 310

Sensor (toner density) removal ...................................................................................................................... 312

Transfer roller left arm with cable removal .................................................................................................... 313

Transfer roller right arm removal ................................................................................................................... 314

Transfer roller removal ...................................................................................................................................317

Base printer - rear removals..................................................................................................................319

Duplex motor removal .................................................................................................................................... 320

Fuser removal ................................................................................................................................................. 322

Fuser access door removal ............................................................................................................................. 324

Left frame pivot removal ................................................................................................................................ 325

Output bin sensor cover removal ................................................................................................ ................... 326

Right frame pivot removal ..............................................................................................................................327

Sensor (rear door interlock) removal.............................................................................................................. 328

Base printer - top removals...................................................................................................................328

Sensor (standard bin full) removal ................................................................................................................. 329

Standard bin cover removal............................................................................................................................330

Upper redrive removal.................................................................................................................................... 331

Base printer - bottom removals............................................................................................................333

Duplex removal............................................................................................................................................... 333

Duplex front flap removal ............................................................................................................................... 335

Duplex rear flap removal ................................................................................................................................336

Left frame extension removal......................................................................................................................... 337

Media tray removal ............................................................................................................. ...........................339

Media size actuator removal ..........................................................................................................................340

Pick roller assembly removal .......................................................................................................................... 342

Right frame extension.....................................................................................................................................343

Sensor (duplex path) removal.........................................................................................................................344

Sensor (tray 1 media out) removal ................................................................................................................. 345

Separator roller assembly removal.................................................................................................................347

Base printer - left removals...................................................................................................................348

Controller board removal ............................................................................................................................... 349

Controller board access cover removal .......................................................................................................... 350

Controller board access shield removal.......................................................................................................... 351

Fuser drive motor removal ............................................................................................................................. 351

Main cooling fan removal ............................................................................................................................... 353

Main drive motor removal.............................................................................................................................. 354

Media feeder removal ........................................................................................................... ......................... 356

PCBA housing removal ........................................................................................................... ......................... 357

Sensor (control panel interlock) removal .......................................................................................................359

Sensor (pick roller position) removal .............................................................................................................. 360

Toner add motor removal...............................................................................................................................361

Base printer - right removals.................................................................................................................362

Cartridge cooling fan removal ........................................................................................................................ 363

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Duplex cooling fan removal ............................................................................................................................ 364

HVPS removal ................................................................................................................................................. 365

LVPS removal .................................................................................................................................................. 366

Control panel removals.........................................................................................................................369

4.3‑inch tilting display removal....................................................................................................................... 369

7‑inch tilting display removal..........................................................................................................................372

Control panel removal (2.4‑inch screen) ........................................................................................................ 375

Control panel removal (4.3‑inch screen, 7‑inch screen)................................................................................. 381

Control panel board (2.4‑inch tilting display) removal ................................................................................... 387

Control panel board (4.3‑inch tilting display) removal ................................................................................... 390

Control panel board (7‑inch tilting display) removal (MS812de) ................................................................... 393

Control panel front cover removal .................................................................................................................396

Control panel latch removal ........................................................................................................................... 398

Control panel left bezel removal .................................................................................................................... 399

Left control panel hinge removal.................................................................................................................... 400

Right control panel hinge removal.................................................................................................................. 403

250/550-sheet media tray option removals..........................................................................................406

250/550-sheet media tray and drawer assembly removal............................................................................. 406

Media tray separation roller removal............................................................................................................. 407

Media tray assembly removal......................................................................................................................... 407

Media tray front cover removal...................................................................................................................... 407

Drawer pick roller removal ............................................................................................................................408

Sensor (pick roll position) removal ................................................................................................................408

Drawer assembly rear cover removal ............................................................................................................. 409

Drawer assembly left cover removal ..............................................................................................................410

Drawer controller PCBA removal .................................................................................................................... 411

Drawer upper interface cable removal...........................................................................................................412

Drawer lower interface cable removal ...........................................................................................................413

Drawer media feeder removal ....................................................................................................................... 414

Drawer transport motor removal ................................................................................................................... 416

Sensor (drawer pass through) removal .......................................................................................................... 417

Sensor (pick) removal ..................................................................................................................................... 419

High capacity input tray option removals.............................................................................................422

HCIT and drawer assembly removal ...............................................................................................................422

HCIT removal .................................................................................................................................................. 423

HCIT drawer assembly removal ...................................................................................................................... 423

HCIT separator roll assembly removal ............................................................................................................ 424

HCIT media guide removal .............................................................................................................................. 424

HCIT front cover removal................................................................................................................................425

HCIT pick arm assembly removal .................................................................................................................... 427

HCIT drawer assembly rear cover removal..................................................................................................... 428

HCIT drawer assembly left cover removal ...................................................................................................... 429

HCIT drawer assembly right cover removal ....................................................................................................431

HCIT controller PCBA removal ........................................................................................................................ 433

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HCIT top cover assembly removal ..................................................................................................................434

HCIT lift drive motor removal ......................................................................................................................... 436

HCIT drawer assembly interface cable removal ............................................................................................. 438

Sensor (HCIT media low) with flag removal.................................................................................................... 439

