Mbf Tray No Paper Sensor Failure - Xerox DOCUPRINT N17 Service Manual

7.4.12 MBF Tray No Paper Sensor Failure

1 There is +5VDC between P/J122-3 and P/J122-2.
Y: Go to step 3.
N: Go to step 2.
2 There is +5VDC between P/J17-1 and P/J17-2.
Y: Replace the MBF No Paper Sensor.
N: Go to RAP 7.4.5 Low Voltage Power Supply (LVPS) Assembly Failure (+5VDC).
3 The voltage measured between P/J17-3 and P/J17-2 is at a low logic level (0VDC) when the
MBF No Paper Sensor detects paper and at a high logic level (+5VDC) when the MBF No Paper
Sensor detects no paper.
Y: Go to step 4.
N: Replace the MBF No Paper Sensor.
4 The voltage measured between P/J11-3 and P/J17-2 is 0VDC when there is paper at the sensor.
Y: Go to step 5.
N: Replace the LVPS.
5 The voltage measured between P/J13-11 and P/J17-2 is 0VDC.
Y: Replace the Print Engine Controller.
N: Replace the Wire Harness between P/J11 and P/J13.
Repair Analysis Procedures (RAPs)
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