Develop ineo 250 Service Manual Field page 298

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

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