Dell 1135N Service Manual - Page 102
The cause and solution of Bad image
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Alignment and Troubleshooting 4.2.2 The cause and solution of 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. 1. Damaged develop roller in the Toner cartridge. Deformed Doctor-blade or cleaning-blade. 2. Scratched surface of the charge roller in the toner cartridge. If causes 1 and 2 occur in the toner cartridge, replace the toner cartridge and try to print out. 3. Partly depression or deformation on the surface of the transfer roller. Replace the transfer roller if occurred as No. 3. Service Manual 4-29
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Alignment and Troubleshooting
4-29
Service Manual
4.2.2 The cause and solution of 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.
3. Partly depression or
deformation on the surface of
the transfer roller.
2. Scratched surface of
the charge roller in the toner cartridge.
1. Damaged develop roller in
the Toner cartridge. Deformed Doctor-blade
or cleaning-blade.
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.