January 2007
2-136
WorkCentre 7132
012-212
Revision
Status-indicator-raps
012-212 Stacker Tray Upper Limit RAP
BSD-ON:12.8/12.9
After the Stacker Tray started descending, the Stacker Upper Limit Sensor remained ON.
Initial Actions
• Power Off/On
• Remove obstructions under the tray.
Procedure
Execute Component Control [012-260 Stacker Upper Limit Sensor]. Actuate the Stacker Upper
Limit Sensor with paper.
The display changes.
YN
Check the connections of P/J8850 and P/J8810. P/J8850 and P/J8810 are con-
nected correctly.
YN
Connect P/J8850 and P/J8810.
Check the wire between J8850 and J8810 for an open circuit or a short circuit (BSD 12.9
Flag 2/Flag 2).
The wire between J8850 and J8810 is conducting without an open
circuit or a short circuit.
YN
Repair the open circuit or short circuit.
Measure the voltage between the Finisher PWB P8850-A12 (+) and GND (-) (BSD 12.9
Flag 2).
The voltage is approx. +5VDC.
YN
Replace the Finisher PWB (PL 17.12).
Measure the voltage between the Finisher PWB P8850-A11 (+) and GND (-) (BSD 12.9
Flag 2).
Actuate the Stacker Upper Limit Sensor with paper. The voltage changes.
YN
Replace the Stacker Upper Limit Sensor (PL 17.10).
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.
YN
Check the connections of P/J8847 and P/J8827. P/J8847 and P/J8827 are con-
nected correctly.
YN
Connect P/J8847 and P/J8827.
Check the wire between J8847 and J8827 for an open circuit or a short circuit (BSD 12.8
Flag 5).
The wire between J8847 and J8827 is conducting without an open circuit or
a short circuit.
YN
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).
A
A
B
B
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