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Machine Type 5024-001

Lexmark™ C720

Color Laser Printer

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

• Table of Contents

• Index

• Safety and Notices

• Trademarks

• Start  Diagnostics

Revised 5/5/05

Summary of Contents for 5024-001

Page 1: ...Laser Printer Lexmark and Lexmark with diamond design are trademarks of Lexmark International Inc registered in the United States and or other countries Table of Contents Index Safety and Notices Tra...

Page 2: ...ail at ServiceInfoAndTraining Lexmark com Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you You can purchase ad...

Page 3: ...d Electrical Structures 1 15 Printer Component Systems 1 17 Basic Process of Color Printing 1 18 Print System and Transfer System 1 19 Structure of OPC Belt Photo Developer Cartridge 1 20 Basic Struct...

Page 4: ...ack Developer Clutch Service Check 2 41 905 Yellow Black Developer Solenoid Service Check 2 42 906 Magenta Cyan Developer Solenoid Service Check 2 43 907 Toner Empty Sensor P W B Board Service Check 2...

Page 5: ...ground Service Check 2 83 Back Stain Service Check 2 84 Banding Service Check 2 85 Black Line Service Check 2 86 Color Misregistration Service Check 2 87 Insufficient Fusing Service Check 2 88 Insuffi...

Page 6: ...st 3 10 ROM Memory Test 3 10 DRAM Memory Test 3 11 Serial Wrap Test 3 12 Duplex Tests 3 13 Duplex Left Margin 3 13 Device Tests 3 14 Quick Disk Test 3 14 Disk Test Clean 3 14 Flash Test 3 15 Printer S...

Page 7: ...moval 4 8 Side Cover L Removal 4 10 Side F Cover L Removal 4 11 Top Cover Assembly Removal 4 12 Paper Exit Cover Paper Exit Front Cover Paper Exit Cover U Removal 4 13 Transfer Cover Removal 4 15 Rear...

Page 8: ...h Rear Removal 4 61 Paper Sensor Paper Feeding Sensor PT1 Removal 4 63 Paper Exit Sensor PT2 Removal 4 64 Paper Empty Sensor PEU OHP Sensor OHP Removal 4 65 Paper Size Sensor PSU Removal 4 67 Drum Jam...

Page 9: ...er Low L Removal 4 106 Duplex Cover Top R Removal 4 107 Duplex Cover Top L Removal 4 108 Duplex Cover Top B Assembly Removal 4 109 Duplex Cover Top C Assembly Removal 4 111 Duplex Cover Low B Assembly...

Page 10: ...ard 5 18 Low Voltage Power Supply LVPS Board 5 19 High Voltage Unit HVU Board 5 20 Fuser Unit LVPS Board 5 21 Connector Locations for Options 5 22 Lower Feed Unit Option 5 22 Duplex Unit 5 23 Connecto...

Page 11: ...2 Connector Assignments 5 46 Cable 3 Connector Assignments 5 47 Cable 4 Connector Assignments 5 48 Cable 5 Connector Assignments 5 49 Cable 6 Connector Assignments 5 49 Cable 7 Connector Assignments...

Page 12: ...o Use this Parts Catalog 7 1 Assembly 1 2 Assembly 2 6 Assembly 3 12 Assembly 4 16 Assembly 5 Controller RIP Card 18 Assembly 6 Printer Cable Harness Sets 20 Assembly 7 Miscellaneous 22 Assembly 8 Low...

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