Develop ineo 250 - Page 298

Field Service Ver. 1.0 Aug. 2005 21. Image quality problem
259
bizhub 200/250/350
Troubleshooting
21.3.7 Scanner System: Uneven pitch
A. Typical Faulty Images
B. Troubleshooting Procedure
4040F4C500DA
Step Section Check Item Result Action
1 Scanner Motor Scanner Motor drive is being transmit-
ted.
NO Correct or change drive
coupling mechanism.
2 Exposure Lamp Exposure Lamp harness is not hooked. NO Correct.
3 Scanner Drive
Cable
Scanner Drive Cable is taut. NO Correct the wiring or
replace the cable.
4 Scanner Rails Scanner Rails are scratched or dirty. NO Clean or Change.
5 PWBs and Con-
nection Cables
Connectors are securely connected with
no bent pins and no breaks in the con-
nection cables.
NO Reconnect.
Replace the connection
cable.
6 MFBS Board Connectors on the MFBS Board are
connected properly.
NO Reconnect.
7 The problem has been eliminated after
performing step 6.
NO Change MFBS Board.
8 CCD Unit Connectors on the CCD Unit Board are
connected properly.
NO Reconnect.
9 The problem has been eliminated after
performing step 8.
NO Change CCD Unit.