Lexmark MS621dn Manuals

Manuals and User Guides for Lexmark MS621dn. We have 1 Lexmark MS621dn manual available for free PDF download: Service Manual

Lexmark MS621dn Service Manual

Lexmark MS621dn Service Manual (318 pages)

Brand: Lexmark | Category: Printer | Size: 54.39 MB

Table of Contents

Product Information

2
Edition Notice

2
- Table of Contents
  3
Notices, Conventions, and Safety Information

9
- Laser Notice
  9
- Conventions
  12
- Safety Information
  13
- General Caution Statements
  18
Change History

19
General Information

21
- Printer Model Conﬁgurations
  21
- Finding the Serial Number
  21
- Paper Support
  22
  - Supported Paper Sizes
    22
  - Supported Paper Types
    23
  - Supported Paper Weights
    24
- Tools Required for Service
  24
Diagnostics and Troubleshooting

25
- Troubleshooting Overview
  25
  - Performing the Initial Troubleshooting Check
    25
- Fixing Print Quality Issues
  25
- Paper Jams
  66
  - Avoiding Jams
    66
  - Identifying Jam Locations
    67
  - Paper Jam in Door a
    68
  - Paper Jam in the Rear Door
    71
  - Paper Jam in the Standard bin
    72
  - Paper Jam in the Duplex Unit
    73
  - Paper Jam in Trays
    74
  - Paper Jam in the Multipurpose Feeder
    74
  - 200 Paper Jams
    75
  - 202 Paper Jams
    86
  - 230 Paper Jams
    90
  - 240-241 Paper Jams
    93
  - 242-244 Paper Jams
    97
- User Attendance Messages (0-99.99)
  102
- Printer Hardware Errors
  107
  - 111 Errors
    107
  - Errors
    108
  - 126 Errors
    114
  - 128 Errors
    116
  - 133 Errors
    119
  - 140 Errors
    120
  - 155 Errors
    121
  - 16Y Errors
    122
  - 171 Errors
    127
  - 6Yy Errors
    128
  - Procedure before Starting the 9Yy Service Checks
    130
  - 900 Errors
    132
Service Menus

137
- Understanding the Printer Control Panel
  137
- Diagnostics Menu
  140
  - Entering the Diagnostics Menu
    140
  - Reports
    140
  - Advanced Print Quality Samples
    140
  - Event Log
    140
  - Input Tray Quick Print
    141
  - Output bin Quick Feed
    142
  - Printer Setup
    142
  - Printer Diagnostics and Adjustments
    144
  - Additional Input Tray Diagnostics
    146
- Conﬁguration Menu
  147
- Service Engineer Menu
  150
  - Entering Invalid Engine Mode
    150
  - Entering the Service Engineer (SE) Menu
    150
  - General SE
    150
  - Network SE
    150
Parts Removal

153
- Removal Precautions
  153
- Removal Procedures
  177
- Left Side Removals
  177
  - Left Cover Removal
    177
  - Main Drive Gearbox Removal
    178
  - MPF Gearbox Removal
    179
  - Fuser Actuator Removal
    182
  - Reverse Solenoid Removal
    183
  - Cartridge Gearbox Removal
    184
  - MPF Solenoid Removal
    185
- Right Side Removals
  186
  - Right Cover Removal
    186
  - Interconnect Cable Removal
    188
  - Sensor (Tray Present) Removal
    189
  - Cooling Fan Removal
    190
  - Controller Board Removal
    194
  - Toner Cartridge Smart Chip Contact Removal
    195
  - Cartridge Barrel Shutter Sensor Kit Removal
    198
- Front Removals
  201
- Bottom Removals
  216
  - Power Supply Removal
    216
  - Duplex Assembly Removal
    218
  - Sensors (Duplex and Input) Removal
    220
  - Sensor (Index) Removal
    222
  - Sensor (Toner Density) Removal
    222
  - Sensor (Paper Present) Removal
    224
  - Sensor (Trailing Edge) Removal
    226
  - Paper Present Sensor Flag Removal
    228
  - Pick Roller Assembly Removal
    230
  - Pick/Lift Motor Gearbox Removal
    232
- Rear Side Removals
  234
  - Rear Door and Cover Removal
    234
  - Fuser Removal
    234
  - Sensor (bin Full) Removal
    235
  - Redrive Assembly Removal
    236
  - Redrive Gear Plate Removal
    237
- Top Side Removals
  238
  - Top Cover Removal
    238
  - Printhead Removal
    239
- Optional 250/550-Sheet Tray Removals
  242
  - Separator Roller Assembly Removal
    242
Component Locations

245
- Printer Conﬁgurations
  245
- Attaching Cables
  245
- Printer Roller Locations
  247
- Printer Sensor Locations
  249
- Controller Board Connectors
  250
Maintenance

255
- Inspection Guide
  255
- Scheduled Maintenance
  255
  - Maintenance Kits
    255
  - Resetting the Maintenance Counter
    256
- Cleaning the Printer
  256
- Cleaning the Printhead Lenses
  257
Parts Catalog

258
- Legend
  258
- Assembly 1: Covers
  259
- Assembly 2: Control Panel
  261
- Assembly 3: Electronics 1
  263
- Assembly 4: Electronics 2
  265
- Assembly 5: Electronics 3
  267
- Assembly 6: Electronics 4
  269
- Assembly 7: Paper Transport 1
  271
- Assembly 8: Paper Transport 2
  273
- Assembly 9: MPF and Standard Tray
  275
- Assembly 10: Optional Trays
  277
- Assembly 11: Maintenance Kits
  279
- Assembly 12: Miscellaneous
  281
Printer Speciﬁcations

283
- Power Consumption
  283
  - Product Power Consumption
    283
  - Sleep Mode
    283
  - Hibernate Mode
    283
  - Off Mode
    284
  - Total Energy Usage
    284
- Selecting a Location for the Printer
  284
- Noise Emission Levels
  285
- Temperature Information
  286
Options and Features

287
- Available Internal Options
  287
- Input/Output Conﬁgurations and Capacities
  287
Theory of Operation

289
- POR Sequence
  289
- Print Cycle Operation
  289
  - Print Engine Layout
    289
  - Print Cycle
    290
- Printer Operation
  296
  - Printer Sections
    296
  - Printer Paper Path
    297
  - Printer Paper Path Sensors
    299
  - Main Drive
    300
  - Tray Drive
    301
Acronyms

303
Index

305
Part Number Index

309
Part Name Index

313

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