xx Service Manual
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Preface
This manual contains maintenance procedures for service personnel. It is divided into the following chapters:
1. General information contains a general description of the MFP and the maintenance approach used to
repair it. Special tools and test equipment, as well as general environmental and safety instructions, are
discussed.
2. Diagnostic information contains an error indicator table, symptom tables, and service checks used to
isolate failing field replaceable units (FRUs).
3. Diagnostic aids contains tests and checks used to locate or repeat symptoms of MFP problems.
4. Repair information provides instructions for making MFP adjustments and removing and installing FRUs.
5. Connector locations uses illustrations to identify the connector locations and test points on the MFP.
6. Preventive maintenance contains the lubrication specifications and recommendations to prevent
problems.
7. Parts catalog contains illustrations and part numbers for individual FRUs.
Appendix A contains service tips and information.
Appendix B contains representative print samples.
Change history
Revision date Updates
2013/06/25 Added CPU fan removals and parts catalog entry.
2012/11/15 Updated part numbers in Assembly 2: “Front” on page 7-5:
• 40X8110 replaced 40X5093
• 40X8111 replaced 40X5094
• 40X8112 replaced 40X5095
2012/06/13 Added the topic “Print quality—white gapping” on page 2-157.
2012/06/01 Added the topic “Cartridge guide wheel removal” on page 4-63.
2011/11/03 • Added the “Auger drive removal” on page 4-56.
• Added the “Waste toner HV contact assembly removal” on page 4-213.
• Added the “Contact springs kit removal” on page 4-79 with the following sub
removals:
“Charge roll contact spring removal” on page 4-79
“HVPS contact springs removal” on page 4-80
“Torsion spring removal” on page 4-81, which was formerly contact spring removal
• Updated the “Left” on page 7-11 to add the auger drive and shaft and waste toner HV
contact part numbers.
• Updated the illustration for “Left” on page 7-10 to include the auger drive and shaft and
waste toner HV contact.
2011/08/11 Changed the part number for the fax modem card from 40X4821 to 40X7055 for “Options
and features” on page 7-25.
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