8-158 Pre Ibt Sensor On Jam Rap; 8-163 Pre Ibt Sensor On Jam Rap - Xerox DocuColor 12/DCCS50 Service Manual

8-158 Pre IBT Sensor On Jam RAP

The Pre IBT Sensor detected paper when closing the Front Cover or when power was switched
on.
Initial Actions
• Refer to BSD 8.8 and BSD 8.10 for the following procedure.
• Check for any obstructions in the paper path.
Procedure
Enter dC330 008-163 Pre IBT Sensor. Press Start. The display indicates H.
Y N
Go to Flag 3 on BSD 8.8 and check the harness for a short circuit. If the harness is OK,
replace the Pre IBT Sensor (PL 7.10).
If the fault code is present and can not be cleared, replace the IOT Drive PWB
fault code is not present and is occurring intermittently, go to
harness for an intermittent short circuit. If the harness is OK, replace the Pre IBT Sensor (PL
7.10). If the problem continues, replace the IOT Drive PWB
Status Indicator RAPs
8-158 Pre IBT Sensor On Jam RAP, 8-163 Pre IBT Sen-

8-163 Pre IBT Sensor On Jam RAP

The Pre IBT Sensor did not actuate within the specified time after the Registration Feed
started:
Initial Actions
•
•
Procedure
Enter dC330 008-163 Pre IBT Sensor. Press Start. The display is H.
Y
(PL 9.2). If the
Flag 3 on BSD 8.8 and check the
(PL 9.2).
Cheat the Front Door Interlock. Open the Drawer and block the Pre IBT Sensor with a sheet of
paper. Carefully close the drawer. Enter dC330 008-163 Pre IBT Sensor. Press Start. The
display is L.
Y
Enter dC330 008-054 Registration Motor. Press Start. The Registration Motor energizes.
Y
Check/replace the following components until the problem is resolved. Replace any compo-
nents that are worn, broken, binding, or slipping.
•
•
•
1/05
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Refer to BSD 8.8 and BSD 8.10 for the following procedure.
Check for any obstructions in the paper path.
N
+5 VDC is measure between P/J420A-A8 on the IOT Drive and GND.
Y N
Go to Flag 3 on BSD 8.8 and check the harness for a short circuit. If the harness is
good, replace the Pre IBT Sensor (PL
Replace the IOT Drive PWB (PL 9.2).
N
There is +5 VDC between P/J420A-A9 and P/J420A-A7 on the IOT Drive PWB.
Y N
Go to Flag 4 on BSD 8.8 and check the harness for a short circuit. If the harness is
good, replace the IOT Drive PWB (PL
Go to Flag 3 and Flag 4 on BSD 8.8 and check the harness for an open circuit. If the har-
ness is OK, replace the Pre IBT Sensor
IOT Drive PWB (PL 9.2).
N
Go to the Registration Motor RAP.
Gears on the 2nd BTR (PL 7.10)
Check for burrs on the Inlet Plate (PL 7.10)
2nd BTR Assembly (PL 7.9)
7.10).
9.2).
(PL 7.10). If the problem continues, replace the
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