Sensor (pick roll position) removal ................................................................................................................. 440

Sensor (HCIT pick) removal.............................................................................................................................442

HCIT media feeder removal ............................................................................................................................ 443

Output expander option removals........................................................................................................446

Output expander assembly removal............................................................................................................... 446

Output expander top cover removal ..............................................................................................................446

Output expander rear door removal .............................................................................................................. 447

Output expander sensor cover removal ......................................................................................................... 449

Sensor (media bin full) with flag removal ....................................................................................................... 449

Output expander right cover removal ............................................................................................................450

Output expander left cover removal .............................................................................................................. 452

Output expander controller PCBA removal .................................................................................................... 454

Lower interface cable removal ....................................................................................................................... 455

Upper interface cable removal ....................................................................................................................... 456

Spring with string removal.............................................................................................................................. 458

High capacity output expander option removals..................................................................................460

High capacity output expander assembly removal......................................................................................... 460

HCOE top cover removal.................................................................................................................................460

HCOE rear door removal ................................................................................................................................. 461

HCOE sensor cover removal ........................................................................................................................... 462

Sensor (HCOE media bin full) with flag removal .............................................................................................463

HCOE right outer cover removal..................................................................................................................... 463

HCOE left cover removal.................................................................................................................................465

HCOE controller PCBA removal....................................................................................................................... 467

HCOE lower interface cable removal .............................................................................................................. 469

HCOE upper interface cable removal..............................................................................................................470

Staple finisher option removals............................................................................................................471

Staple finisher assembly removal ................................................................................................................... 471

Stapler rear door removal...................................................................................................... ......................... 472

Stapler right cover removal ............................................................................................................................ 474

Sensor (cartridge door interlock) removal ...................................................................................................... 476

Stapler door close limit switch removal........................................................................................ .................. 476

Stapler carriage assembly removal ................................................................................................................. 479

Stapler left cover removal .............................................................................................................................. 480

Stapler cartridge access door removal ........................................................................................................... 482

Stapler top cover removal .............................................................................................................................. 482

Stapler spring with string removal.................................................................................................................. 484

Media stack flap (right) removal.....................................................................................................................485

Media stack flap (left) removal ....................................................................................................................... 486

Standard output bin LED removal................................................................................................................... 489

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Sensor (finisher bin media present) removal..................................................................................................490

Tamper motor (right) removal ........................................................................................................................491

Tamper motor (left) removal .......................................................................................................................... 491

Tamper drive belt removal ............................................................................................................................. 492

Paddle drive motor removal ........................................................................................................................... 493

Stapler lower interface cable removal............................................................................................................ 494

Stapler controller PCBA removal ....................................................................................................................496

Sensor (bin full send) removal ........................................................................................................................ 497

Sensor (bin full receive) removal .................................................................................................................... 498

Mailbox option removals......................................................................................................................500

Mailbox assembly removal ............................................................................................................................. 500

Mailbox top cover removal............................................................................................................................. 500

Mailbox rear door removal ............................................................................................................................. 500

Mailbox right cover removal........................................................................................................................... 502

Mailbox spring with string removal ................................................................................................................ 503

Mailbox solenoid removal .............................................................................................................................. 504

Mailbox left cover removal............................................................................................................................. 506

Mailbox controller PCBA removal................................................................................................................... 507

Sensor (mailbox divert motor) removal.......................................................................................................... 509

Mailbox lower interface cable removal ..........................................................................................................510

Mailbox upper interface cable removal.......................................................................................................... 512

Mailbox divert motor removal................................................................................................... ..................... 512

Mailbox media bin full flag removal ...............................................................................................................514

Sensor (mailbox bin full receive) removal ......................................................................................................515

Mailbox belt removal......................................................................................................................................518

Mailbox output bin LED assembly removal ....................................................................................................520

Component locations...............................................................................525

Connectors............................................................................................................................................525

Controller board....................................................................................................................................525

Maintenance............................................................................................533

Inspection guide....................................................................................................................................533

Scheduled maintenance........................................................................................................................535

Fuser maintenance kits ................................................................................................................................... 535

Replacing fuser maintenance kits...............................................................................................................535

Identifying the type of fuser used in the printer ........................................................................................ 536

Resetting the Roller Kit counter...................................................................................................................... 537

Preventive maintenance.......................................................................................................................538

Device‑specific preventive maintenance ........................................................................................................ 538

Lubrication specification.......................................................................................................................538

Cleaning the printer..............................................................................................................................538

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Parts catalog............................................................................................540

Legend...................................................................................................................................................540

Assembly 1: Covers................................................................................................................................543

Assembly 2: Paper path.........................................................................................................................545

Assembly 3: Fusers................................................................................................................................547

Assembly 4: Electronics.........................................................................................................................549

Assembly 5: Drive motors.....................................................................................................................553

Assembly 6: Duplex...............................................................................................................................555

Assembly 7: Frame................................................................................................................................557

Assembly 8: Control panel.....................................................................................................................559

Assembly 9: Paper tray..........................................................................................................................563

Assembly 10: Input options..................................................................................................... ..............565

Assembly 11: 250-sheet tray option......................................................................................................567

Assembly 12: 550-sheet tray option......................................................................................................569

