Bad Image - Samsung ML-1665 Service Manual

4.2.4 Bad image

1) Vertical Black Line and Band
Description : 1. Straight thin black vertical line occurs in the printing.
2. Dark black vertical band occur in the printing.
the Toner cartridge. Deformed Doctor-blade
the charge roller in the toner cartridge.
Service Manual
Alignment and Troubleshooting
1. Damaged develop roller in
or cleaning-blade.
2. Scratched surface of
3. Partly depression or
deformation on the surface of
the transfer roller.
If causes 1 and 2 occur in the
toner cartridge, replace the toner
cartridge and try to print out.
Replace the transfer roller if
occurred as No. 3.
4-24
Samsung Electronics