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Xerox DocuPrint N17 Service Manual
7-17
Repair Analysis Procedures (RAPs)
7.3.6 “Close Covers” Message (E5)
1 The Front Cover Assembly actuates the interlock switch when the Cover is closed, and
deactuates it when the Cover is open.
NOTE: You can inspect this while performing the Diagnostic Mode 1, Sensor Input Test.
Y:
Go to step 3.
N:
Go to step 2.
2 Ensure voltages between P/J11-13 and P/J12-5 are +5VDC while the Interlock Switch is
actuated.
Y:
Go to step 4.
N:
Go to step 3.
3 5VDC between P/J131-1 and P/J12-5.
Y: Check for continuity between P/J131-1 and P/J11-13, and then replace the appropriate
harness.
N: Replace the LVPS.
4 The Rear Cover Assembly obstructs the Rear Cover Sensor when the Cover is closed, and does
not obstruct it when the Cover is open.
NOTE: You can inspect this while performing the Diagnostic Mode 1, Sensor Input Test.
Y:
Replace the Print Engine Controller PWB.
N:
Go to step 5.
5 There is +5VDC between P/J28-6 and P/J28-4.
Y:
Go to step 6.
N:
Replace the Print Engine Controller.
6 There is +5VDC between J124-1 and J124-3.
Y: Go to step 7.
N: Check the Rear Cover Interlock Harness for continuity. If good, replace the Print Engine
Controller.
7 Voltage at P/J124-2 (Rear Cover Interlock) is +0VDC when the cover is closed and +5VDC when
the cover is open.
Y:
Replace the Print Engine Controller.
N:
Replace the Rear Interlock Sensor.
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