Scanned Copy Quality Problems - Toshiba E-STUDIO190F Service Manual

4.3.16. Scanned Copy Quality Problems

Is the LED Array abnormal?
Check with F4 Mode (Check Out put)
No.120 Lamp.
Are there any foreign particles or
paper pieces in the scanning area?
Is the scanning area dirty?
Are the Transmitting Rollers
dirty?
Is the Scanner Assembly abnormal?
START
No
No
No
No
No
END
Yes
Replace the CIS Assembly.
Yes
Remove the foreign particles or paper
pieces from the scanning area.
Yes
1. Clean the Scanning Glass.
2. Clean the White Sheet.
Yes
Clean the rollers.
Yes
1. Check SC PCB.
2. Check CIS Assembly.
3. Replace the SC PCB (Sect. 2.).
4. Replace the CIS Assembly (Sect. 2.).
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