Sensor Assembly Size Failure - Xerox DOCUPRINT N17 Service Manual

8.9.5 Sensor Assembly Size Failure

1 Press the Sensor Size Assembly. Check if the spring actuates the corresponding Paper Size
switch. Conduct a visual inspection after removing the 500 Tray Assembly.
Y: Go to step 2.
N: Replace the relevant 500 Paper Size PWB Assembly.
2 There is +5VDC between P/J22-6 and P/J22-7.
Y: Go to step 3.
N: Go to RAP 7.4.5 Low Voltage Power Supply (LVPS) Assembly Failure (+5VDC).
3 Check for the voltage between P/J22-4 and PJ22-7, and between P/J22-5 and P/J22-7. The
result is compatible with the value the switch combination shown in Table 8.9.5.1 Second and
Third Trays .
Y: Replace the Print Engine Controller.
N: Go to step 4.
4 There is continuity between J22 and J200.
Y: Go to step 5.
N: Replace the Tray Harness Assembly.
5 There is continuity between J200 and J216 (Deck 2). There is continuity between J219 and J220
(Deck 3).
Y: Replace the 500 Paper Size PWB Assembly.
N: Replace the 500 Harness Assembly.
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8-37 500-Sheet Paper Feeder Option