Assembly 13: High capacity input tray option 1....................................................................................571

Assembly 14: High capacity input tray option 2....................................................................................573

Assembly 15: Output options................................................................................................................575

Assembly 16: Output expander option.................................................................................................577

Assembly 17: High capacity output expander option............................................................................579

Assembly 18: Staple finisher option 1...................................................................................................581

Assembly 19: Staple finisher option 2...................................................................................................583

Assembly 20: Mailbox option 1.............................................................................................................585

Assembly 21: Mailbox option 2.............................................................................................................587

Assembly 22: Miscellaneous.................................................................................................................589

Assembly 23: Power cords....................................................................................................................593

Appendix A: Printer specifications............................................................595

Power specifications..............................................................................................................................595

Operating clearances.............................................................................................................................596

Acoustics...............................................................................................................................................596

Environment..........................................................................................................................................597

Processor...............................................................................................................................................597

Appendix B: Options and features............................................................599

Available internal options.....................................................................................................................599

Input options supported.......................................................................................................................599

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Output options supported.....................................................................................................................599

Physical specifications (options)............................................................................................................600

Options configurations..........................................................................................................................600

Appendix C: Theory of operation..............................................................601

Models MS81x and MS71x paper path rollers and sensors..................................................................602

Models MS81x and MS71x sensors.......................................................................................................603

Functions of main components - need a new title................................................................................603

Media tray assembly....................................................................................................................................... 603

Rear media guide ............................................................................................................................................ 603

Side media guide............................................................................................................................................. 603

Media tray.............................................................................................................................................604

Media feeder .................................................................................................................................................. 604

Sensor (media size) ......................................................................................................................................... 604

Sensor (pick roller position) ............................................................................................................................ 604

Multi-purpose feeder (MPF).................................................................................................................604

MPF pick roller ................................................................................................................................................ 605

MPF pick solenoid ........................................................................................................................................... 605

Registration...........................................................................................................................................605

Sensor (input) ................................................................................................................................................. 606

Duplex...................................................................................................................................................606

Sensor (duplex path)....................................................................................................................................... 606

Transfer.................................................................................................................................................606

Transfer roller ................................................................................................................................................. 607

Printhead...............................................................................................................................................608

Fuser components.................................................................................................................................609

Heat belt (belt fuser)....................................................................................................................................... 610

Heat belt (hot roll fuser) ................................................................................................................................. 610

Pressure roll .................................................................................................................................................... 610

Heater lamp (hot roll fuser) ............................................................................................................................611

Thermistor ...................................................................................................................................................... 611

Sensor (fuser exit) ........................................................................................................................................... 611

Sensor (narrow media) (hot roll fuser only) ...................................................................................................611

Exit.........................................................................................................................................................611

Sensor (standard bin full)................................................................................................................................ 612

Drive......................................................................................................................................................612

Main drive motor assembly ............................................................................................................................ 612

Fuser drive motor assembly ........................................................................................................................... 612

Toner add motor assembly............................................................................................................................. 613

Redrive motor assembly ................................................................................................................................. 613

Sensors..................................................................................................................................................614

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Electrical components and controller...................................................................................................614

Sensor (control panel door interlock) .............................................................................................................615

Sensor (rear door interlock)............................................................................................................................ 615

Main cooling fan ............................................................................................................................................. 615

Cartridge cooling fan....................................................................................................................................... 615

Duplex cooling fan ............................................................................................................. ............................. 615

Fuser cooling fan (hot roll printer only) .......................................................................................................... 615

LVPS board assembly ...................................................................................................................................... 616

HVPS board assembly ..................................................................................................................................... 616

Controller board ............................................................................................................... ..............................616

Xerographic and print cartridge components.......................................................................................616

Supported paper sizes, types, and weights...........................................................................................620

Paper types and weights supported by the printer ........................................................................................ 620

Paper sizes supported by the printer.............................................................................................................. 621

Paper sizes, types, and weights supported by the optional finishers .............................................................622

Output options theory...........................................................................................................................624

Output expander theory .................................................................................................................................624

High capacity output expander theory ........................................................................................................... 625

Mailbox theory................................................................................................................................................ 626

Staple finisher theory...................................................................................................................................... 627

Appendix D: Acronyms.............................................................................629

Acronyms...............................................................................................................................................629

Index........................................................................................................631

Part number index...................................................................................639

Part name index.......................................................................................649

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Notices and safety information

Laser notices

Laser notice

The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, Chapter I, Subchapter J for Class I
(1) laser products, and elsewhere is certified as a Class I laser product conforming to the requirements of IEC 60825-1.

Class I laser products are not considered to be hazardous. The printer contains internally a Class IIIb (3b) laser that is
nominally a 10 milliwatt gallium arsenide laser operating in the wavelength of 787-800 nanometers. The laser system
and printer are designed so there is never any human access to laser radiation above a Class I level during normal
operation, user maintenance, or prescribed service condition.

Laser-Hinweis

Der Drucker wurde in den USA zertifiziert und entspricht den DHHS-Vorschriften 21 CFR, Kapitel I, Unterkapitel J für
Laserprodukte der Klasse I (1); andernorts ist er als Laserprodukt der Klasse I zertifiziert, das den IEC 60825-1­Anforderungen entspricht.

