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Xerox DocuPrint N17 Service Manual
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Repair Analysis Procedures (RAPs)
7.4.2 Malfunctioning LCD/Malfunctioning LED
1 Switch OFF the printer power and ensure that the Cable Harness is properly connected between
P/J32 and P/J33. Check for continuity between P/J32 and P/J33.
NOTE: The System Controller Chassis will have to be removed and the Top Cover Chassis may have to
be loosened or removed to perform this check.
Y: Go to step 2.
N: Replace the Cable Harness between P/J32 and P/J33.
2 Switch the printer power ON. Check for +5VDC between P/J33-9 and P/J33-10.
Y: Replace the following parts in order:
•
Control Panel Assembly
•
System Controller
N: Go to step 3.
3 Check for +5VDC between P/J32-9 and P/J32-10.
Y: Replace the cable between P/J32 and P/J33.
N: Go to step 4.
4 Check for +5VDC between P/J25-2 and P/J25-5.
Y: Replace the Print Engine Controller.
N: Go to step 5.
5 Check for +5VDC between P/J12-2 and P/J12-5.
Y: Replace the harness between P/J25 and P/J12.
N: Go to
RAP 7.4.5 Low Voltage Power Supply (LVPS) Assembly Failure (+5VDC).
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