Xerox 5400N - Phaser B/W Laser Printer, Service Quick Reference Manual

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Phaser 5400 Laser Printer Service Guide 175
13 ELECTRICAL NOISE CHECK
1. Go to RAP 60 (Electrical Interference) and
troubleshoot for a possible internal or external
interference problem.
2. After you finish with RAP 60, return to this step and
monitor printer operation.
Does the printer display erratic operation?
Go to
Step 14. Problem
solved.
14 CUSTOMER NOTIFICATION
1. Notify customer the cause of the problem seems to be
a communication problem between the host computer
and the printer.
2. The customer should contact support for help with the
communication problem.
15 The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Fault Isolation Procedure, replace each
component or troubleshoot each area listed below, one
at a time, until you isolate and solve the problem.
■
Wiring and connectors linking the components
■
Interlock switches and circuits
■
Xerographic components and High Voltage Power
Supply (RRP 8.2, page 307 )
■
Computer Interface Cable
■
Control Panel (RRP 8.9, page 315 )
■
AC Driver Board (RRP 8.8, page 314 )
Table 99 Erratic Printer Operation Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No