8-117 Tray 3 Feed Out Sensor On Rap; 8-119 Tray 4 Prefeed Sensor On Jam Rap - Xerox DocuColor 12/DCCS50 Service Manual

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8-117 Tray 3 Feed Out Sensor On RAP

The Tray 3 Feed Out Sensor detected paper when closing the Front Cover or when power was
switched on.
Initial Actions
Refer to BSD 8.3 and BSD 8.10 for the following procedure.
Check for any obstructions in the paper path.
Procedure
Enter dC330 008-115 Tray 3 feed out Sensor. Press Start. The display indicates L.
Y
N
Go to
Flag 3
and
Flag 4
on BSD 8.3 and check the harness for an open circuit. If the har-
ness is good, replace the Tray 3 Feed Out Sensor
If the fault code is present and can not be cleared, replace the Tray PWB
code is not present and is occurring intermittently, go to
ness for an intermittent short circuit. If the harness is OK, ensure that the sensor actuator
moves freely. If the actuator is OK, replace the Tray 3 Feed Out Sensor
continues, replace the Tray PWB
(PL
9.3).
Status Indicator RAPs
8-117 Tray 3 Feed Out Sensor On RAP, 8-119 Tray 4
(PL
2.8).
(PL
9.3). If the fault
Flag 3
on BSD 8.3 and check the har-
(PL
2.8). If the problem
1/05
2-88
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8-119 Tray 4 Prefeed Sensor On Jam RAP

The Tray 4 Prefeed Sensor did not detect paper within the specified time after the prefeed
started.
Initial Actions
Ensure that the No Paper Sensor is properly installed in the Paper Tray Feed Head.
Refer to BSD 7.8, BSD 8.4, and BSD 8.10 for the following procedure.
Check for any obstructions in the paper path.
Pull out Paper Tray 4.
Open the Lower Left Door
(PL
2.8).
Open the Tray 4 Feeder
(PL
2.4).
Procedure
Cheat the L/H Cover Interlock Switch. Enter dC330 008-119 Tray 4 Pre feed Sensor. Press
Start. Block the Tray 4 Prefeed Sensor with a sheet of paper. The display changes from H
to L.
Y
N
The display indicates a constant H.
Y
N
Go to
Flag 1
on BSD 8.4 and check the harness for a short circuit. If the harness is
good, replace the Tray 4 Prefeed Sensor
Connect the meter from P/J415A-8 on the IOT Drive PWB to machine frame. Block the
Tray 4 Prefeed Sensor with a sheet of paper. The voltage at P/J415A-8 goes from +5
VDC when the sensor is not blocked, to less than +1.0 VDC when the sensor is
blocked.
Y
N
There is +5 VDC between P/J804-5 and P/J804-3 on the Tray PWB.
Y
N
Go to
Flag 2
on BSD 8.4 and check the harness for a short circuit. If the har-
ness is good, replace the Tray PWB
Go to
Flag 1
and
Flag 2
on BSD 8.4 and check the harness for an open circuit. If the
harness is OK, replace the Tray 4 Prefeed Sensor
replace the Tray PWB
(PL
9.3).
Replace the Tray PWB
(PL
9.3).
Enter dC330 008-023 Tray 4 Feed/Lift Motor (Feed). Press Start and Stop several times.
The Tray 4 Feed/Lift Motor energizes and deenergizes.
Y
N
Go to the
7-284 Tray 4 Lift Motor Failure RAP
Enter dC330 008-021 Tray 4 Nudger Roll Solenoid. Press Start and Stop several times.
The Tray 4 Nudger Solenoid energizes.
Y
N
Press the Stop button. There is +24 VDC at P/J804-1 on the Tray PWB.
Y
N
Replace the Tray PWB
(PL
9.3).
A
B
(PL
2.5).
(PL
9.3).
(PL
2.5). If the problem continues,
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