Laserprodukte der Klasse I werden nicht als gefährlich eingestuft. Der Drucker enthält im Inneren einen Laser der
Klasse IIIb (3b), und zwar einen 10-Milliwatt-Gallium-Arsenid-Laser, der im Wellenlängenbereich von 787 bis 800
Nanometern arbeitet. Das Lasersystem und der Drucker sind so konstruiert, dass unter normalen Betriebsbedingungen,
bei der Wartung durch den Benutzer oder bei den vorgeschriebenen Wartungsbedingungen Menschen keiner
Laserstrahlung ausgesetzt sind, die die Werte für Klasse I überschreitet.

Avis relatif à l'utilisation du laser

L'imprimante est certifiée conforme aux exigences de la réglementation des Etats-Unis relative aux produits laser (DHHS
21 CFR, Chapter I, Subchapter J for Class I (1)). Pour les autres pays, elle est certifiée conforme aux exigences des normes
IEC 60825-1 relatives aux produits laser de classe I.

Les produits laser de Classe I ne sont pas considérés comme dangereux. L'imprimante contient un laser de classe IIIb
(3b), laser arséniure de gallium 10 milliwatts opérant sur une longueur d'onde de l'ordre de 787 à 800 nanomètres. Le
système laser ainsi que l'imprimante ont été conçus de manière à ce que personne ne soit exposé à des rayonnements
laser dépassant le niveau de classe I dans le cadre d'un fonctionnement normal, de l'entretien par l'utilisateur ou de la
maintenance.

Avvertenze sui prodotti laser

La stampante è certificata negli Stati Uniti come stampante conforme ai requisiti DHHS 21 CFR, Capitolo I, Sottocapitolo
J per i prodotti laser di Classe I (1), mentre in altri paesi è certificata come prodotto laser di Classe I conforme ai requisiti
IEC 60825-1.

I prodotti laser di Classe I non sono considerati pericolosi. La stampante contiene un laser di Classe IIIb (3b), che è
nominalmente un laser ad arseniuro di gallio a 10milliwatt funzionante a una lunghezza d'onda di 787-800 nanometri.
Il sistema laser e la stampante sono stati progettati in modo da impedire l'esposizione a radiazioni laser superiori al
livello previsto dalla Classe I durante le normali operazioni di stampa, manutenzione o assistenza.

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Aviso de láser

Esta impresora se ha certificado en EE. UU. de conformidad con los requisitos de DHHS 21 CFR, capítulo I, subcapítulo
J, para los productos láser de Clase I (1), y en otros países está certificada como un producto láser de Clase I de acuerdo
con los requisitos de IEC 60825-1.

Los productos láser de Clase I no se consideran peligrosos. La impresora contiene un láser interno de Clase IIIb (3b) que
nominalmente es un láser de arseniuro de galio de 10 milivatios que funciona en una longitud de onda de 787-800
nanómetros. El sistema láser y la impresora se han diseñado para que ningún individuo acceda nunca a las radiaciones
láser por encima del nivel de Clase I durante su uso normal, ni en tareas de mantenimiento o intervenciones de servicio
técnico prescritas.

Aviso sobre laser

A impressora foi certificada nos EUA por estar em conformidade com os requisitos do DHHS 21 CFR, capítulo I,
subcapítulo J, para produtos a laser de Classe I (1) e, nos demais países, foi certificada como produto a laser de Classe
I em conformidade com os requisitos da IEC 60825-1.

Os produtos a laser de Classe I não são considerados perigosos. A impressora contém, internamente, um laser de Classe
IIIb (3b) que é um laser de arsenieto de gálio de 10 miliwatts operando no comprimento de onda de 787-800
nanômetros. O sistema do laser e a impressora foram projetados para que jamais haja acesso humano à radiação do
laser acima do nível da Classe I durante a operação normal ou a manutenção pelo usuário ou sob as condições de
manutenção prescritas.

Laserinformatie

Deze printer is in de Verenigde Staten gecertificeerd als een product dat voldoet aan de vereisten van DHHS 21 CFR,
hoofdstuk 1, paragraaf J voor laserproducten van klasse I (1). Elders is de printer gecertificeerd als een laserproduct
van klasse I dat voldoet aan de vereisten van IEC 60825-1.

Laserproducten van klasse I worden geacht geen gevaar op te leveren. De printer bevat intern een laser van klasse IIIb
(3b), een galliumarsenide laser met een nominaal vermogen van 10 milliwatt en een golflengtebereik van 787-800
nanometer. Het lasersysteem en de printer zijn zodanig ontworpen dat gebruikers nooit blootstaan aan laserstraling
die hoger is dan het toegestane niveau voor klasse I-apparaten, tijdens normaal gebruik, onderhoudswerkzaamheden
door de gebruiker of voorgeschreven servicewerkzaamheden.

Lasererklæring

Denne printer er certificeret i USA i henhold til kravene i DHHS 21 CFR, afsnit I, underafsnit J, for Klasse I-laserprodukter
(1) og certificeret andetsteds som et Klasse I-laserprodukt i henhold til kravene i IEC 60825-1.

