Xerox DocuColor 12/DCCS50, Service Manual

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DocuColor 12/DCCS50
8-135 Tray 5 Feed Out Sensor On Jam RAP
Status Indicator RAPs
Reissue
8-135 Tray 5 Feed Out Sensor On Jam RAP
The Tray 5 Feed Sensor did not detect paper within the specified time after the feed started
Initial Actions
• Refer to BSD 7.9, BSD 8.5 and BSD 8.10 for the following procedure.
• Remove the Tray 5 Upper Cover ( PL 2.10 ).
• Check for any obstructions in the paper path.
Procedure
Ensure there is paper in Tray 5. Attempt to feed a single sheet of paper from Tray 5. The
sheet of paper attempts to feed.
Y
N
Enter dC330 008-043 Main Motor 2 . Press the Start button. Main Motor 2 energizes.
Y N
Go to the Main Motor 2 RAP .
Press the Stop button. Enter dC330 008-039 Tray 5 Nudger Solenoid . Press the Start
button. The Tray 5 Nudger Solenoid energizes.
Y N
Press the Stop
button. +24 VDC is measured at P/J416B -17 on the IOT Drive
PWB.
Y
N
Replace the IOT Drive PWB ( PL 9.2
).
+24 VDC is measured at P/J416B -18 on the IOT Drive PWB.
Y N
Go to Flag 8 on BSD 7.9 and check the harness for an open circuit. If the har-
ness is good, replace the Tray 5 Nudger Solenoid ( PL 2.11 ).
Press the Start button. The voltage at P/J416B -18 goes to approximately 0
VDC.
Y
N
Replace the IOT Drive PWB ( PL 9.2 ).
Replace the Tray 5 Nudger Solenoid ( PL 2.11 ).
Enter dC330 008-037 Tray 5 Feed Clutch . Press Start . The Tray 5 Feed Clutch ener-
gizes.
Y
N
Press the Stop button. +24 VDC is measured at P/J414B -B7 on the IOT Drive
PWB.
Y
N
Replace the IOT Drive PWB ( PL 9.2 ).
+24 VDC is measured at P/J414B -B8 on the IOT Drive PWB.
Y N
Go to Flag 3 on BSD 8.5 and check the harness for an open circuit. If the har-
ness is good, replace the Tray 5 Feed Clutch ( PL 2.9 ).
Press the Start button to energize the Tray 5 Feed Clutch. The voltage at P/
J414B -B8 goes to approximately 0 VDC.
Y N
Replace the IOT Drive PWB ( PL 9.2 ).
Replace the Tray 5 Feed Clutch ( PL 2.9 ).
Check/replace the following components until the problem is resolved. Replace any com-
ponents that are worn, broken, binding, or slipping.
•
Tray 5 Feed Roll and related components ( PL 2.9 )
• Takeaway Pinch Roll, Pinch Roll, and Springs ( PL 2.10 )
• Tray 5 Nudger Roll, Tray 5 Feed Roll, and related components ( PL 2.11 )
Enter dC330 008-135 Tray 5 Feed Sensor . Press Start . Actuate the Tray 5 Feed Sensor.
The display changes from L to H.
Y
N
The display indicates a constant H.
Y
N
Go to Flag 1
on BSD 8.5 and check the harness for a short circuit. If the harness is
good, replace the Tray 5 Feed Sensor ( PL 2.10 ).
Connect the meter from P/J416B -7 on the IOT Drive PWB to machine frame. Actuate the
Tray 5 Feed Sensor. The voltage at P/J416B -7 goes from less than +1.0 VDC when
the sensor is not actuated, to +5.0 VDC when the sensor is actuated.
Y
N
There is +5 VDC between P/J416B -5 and P/J416B -3 on the IOT Drive PWB.
Y N
Go to Flag 2 on BSD 8.5 and check the harness for a short circuit. If the har-
ness is good, replace the IOT Drive PWB ( PL 9.2 ).
Go to Flag 1 and Flag 2 on BSD 8.5 and check the harness for an open circuit. If the
harness is OK, replace the Tray 5 Feed Sensor ( PL 2.10 ). If the problem continues,
replace the IOT PWB ( PL 9.2 ).
Replace the IOT Drive PWB ( PL 9.2 ).
Check/replace the following components until the problem is resolved. Replace any compo-
nents that are worn, broken, binding, or slipping.
•
Tray 5 Feed Roll and related components ( PL 2.9 )
• Takeaway Pinch Roll, Pinch Roll, and Springs ( PL 2.10 )
• Tray 5 Nudger Roll, Tray 5 Feed Roll, and related components ( PL 2.11 )
A
A
B
B
C
C