Xerox DocuColor 12/DCCS50, Service Manual

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DocuColor 12/DCCS50
5-115 DADF Exit Sensor ON Dynamic Jam RAP, 5-
Status Indicator RAPs
Reissue
• Exit Roll
• Exit Pinch Roll
• Document Belt
Platen Glass
Enter dC330 005-115 Exit Sensor . Press Start. Block the DADF Exit Sensor. The display
changed from L to H.
Y
N
With paper at the DADF Exit Sensor, less than +1 VDC is measured at P/J599 -19 on
the DADF Control PWB.
Y
N
+5 VDC is measured between
P/J589 -1 and P/J589 -3 on the DADF Exit Sen-
sor.
Y
N
Go to Flag 3 BSD 5.5. Check the wires for an open circuit or a short circuit. If
the wires are good, replace the DADF Control PWB ( PL 12.3 ).
Go to Flag 1 on BSD 5.5. Check the wire for an open circuit. If the wire is good,
replace the DADF Exit Sensor ( PL 12.9 ).
Replace the DADF Control PWB ( PL 12.3 ).
Check the following parts for wear, slipping excessive contamination or damage.
•
Exit Roll Drive Belt
• Exit Roll
• Exit Pinch Roll
• Document Belt
• Platen Glass
If the above items are good and free from excessive contamination, replace the DADF Exit
Sensor (
PL 12.9 ).
5-116 DADF Exit Sensor OFF Dynamic Jam RAP
The DADF Exit Sensor did not deactuate within 650 msec after it was actuated.
Initial Actions
Check for the following:
•
Obstructions in the document transportation path.
• Contamination on the DADF Exit Sensor.
• Ensure that connectors P/J595 , P/J599 and P/J589 are seated correctly on the DADF
Control PWB and DADF Exit Sensor and there are no obvious crimped or broken wires.
• Refer to BSD 5.5 for the following procedure.
Procedure
The trail edge of the document is past the Exit Sensor.
Y
N
Enter dC330 005-081 Exit Motor . The DADF Exit Motor energizes.
Y N
Remove the DADF Rear Cover. Check the Fuse (F2) on the DADF Control PWB.
The fuse is good.
Y
N
Install a new fuse. If the fuse blows again, replace the DADF Exit Motor. If the
fuse blows again, replace the DADF Control PWB.
Press Stop . +24 VDC is measured between pins 2, 3, 4, 5 of P/J596 and GND.
on the DADF Control PWB.
Y
N
+24 VDC is measured between
P/J596 -1 and GND on the DADF Control
PWB.
Y
N
Ensure that Fuse F2 on the DADF Control PWB is good. If the Fuse is
good, replace the DADF Control PWB (
PL 12.3 ).
Go to Flag 2 on BSD 5.5. Check the wires for an open circuit. If the wires are
good, replace the DADF Exit Motor ( PL 12.9 ).
Enter dC330 005-081 Exit Motor . The Press Start. Approximately +17 VDC is
measured between pins 2, 3, 4, and 5 of P/J596 and GND on the DADF Control
PWB.
Y
N
Replace the DADF Control PWB ( PL 12.3 ). If the problem continues, replace
the DADF Exit Motor ( PL 12.9 ).
Replace the DADF Exit Motor ( PL 12.9 ).
Check the Platen Belt and the Platen Belt Drive components. Repair or replace as
required. If the problem continues perform
ADJ 12.3.3 . If the problem continues check the
following parts for wear, slipping excessive contamination or damage.
•
Exit Roll Drive Belt
• Exit Roll
A
A