Klasse I-laserprodukter anses ikke for at være farlige. Printeren indeholder internt en klasse IIIb (3b)-laser, der nominelt
er en 10 milliwatt galliumarsenid-laser, som fungerer i bølgelængdeområdet 787-800 nanometer. Lasersystemet og
printeren er udviklet på en sådan måde, at der ikke er en direkte laserstråling, der overskrider Klasse I-niveauet under
normal brug, brugers vedligeholdelse eller de foreskrevne servicebetingelser.

Laserilmoitus

Tämä tulostin on sertifioitu Yhdysvalloissa DHHS 21 CFR, Chapter I, Subchapter J -standardin mukaiseksi luokan I (1) ­lasertuotteeksi ja muualla IEC 60825-1 -standardin mukaiseksi luokan I lasertuotteeksi.

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Luokan I lasertuotteita ei pidetä haitallisina. Tulostimen sisällä on luokan IIIb (3b) laser, joka on nimellisteholtaan 10
mW:n galliumarsenidilaser ja toimii 787–800 nanometrin aallonpituuksilla. Laserjärjestelmä ja tulostin ovat
rakenteeltaan sellaisia, että käyttäjä ei joudu alttiiksi luokkaa 1 suuremmalle säteilylle normaalin käytön, ylläpidon tai
huollon aikana.

Lasermeddelande

Skrivaren är certifierad i USA enligt kraven i DHHS 21 CFR, avsnitt I, underavsnitt J för laserprodukter av klass I (1) och
i andra länder är den certifierad som en laserprodukt av klass I som uppfyller kraven i IEC 60825-1.

Laserprodukter av klass I anses inte vara skadliga. Skrivaren innehåller en klass IIIb (3b)-laser, vilket är en 10 mW
galliumarseniklaser som arbetar inom en våglängd på 787–800 nm. Lasersystemet och skrivaren är utformade så att
människor aldrig utsätts för laserstrålning över klass I-nivå under normala förhållanden vid användning, underhåll eller
service.

Lasermerknad

Skriveren er sertifisert i USA for samsvar med kravene i DHHS 21 CFR, kapittel I, underkapittel J for laserprodukter av
klasse I (1), og er andre steder sertifisert som et laserprodukt av klasse I som samsvarer med kravene i IEC 60825-1.

Laserprodukter av klasse I anses ikke som helseskadelige. Skriveren inneholder en intern laser av klasse IIIb (3b) som
nominelt er en 10 milliwatt galliumarsenid-laser, og som opererer i bølgelengder på 787-800 nanometer. Lasersystemet
og skriveren er utformet slik at mennesker ikke utsettes for laserstråling utover nivået i klasse I under normal drift,
vedlikehold eller foreskrevet service.

Avís sobre el làser

Als EUA, la impressora està certificada de conformitat amb els requisits del capítol I, apartat J del CFR 21 del Departament
de Salut i Serveis Humans per a productes làser de classe I (1) i a la resta de països està certificada com a producte làser
de classe I d'acord amb els requisits de la norma IEC 60825-1.

Els productes làser de classe I no es consideren perillosos. A l'interior de la impressora hi ha un làser de classe IIIb (3b)
que nominalment es un arsenur de galió de 10 mil·liwatts que funciona a una longitud d'ona de 787-800 nanòmetres.
El sistema làser y la impressora s'han dissenyat amb l'objectiu d'impedir l'accés humà de la radiació làser superior al
nivell de classe I durant un funcionament normal, el manteniment per part de l'usuari o les condicions de servei
prescrites.

レーザーに関する通知

本機は、米国においてクラス I（1）レーザー製品に対する DHHS 21 CFR、Chapter I、Subchapter J の要件に準
拠し、その他の国では IEC 60825-1 の要件に準拠するクラス I レーザー製品として認可されています。

クラス I レーザー製品は、危険性がないとみなされています。 本機には、クラス IIIb（3b）レーザーが内蔵
されています。これは、787 ～ 800 ナノメートルの波長で動作する定格 7 ミリワットのガリウムヒ素レーザ
ーです。 レーザーシステムとプリンタは、通常の操作、ユーザーによるメンテナンス、または所定のサー
ビス条件の下で、ユーザーがクラス I レベルを超えるレーザー放射に絶対にさらされないように設計されて
います。

레이저 관련 공지

이 프린터는 미국에서 DHHS 21 CFR, Chapter I, Subchapter J 의 요구 사항을 준수하는 클래스 I(1) 레이저 제품으
로 승인되었으며 이외 지역에서 IEC 60825-1 의 요구 사항을 준수하는 클래스 I 레이저 제품으로 승인되었습니다.

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Class I 레이저 제품은 위험한 제품으로 간주되지 않습니다. 프린터에는 655-675 나노미터의 파장 영역에서 작동
하는 공칭 7 밀리와트 갈륨 비소 레이저인 클래스 IIIb(3b) 레이저가 내부에 포함되어 있습니다. 레이저 시스템
과 프린터는 정상적인 작동, 사용자 유지 관리 또는 사전 설명된 서비스 조건에는 사람에게 클래스 I 수준 이상
의 레이저 방사가 노출되지 않도록 설계되었습니다.

