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Lexmark C720 Service Manual
Lexmark C720 Service Manual

Lexmark C720 Service Manual

Color laser printer
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Revised 5/5/05
For the complete PDF manual
please visit www.LaserPros.com.
Lexmark™ C720
Color Laser Printer
Machine Type 5024-001
• Table of Contents
• Start Diagnostics
• Safety and Notices
• Trademarks
• Index
Lexmark and Lexmark with diamond
design are trademarks of Lexmark
International, Inc., registered in the
United States and/or other countries.

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Summary of Contents for Lexmark C720

  • Page 1 Color Laser Printer Machine Type 5024-001 • Table of Contents • Start Diagnostics • Safety and Notices • Trademarks • Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
  • Page 2 You can purchase additional copies of publications related to this product by calling 1-800-553-9727. In other countries, contact your point of purchase. Lexmark, Lexmark with diamond design, MarkNet, and MarkVision are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
  • Page 3 5024-001 Table of Contents Notices and Safety Information ......1-xiii Laser Notices ......... 1-xiii Safety Information .
  • Page 4 5024-001 Control System Structure ....... .1-42 Electrical System and Function ......1-42 Control of Print Process .
  • Page 5 5024-001 994—Fuser Clutch (FUCL) Service Check ....2-66 995—OPC Belt Cartridge, Belt Marker Sensor (PBS) Service Check ........2-67 997—High Voltage Power Supply Unit (HVU) Service Check .
  • Page 6 5024-001 Diagnostic Aids ........3-1 Disabling Download Emulations .
  • Page 7 5024-001 Repair Information ........4-1 Removal and Cleaning Precautions .
  • Page 8 5024-001 Motor Removals ........4-37 Fan / Motor Layout .
  • Page 9 5024-001 Fuser Connector Removal ......4-90 Waste Toner Feeder (L) Removal ..... . . 4-91 Fuser Unit Removal .
  • Page 10: Service Manual

    5024-001 Locations ..........5-1 Printer .
  • Page 11 5024-001 Location 22......... 5-35 Location 23.
  • Page 12 5024-001 Parts Catalog ......... .7-1 How to Use this Parts Catalog .

This manual is also suitable for:

5024-001