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Xerox DocuPrint N17 Service Manual
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Repair Analysis Procedures (RAPs)
10 With the printer’s resolution set to 600 DPI, there is a high logic level (approxi5VDC)
measured between P/J18-2 and P/J18-3 and between P/J18-1 and P/J18-3.
NOTE: To perform this analysis, disconnect P/J15 from the Print Engine Controller and close all covers.
Y: Go to step 11.
N: Replace the Print Engine Controller.
11 Enter the Test Print Mode. Check for approxi5VDC between P/J18-4 and P/J18-3.
There is a low logic level (approximately 0VDC) when the Scanner Motor is turned on and a high
logic level (approxi5VDC) when the Scanner Motor is turned off.
Y: Go to step 12.
N: Replace the Print Engine Controller.
12 There is +5VDC between P/J19-3 and P/J19-1.
Y: Go to step 13.
N: Go to
RAP 7.4.5 Low Voltage Power Supply (LVPS) Assembly Failure (+5VDC).
13 There is continuity between P/J18 and P/J112 and between P/J18 and P/J114.
Y: Go to step 14.
N: Replace the Laser Harness.
14 There is continuity between P/J19 and P/J113.
Y: Go to step 15.
N: Replace the SOS Harness.
15 Problem is resolved.
Y: Correction is complete.
N: Replace the Laser Assembly.
NOTE: If the U2 problem is not resolved, go to RAP 7.4.25 Electrical Noise.
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Содержание DocuPrint N17
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