Lexmark MS415 - Page 286

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Step 5: Clean

The cleaning blade removes any toner that remains on the photoconductor after the transfer process. The toner

removed is collected inside the imaging unit.

Cleaning Blade

Used Toner

Charge roll

DRUM

4514

Appendix C: Theory of operation

286

Main Page

Default Chapter1
- Service Manual1
Product Information2
Edition Notice2
- April2
- Table of Contents3
Notices and Safety Information11
- Laser Notices11
- Safety Information14
Preface19
- Service Manual Conventions19
General Information21
- Media Guidelines21
S22
- Data Security Notice29
- Tools Required for Service29
Diagnostic Information31
- Troubleshooting Overview31
  - Performing the Initial Troubleshooting Check31
  - Power-On Reset (POR) Sequence31
- Fixing Print Quality Issues32
- Paper Jams40
- Understanding the Printer Messages66
- User Attendance Messages (0-99.99)77
- Printer Hardware Errors85
- Input Option Hardware Errors115
Service Menus119
- Understanding the Printer Control Panel119
  - Using the Printer Control Panel119
  - Understanding the Colors of the Indicator and Sleep Button Lights120
- Menus List120
- Diagnostics Menu121
- Configuration Menu134
- Entering Invalid Engine Mode139
- Entering Recovery Mode140
- Accessing the Network SE Menu140
- Service Engineer Menu140
  - Accessing the Service Engineer (SE) Menu140
  - Service Engineer (SE) Menu140
Repair Information143
- Removal Precautions143
- Removal Procedures168
- Left Side Removals168
- Right Side Removals185
- Front Removals190
- Bottom Removals216
- Rear Side Removals232
- Top Side Removals239
  - Top Cover Removal239
  - Laser Scanning Unit (LSU) Removal240
- 250/550-Sheet Option Tray Removals242
Component Locations249
- Exterior Locations249
  - Front View249
  - Rear View250
Maintenance251
- Inspection Guide251
- Lubrication Specification251
- Cleaning the Printer252
Parts Catalog254
- Legend254
- Assembly 1: Covers255
- Assembly 2: Electronics 1257
- Assembly 3: Electronics 2259
- Assembly 4: Frame262
- Assembly 5: Option Trays265
- Assembly 6: Power Cords267
- Assembly 7: Miscellaneous269
Appendix A: Printer Specifications271
- Product Power Consumption271
- Electrical Specifications271
- Operating Clearances272
- Acoustics272
- Operating Environment273
Appendix B: Options and Features275
- Available Internal Options275
- Media Handling Options275
Appendix C: Theory of Operation277
- POR Sequence277
- Printer Control277
- Paper Path Information277
- Media Handling Components280
  - Main Drive Gearbox280
  - Autocompensator Mechanism (ACM)280
- Key Components281
  - Sensors281
  - Other Key Components282
- Electrophotographic Process (EP Process)283
Appendix D: Acronyms287
Index289
Part Number Index295
Part Name Index299

Lexmark MS415 - Page 286

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