Lexmark C935 Series, Service Manual

Page: 26 / 630

xxvi
Printer Service Manual
5057-XXX
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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 printer 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 printer problems.
4.
Repair information provides instructions for making printer adjustments and removing and installing
FRUs.
5.
Connector locations uses illustrations to identify the connector locations and test points on the printer.
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
Navigation buttons
This manual contains navigation buttons in the right margin of each page, making it easier and quicker to
navigate.
Revision date Updates
2012/02/21 Changed PN 40X0556 to 40X8459 for the USB connector assembly in “Covers 2” on
page 7-4 .
2012/02/09 Added warning with symbol to the “Upper printer engine card assembly removal” on
page 4-90 and added the “Upper printer engine card assembly re-installation” on
page 4-91 .
2011/12/13 Interchanged items 2 and 3 in “Printer left door assembly 1” on page 7-17 to coincide
with the art.
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