DP-2310, DP-23010 - Panasonic Copying Equipment Service Manual (repair manual). Page 118

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118
DP-2310/3010
APR 2003
Ver. 1.00
4.3.17. Scanned Copy Quality Problems
START
No
Yes
Is the Scanning Lamp 
abnormal?
Replace the Scanning Lamp.
END
Are the Transmitting 
Rollers dirty?
Are there any foreign particles 
or paper pieces in the scanning 
area?
Yes
No
Remove the foreign particles or paper 
pieces from the scanning area. 
No
Yes
Is the scanning area dirty?
1. Clean the Scanning Glass.
2. Clean Mirrors 1 and 2.
No
Yes
Clean the rollers.
Is the Scanner Block abnormal?
1. Check CN (SC PCB). 
2. Check CN (CCD PCB).
3. Replace the CCD Assembly.
4. Replace the SC PCB.
Yes
No
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