Ccd Aoc2 - Xerox DocuColor 2240 Service Manual

15-387 CCD AOC2

Automatic Offset Control (AOC) for CCD Channel 21 failed.
Initial Actions
• Verify that the Platen Glass is installed correctly
• Verify that NVM location 715-400 = 1
Procedure
Enter dC330 [6-002] and press Start. The Exposure Lamp illuminates.
Y N
Go to the 6-371 RAP.
The Exposure Lamp illumination is bright and steady.
Y N
Go to Figure 1 and check P/J724 for an open or short circuit.
Verify that P/J742 on the Lamp Ballast PWB and
If the wires and connectors are good, replace the Exposure Lamp
If the problem continues, replace the Lamp Ballast PWB
If the problem continues, replace the IIT/IPS PWB
Remove the Platen Glass (REP 6.2). The white reference strip on frame under the Regis-
tration Gate is clean and undamaged.
Y N
Clean the white reference strip.
Go to Figure 2 and check the flat cables on the IIT/IPS PWB ( P/J721) and the CCD PWB (
J741) for damage. Reseat the flat cable.
If the problem continues, replace the Lens Kit
If the problem continues, replace the IIT/IPS PWB
Status Indicator RAPs
15-387
(REP 6.2).
P/J724 on the IIT/IPS PWB are seated.
(PL 18.6).
(PL 18.6).
(PL 18.3).
(PL 18.4).
(PL 18.3).
Figure 1 15-387 RAP Circuit Diagram - Lamp Ballast
P/
Figure 2 15-387 RAP Circuit Diagram - CCD
09/03
2-318
Initial issue
DC 3535/2240/1632, WC M24