Xerox WorkCentre 7132 Service Documentation page 158

012-211 Stacker Tray RAP
BSD-ON:12.8
After Stacker Tray started descending, the Stack Height Sensor did not turn Off within the spec-
ified time.
Initial Actions
• Power Off/On
• Remove obstructions under the tray.
• Check the operation of the Stack Height Sensor actuator.
Procedure
Execute Component Control [012-267 Stack Height Sensor]. Actuate Stack Height Sensor with
paper. The display changes.
Y N
Check the connections of P/J8850, P/J8825 and P/J8815. P/J8850, P/J8825 and P/
J8815 are connected correctly.
Y N
Connect P/J8850, P/J8825 and P/J8815.
Check the wire between J8850 and J8815 for an open circuit or a short circuit (BSD 12.8
Flag 1/Flag 2). The wire between J8850 and J8815 is conducting without an open
circuit or a short circuit.
Y N
Repair the open circuit or short circuit.
Measure the voltage between the Finisher PWB P8850-B6 (+) and GND (-) (BSD 12.8
Flag 2). The voltage is approx. +5VDC.
Y N
Replace the Finisher PWB (PL 17.12).
Measure the voltage between the Finisher PWB P8850-B5 (+) and GND (-) (BSD 12.8
Flag 1).
Actuate the Stack Height Sensor with paper. The voltage changes.
Y N
Replace the Stack Height Sensor (PL 17.5).
Replace the Finisher PWB (PL 17.12).
Alternately execute Component Control [012-060 Stacker Motor up ON] and Component Con-
trol [012-061 Stacker Motor down ON]. The Stacker Motor starts up.
Y N
Check the connections of P/J8847 and P/J8827. P/J8847 and
nected correctly.
Y N
Connect P/J8847 and P/J8827.
Check the wire between J8847 and P8827 for an open circuit or a short circuit (BSD 12.8
Flag 5). The wire between J8847 and P8827 is conducting without an open circuit or
a short circuit.
A
Revision
WorkCentre 7132
A
Y N
Repair the open circuit or short circuit.
Replace the Stacker Motor (PL 17.10). If the problem persists, replace the Finisher PWB
(PL 17.12).
Replace the Finisher PWB (PL 17.12). If the problem persists, replace the MCU PWB (PL
11.1).
P/J8827 are con-
January 2007
2-135
Status-indicator-raps
012-211