激光注意事项

本打印机在美国认证合乎 DHHS 21 CFR Chapter I，Subchapter J 对分类 I（1）激光产品的标准，而在其他地区则
被认证是合乎 IEC 60825-1 的分类 I 激光产品。

一般认为分类 I 激光产品不具有危险性。本打印机内部含有分类 IIIb（3b）的激光，在操作过程中会产生额定
7 毫瓦的砷化镓激光，其波长范围在 787-800nm 之间。本激光系统及打印机的设计，在一般操作、使用者维护
或规定内的维修情况下，不会使人体接触分类 I 以上等级的辐射。

雷射聲明

本印表機係經過美國核可，符合 DHHS 21 CFR，Chapter I，Subchapter J 規定的 I (1) 級雷射產品激光注意事项；
在美國以外的地區，為符合 IEC 60825-1 規定的 I 級雷射產品。

根據 I 級雷射產品的規定，這類產品不會對人體造成傷害。本機所採用之 IIIb (3b) 級雷射只會產生 7 百萬分之
一瓦特 (milliwatt)、波長 787 至 800 億分之一米 (nanometer) 的鎵砷放射線 (gallium arsenide laser)。使用者只要
以正確的方法操作及維護保養，並依照先前所述之維修方式進行修護，此印表機與其雷射系統絕不會產生 I 級
以上的放射線，而對人體造成傷害。

Safety

Safety information

• The safety of this product is based on testing and approvals of the original design and specific components. The

manufacturer is not responsible for safety in the event of use of unauthorized replacement parts.

• The maintenance information for this product has been prepared for use by a professional service person and is

not intended to be used by others.

• There may be an increased risk of electric shock and personal injury during disassembly and servicing of this product.

Professional service personnel should understand this and take necessary precautions.

CAUTION—POTENTIAL INJURY

The lithium battery in this product is not intended to be replaced. There is a danger of explosion if a lithium
battery is incorrectly replaced. Do not recharge, disassemble, or incinerate a lithium battery. Discard used
lithium batteries according to the manufacturer's instructions and local regulations.

Consignes de sécurité

• La sécurité de ce produit repose sur des tests et des agréations portant sur sa conception d'origine et sur des

composants particuliers. Le fabricant n'assume aucune responsabilité concernant la sécurité en cas d'utilisation de
pièces de rechange non agréées.

• Les consignes d'entretien et de réparation de ce produit s'adressent uniquement à un personnel de maintenance

qualifié.

• Le démontage et l'entretien de ce produit pouvant présenter certains risques électriques, le personnel d'entretien

qualifié devra prendre toutes les précautions nécessaires.

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AVERTISSEMENT—RISQUE DE BLESSURE

La batterie lithium de ce produit n'est pas destinée à être remplacée. Il existe un risque d'explosion si une
batterie lithium est placée de façon incorrecte. Ne rechargez pas, ne démontez pas et n’incinérez pas une
batterie lithium. Mettez les batteries lithium usagées au rebut selon les instructions du fabricant et les
réglementations locales.

Norme di sicurezza

• La sicurezza del prodotto si basa sui test e sull'approvazione del progetto originale e dei componenti specifici. Il

produttore non è responsabile per la sicurezza in caso di sostituzione non autorizzata delle parti.

• Le informazioni riguardanti la manutenzione di questo prodotto sono indirizzate soltanto al personale di assistenza

autorizzato.

• Durante lo smontaggio e la manutenzione di questo prodotto, il rischio di subire scosse elettriche e danni alla

persona è più elevato. Il personale di assistenza autorizzato deve, quindi, adottare le precauzioni necessarie.

ATTENZIONE — PERICOLO DI LESIONI

La batteria al litio presente del prodotto non deve essere sostituita. In caso di sostituzione errata della
batteria al litio, potrebbe verificarsi un'esplosione. Non ricaricare, smontare o bruciare batterie al litio.
Smaltire le batterie al litio usate seguendo le istruzioni del produttore e le norme locali.

Sicherheitshinweise

• Die Sicherheit dieses Produkts basiert auf Tests und Zulassungen des ursprünglichen Modells und bestimmter

Bauteile. Bei Verwendung nicht genehmigter Ersatzteile wird vom Hersteller keine Verantwortung oder Haftung
für die Sicherheit übernommen.

• Die Wartungsinformationen für dieses Produkt sind ausschließlich für die Verwendung durch einen

Wartungsfachmann bestimmt.

• Während des Auseinandernehmens und der Wartung des Geräts besteht ein zusätzliches Risiko eines elektrischen

Schlags und körperlicher Verletzung. Das zuständige Fachpersonal sollte entsprechende Vorsichtsmaßnahmen
treffen.

VORSICHT - VERLETZUNGSGEFAHR

Die Lithiumbatterie in diesem Produkt darf nicht ausgetauscht werden. Wird eine Lithiumbatterie nicht
ordnungsgemäß ausgetauscht, besteht Explosionsgefahr. Lithiumbatterien dürfen auf keinen Fall wieder
aufgeladen, auseinander genommen oder verbrannt werden. Befolgen Sie zum Entsorgen verbrauchter
Lithiumbatterien die Anweisungen des Herstellers und die örtlichen Bestimmungen.

