Diagnostic Flowcharts - Xerox DocuMate 252 Service Manual

4.1.3 Diagnostic flowcharts

Use the flowcharts that follow to determine the exact problem when either the online
or offline diagnostics indicate a group error. Refer to Chapter 4 for parts replacement.
4.1.3.1 Group 1 error flowchart (CCFL assembly)
This flowchart applies when the Error LED shows number 7 and 8.
Yes
CCD error
Replace optical
assembly
Group 1 Error
CCFL is on?
Inverter error
Replace lamp
inverter circuit
Yes
CCFL is on?
End of test
Replace the CCFL
4-3
No
No
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