January 2007
2-74
WorkCentre 7132
005-144, 005-145
Revision
Status-indicator-raps
005-144 CVT Pre Reg Sensor Jam
BSD-ON:5.4
Pre Regi Sensor turns ON earlier than the specified timing due to document Skew.
Procedure
Caused by Big Skew at start of feed. To perform investigation on cause of Skew. Ensure the
following:
1. Document Guide is set correctly.
2. Nudger Roll is aligned correctly against Document Tray.
3. Feed Roll and Retard Roll does not contact at some point improperly.
4. Curl is not so big.
5. Size combination is within spec. (Mixed Sizes)
005-145 CVT Registration Sensor Off Jam (Invert) RAP
BSD-ON:5.4/5.5
After the DADF Pre Registration Sensor turned Off at Invert, the Registration Sensor did not
turn Off within the specified time.
Initial Actions
• Open the DADF Top Cover and remove the paper.
• Power Off than On
Procedure
Execute Component Control [005-110]. Actuate the DADF Registration Sensor with paper.
The display changes.
YN
Check the connections of P/J782 and P/J761. P/J782 and P/J761 are connected cor-
rectly.
YN
Connect P/J782 and P/J761.
Check the wire between J782 and J761 for an open circuit or a short circuit (BSD 5.5 Flag
1/Flag 2).
The wire between J782 and J761 is conducting without an open circuit or
a short circuit.
YN
Repair the open circuit or short circuit.
Measure the voltage between the DADF PWB P761-15 (+) and GND (-) (BSD 5.5 Flag
2).
The voltage is approx. +5VDC.
YN
Replace the DADF PWB (PL 16.3).
Measure the voltage between the DADF PWB P761-14 (+) and GND (-) (BSD 5.5 Flag
1).Actuate the DADF Registration Sensor with paper.
The voltage changes.
YN
Replace the DADF Registration Sensor (PL 16.7).
Replace the DADF PWB (PL 16.3).
Execute Component Control [005-001]. The DADF Feed Motor starts up.
YN
Check the connections of P/J764 and P/J754. P/J764 and P/J754 are connected cor-
rectly.
YN
Connect P/J764 and P/J754.
Check the wire between J764 and J754 for an open circuit or a short circuit (BSD 5.5 Flag
1).
The wire between J764 and J754 is conducting without an open circuit or a short
circuit.
YN
Repair the open circuit or short circuit.
A B
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