Pautas de Seguridad

• La seguridad de este producto se basa en pruebas y aprobaciones del diseño original y componentes específicos.

El fabricante no es responsable de la seguridad en caso de uso de piezas de repuesto no autorizadas.

• La información sobre el mantenimiento de este producto está dirigida exclusivamente al personal cualificado de

mantenimiento.

• Existe mayor riesgo de descarga eléctrica y de daños personales durante el desmontaje y la reparación de la máquina.

El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias.

PRECAUCIÓN: POSIBLES DAÑOS PERSONALES

La batería de litio de este producto no debe reemplazarse. Existe riesgo de explosión si se sustituye
incorrectamente una batería de litio. No recargue, desmonte ni incinere una batería de litio. Deseche las
baterías de litio según las instrucciones del fabricante y las normativas locales.

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Informações de Segurança

• A segurança deste produto baseia-se em testes e aprovações do modelo original e de componentes específicos. O

fabricante não é responsável pela segunrança, no caso de uso de peças de substituição não autorizadas.

• As informações de segurança relativas a este produto destinam-se a profissionais destes serviços e não devem ser

utilizadas por outras pessoas.

• Risco de choques eléctricos e ferimentos graves durante a desmontagem e manutenção deste produto. Os

profissionais destes serviços devem estar avisados deste facto e tomar os cuidados necessários.

ATENÇÃO — RISCO DE FERIMENTO

A bateria de lítio neste produto não deve ser substituída. Existe o risco de explosão se uma bateria de lítio
for substituída incorretamente. Não recarregue, desmonte ou incinere uma bateria de lítio. Descarte as
baterias de lítio usadas de acordo com as instruções do fabricante e regulamentos locais.

Informació de Seguretat

• La seguretat d'aquest producte es basa en l'avaluació i aprovació del disseny original i els components específics.

El fabricant no es fa responsable de les qüestions de seguretat si s'utilitzen peces de recanvi no autoritzades.

• La informació pel manteniment d’aquest producte està orientada exclusivament a professionals i no està destinada

a ningú que no ho sigui.

• El risc de xoc elèctric i de danys personals pot augmentar durant el procés de desmuntatge i de servei d’aquest

producte. El personal professional ha d’estar-ne assabentat i prendre les mesures convenients.

ATENCIÓ

La bateria de liti d'aquest producte no ha estat dissenyada perquè es substitueixi. Hi ha perill d’explosió si
no es substitueix correctament la bateria de liti. No recarregueu, desmunteu o incinereu una bateria de
liti. Desfeu-vos de les bateries de liti usades d’acord amb les instruccions del fabricant i les regulacions
locals.

안전 사항

• 본 제품은 원래 설계및특정 구성에 대한 테스트 결과로 안정 성이 입증된 것입니다. 따라서 무허가 교체부품

을 사용하는 경 우 에는 제조업체에서 안전에 대한 책임을 지지 않습니다.

• 본 제품에 관한 유지 보수 설명 서는 전문 서비스 기술자 용으로 작성된 것이므로, 비 전문가는 사용할 수 없

습니다.

• 본 제품을 해체하거나 정비할 경우, 전 기전 인 충 경 을 받거나 상 처를 입을 위험이 커집니다. 전문 서비스

기술자는 이 사실을 숙지하고, 필요한 예방조치를 취하도록 하십시오.

주의—부상 위험
이 제품에 들어 있는 리튬 배터리는 교체할 수 없습니다. 리튬 배터리를 잘못 교체하면 폭발할 위험

이 있습니다. 리튬 배터리를 재충전하거나, 분해하거나, 태우지 마십시오. 제조업체의 지침과 지역
규정에 따라 다 쓴 리튬 배터리를 폐기하십시오.

安全信息

• 本产品的安全性以原来设计和特定产品的测试结果和认证为基础。万一使用来经许可的替换部件，制造商

不对安全性负责。

• 本产品的维护信息仅供专业服务人员使用，并不打算证其他人使用。

• 本产品在拆卸、维修时，遭受电击或人员受伤的危险性会增高，专业服务人员对这点必须有所了触，并采

取必要的预防措施。

Notices and safety information

22

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当心一可能的伤害
本产品中的锂电池不可更换。如果不正确更换锂电池，可能会有爆炸危险。不要再 充电、拆解或

焚烧锂电池。丢弃旧的锂电池时应按照制造商的指导及当地法规进行处理

：

。

Notices and safety information

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Preface

This manual contains maintenance procedures for service personnel.

It is divided into the following chapters:

• General information contains a general description of the printer and the maintenance approach used to repair it.

Special tools and test equipment, as well as general environmental and safety instructions, are discussed.

• Diagnostic information contains diagnostic aids you can use to isolate failing field replaceable units. These

diagnostic aids include error code tables, symptom tables, and service checks.

• Diagnostic aids contains descriptions of the printer interface, the user and service menus, and the basic theory of

printer operation.

• Repair information provides instructions for making printer adjustments and removing and installing FRUs.

• Connector locations uses illustrations to identify the connector locations.

• Preventive maintenance contains the lubrication specifications and recommendations to prevent problems.

• Parts catalog contains illustrations and part numbers for individual FRUs.

