Xerox DocuColor 12/DCCS50, Service Manual

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DocuColor 12/DCCS50
5-113 DADF Registration Sensor OFF Dynamic Jam
Reissue
Status Indicator RAPs
5-113 DADF Registration Sensor OFF Dynamic Jam
(during Original Reverse) RAP
The DADF Registration Sensor did not actuate within 1,150 msec. after the DADF Transport
Motor was energized during reversal of the original.
Initial Actions
Check for the following:
•
Obstructions in the document transportation path.
• Clean Document Belt
• Refer to BSD 5.2, 5.3 and 5.4 for the following procedure.
Procedure
Enter dC330 005-056 Belt Motor CCW . The DADF Document Transport is moving in the
reverse direction.
Y
N
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 replace
the DADF Control PWB ( PL 12.3 ). If the problem continues, replace the DADF Belt Motor
( PL 12.6 ).
Check the following parts for wear, slipping, or damage.
•
Duplex Drive Roll 1
• Duplex Drive Roll 2
• Registration Roll
• Registration Pinch Roll
• Document Belt
If the above items are good, replace the Registration Sensor ( PL 12.5 ).
5-115 DADF Exit Sensor ON Dynamic Jam RAP
The DADF Exit Sensor did not actuate within 800 msec. after the DADF Transport Motor was
energized, while exchanging or discharging the original.
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 lead 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 ( PL
12.9
). If the fuse blows again, replace the DADF Control PWB ( PL 12.3 ).
Press Stop . +24 VDC is measured between P/J596 -2, P/J596 -3, P/J596 -4 P/
J596 -5 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 . Press Start. Approximately +17 VDC is mea-
sured 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
A
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