Xerox WorkCentre 7525, 7530, 7535, 7545, 7556 Service Manual
This manual is the primary document used for repairing and maintaining the troubleshooting.
Section 1 Service Call Procedures
This section contains procedures that determine what actions are to be taken during a service
call on the machine and in what sequence they are to be completed. This is the entry level for
all service calls.
Section 2 Status Indicator RAPs
This section contains the diagnostic aids for troubleshooting the Fault Code and non-Fault
Code related faults (with the exception of image quality problems).
Section 3 Image Quality
This section contains the diagnostic aids for troubleshooting any image quality problems, as
well as image quality specifications and image defect samples.
Section 4 Repairs/Adjustments
This section contains all the Adjustments and Repair procedures.
Repairs include procedures for removal and replacement of parts which have the following
When there is a personnel or machine safety issue.
When removal or replacement cannot be determined from the exploded view of the Parts List.
When there is a cleaning or a lubricating activity associated with the procedure.
When the part requires an adjustment after replacement.
When a special tool is required for removal or replacement.
Use the repair procedures for the correct order of removal and replacement, for warnings, cautions, and notes.
Adjustments include procedures for adjusting the parts that must be within specification for the correct operation of the system.
Use the adjustment procedures for the correct sequence of operation for specifications, warnings, cautions and notes.
Section 5: Parts Lists
This section contains the Copier/Printer Parts List.
Section 6: General Procedures/Information
This section contains General Procedures, Diagnostic Programs, and Copier/Printer Information.
Section 7: Wiring Data
This section contains drawings, lists of plug/jack locations, and diagrams of the power distribution
wire networks in the machine. Individual wire networks are shown in the Circuit Diagrams
contained in Section 2. This section also contains the Block Schematic Diagrams.
How to Use this Documentation
The Service Call Procedures in Section 1 describe the sequence of activities used during the
service call. The call must be entered using these procedures.
Use of the Block Schematic Diagrams
Block Schematic Diagrams (BSDs) are included in Section 7 (Wiring Data) of the Service Manual.
The BSDs show the functional relationship of the electrical circuitry to any mechanical, or
non-mechanical, inputs or outputs throughout the machine. Inputs and outputs such as motor
drive, mechanical linkages, operator actions, and air flow are shown. The BSDs will provide an
overall view of how the entire subsystem works.
It should be noted that the BSDs no longer contain an Input Power Block referring to Chain 1. It
will be necessary to refer to the Wirenets in order to trace a wire back to its source.
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