• Appendix A—Contains service tips and detailed information about the product, including the basic theory of printer

operation.

• Appendix B—Contains representative print samples.

Service manual conventions

Note: A note provides additional information.

Warning—Potential Damage: A warning identifies something that might damage the product hardware or software.

This service manual uses several different types of caution statements:

CAUTION—POTENTIAL INJURY: A caution identifies something that might cause the service technician harm.

CAUTION—SHOCK HAZARD: This type of caution indicates a danger from hazardous voltage in the area of the

product where you are working. Unplug the product before you start working, or use caution if the product
must receive power to perform the task.

CAUTION—HOT SURFACE: This type of caution indicates a hot surface.

CAUTION—TIPPING HAZARD: This type of caution indicates a tipping hazard.

Preface

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26

General information

• “Printer configurations” on page 28

• “Paper guidelines” on page 30

• “Data security notice” on page 33

• “Tools required for service” on page 34

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General information

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The LexmarkTMM5150, M5160, M5170, MS710, MS711, MS810, MS811, and MS812 printers are network‑capable laser
printers that print monochrome print jobs. All information in this service manual pertains to all models unless explicitly
noted.

The printers are available in the following models:

Model Configuration Machine type / model

number

M5150 Network, 4.3” e‑Task touch screen, duplex printer 4063‑29E

M5160 Network, 4.3” e‑Task touch screen, duplex printer 4063‑49E

M5170 Network, 7” e‑Task touch screen, duplex printer 4063‑69E

MS710dn Network, duplex printer 4063‑832

MS711dn Network, duplex printer 4063‑835

MS810n Network 4063-210

MS810dn Network, duplex printer 4063-230

MS810de Network, 4.3” e‑Task touch screen, duplex printer 4063-23E

MS811n Network 4063-410

MS811dn Network, duplex printer 4063-430

MS812dn Network, duplex printer 4063-630

MS812de Network, 7” e‑Task touch screen, duplex printer 4063-63E

The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the error
code charts, symptom index, and service checks to determine the symptom and then repair the failure. After you
complete the repair, perform tests as needed to verify the repair.

To begin diagnosing a problem, go to “Diagnostic information” on page 35. See “Repair information” on page 255
for information about removing and reinstalling parts. See “Parts catalog” on page 540 to help identify parts.

Printer configurations

Basic model

General information

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1 Standard bin

2 Printer control panel

3 Multipurpose feeder

4 Standard 250‑ or 550‑sheet tray (Tray 1)

Fully configured model

CAUTION—TIPPING HAZARD: Floor-mounted configurations require additional furniture for stability. You must

use either a printer stand or printer base if you are using multiple input options. If you purchased a printer with
a similar configuration, then you may need additional furniture. For more information, see

www.lexmark.com/multifunctionprinters.

The following illustration shows the maximum number of optional finishers and trays that are supported by the printer.
For more information on other configurations, visit www.lexmark.com/multifunctionprinters.

Hardware option Alternative hardware option

1 Staple finisher

• Output expander

• 4‑bin mailbox

2 4‑bin mailbox

• Output expander

• High‑capacity output expander

• Staple finisher

3 Caster base None

General information

29

Hardware option Alternative hardware option

4 2100‑sheet tray None

5 550‑sheet tray 250‑sheet tray

6 250‑sheet tray 550‑sheet tray

7 4‑bin mailbox Output expander

8 Output expander 4‑bin mailbox

In a configuration with two or more optional finishers:

• The staple finisher must always be on top.

• The high‑capacity output expander must always be at the bottom.

• The output expander is the only finisher that can be placed on top of the high‑capacity output expander.

• The output expander and mailbox may be installed in any order.

When using optional trays:

• Always use a caster base when the printer is configured with a 2100‑sheet tray.

• The 2100‑sheet tray must always be at the bottom of a configuration.

• A maximum of four optional trays may be configured with the printer.

• The optional 250‑ and 550‑sheet trays may be installed in any order.

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Paper guidelines

Paper characteristics

The following paper characteristics affect print quality and reliability. Consider these factors before printing on them:

Weight

The printer trays and multipurpose feeder can automatically feed paper weights between 60–176 g/m2 (16–47‑lb) grain

2

long paper. The 2100‑sheet tray can automatically feed paper weights up to 60–135 g/m
Paper lighter than 60 g/m

Note: Two‑sided printing is supported for 60–176 g/m

2

(16 lb) might not be stiff enough to feed properly, and may cause jams.

2

(16–47‑lb) paper.

Curl

Curl is the tendency for paper to curl at its edges. Excessive curl can cause paper feeding problems. Curl can occur after
the paper passes through the printer, where it is exposed to high temperatures. Storing paper unwrapped in hot, humid,
cold, or dry conditions, even in the trays, can contribute to paper curling prior to printing and can cause feeding
problems.

Smoothness

(16–36‑lb) grain long paper.

Paper smoothness directly affects print quality. If paper is too rough, toner cannot fuse to it properly. If paper is too
smooth, it can cause paper feeding or print quality issues. Always use paper between 100 and 300 Sheffield points;
smoothness between 150 and 250 Sheffield points produces the best print quality.

General information

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