Xerox DocuColor 12/DCCS50 Service Manual page 296

7. When the gear starts to rotate, remove the interlock cheater.
8. Extend the Paper Handling Drawer.
9. Remove the two screws that secure the IBT Front Frame and turn IBT handle down.
10. Extend the IBT Drawer to the service position.
Observe the Image on the IBT. The defect is present on the IBT.
Y N
The problem is in the IBT, the 2nd BTR, or the Fuser. Perform the Xerographic Hard Stop
again. This time, wait until the paper is on the Vacuum Transport before removing the
interlock cheater. The defect is present on the copy that is on the Vacuum Transport.
Y N
The problem is in the Fuser. Disassemble the fuser and carefully inspect the follow-
ing parts for damage or toner buildup.
• Pressure Roll (PL 8.3).
• Heat Roll Stripper Fingers
• Heat Rolls (PL 8.3).
• Cleaning Roll (PL 8.5).
Go to the IQ 40 2nd BTR HVPS RAP. If the 2nd BTR Power Supply is good, replace the
2nd BTR (PL 9.2). If the problem continues, replace the IBT Belt
The problem is in the Xerographic Module, the 1st BTR, or the ROS. Complete the steps below
until the problem is resolved
• If the problem is density or background related, perform a
Fault Codes are generated during the setup, use the RAPs for those Fault Codes to trou-
bleshoot the problem.
• Check the photoreceptor, the corotron wire, and the corotron screen for defects or dam-
age. If any component is questionable, replace the Xerographic Module
• Go to the IQ 41 1st BTR HVPS RAP. If the 1st BTR Power Supply is good, replace the 1st
BTR (PL 7.6).
• Replace the ROS (PL 4.1).
Image Quality
IQ 17 Deletions RAP
(PL 8.3),
(PL 7.5).
ADJ 9.1.1 Max Setup. If any
(PL 5.3).
1/05
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Figure 1 Registration Drive Gear
Registration
Drive Gear
Reissue
DocuColor 12/DCCS50