Image Reading Section: Periodically Uneven Image - Konica Minolta Di1611 Service Manual

Di1611/Di2011 FIELD SERVICE Ver.1.0 Mar. 2004
4.4.10

Image Reading Section: Periodically uneven image

Step
1 Scanner Motor (M5) is securely fastened using the
dedicated fixing screws.
2 Scanner Motor (M5) drive mechanism is dirty or
damaged.
4 Scanner drive mechanism pulley is dirty with for-
eign matter, scratchy, deformed, worn, or dam-
aged.
5 Scanner Drive Cables are wound incorrectly.
6 Scanner rails and bushings are dirty with foreign
matter, scratchy, deformed, worn, or damaged.
7 Scanner moves smoothly.
<Check Procedure>
Gently move the Scanner by hand to check for
smooth operation.
8 CCD Board (PWB-J) connector is loose.
9 Control Board (PWB-C/C) connector is loose.
<Typical Faulty Images>
Check
3-51
TROUBLESHOOTING
4011T528AA
Result Action
NO • Secure in position.
YES • Clean or change.
YES • Remove foreign
matter or change.
YES • Re-wind Scanner
Drive Cables.
YES • Clean or change.
NO • Lubricate the Scan-
ner rails.
• Reinstall Scanner.
YES • Reconnect.
YES • Reconnect.
NO • Change CCD Unit.
• Change Control
Board (PWB-C/C).