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TROUBLESHOOTING FOR COPY IMAGE
1.3.3 Partial Void Image
Paper wrinkling at void area?
Yes
No
Does paper wrinkling still occur after replacing paper?
Yes
Does paper wrinkling still occur when using manual feed?
Yes
Check and repair the paper feed and transfer section.
Paper has absorbed moisture.
⇒ Replace paper.
Paper wrinkling due to malfunction of the paper feed mechanism causes void area.
⇒ Check and repair the paper feed section.
1.3.4 Leading Edge Void Area
Do void areas appear only at the paper leading edge?
Yes
Transfer entrance mylar gap is too narrow.
⇒ Adjust transfer entrance mylar gap.
1.3.5 Trailing Edge Void Area
Do void arrears appear in line image areas as well as solid areas?
Yes
No
PTL off timing is not set properly.
⇒ Change PTL off mode.
Transfer corona current is too high.
⇒ Clean the transfer corona unit and adjust the current if necessary.
No
6-8
31 December 1992
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