Specifications

4-14

4.12.8 White (Black) Line

Symptom: White or black strip appears vertically through image.

Poor development

Replace the Toner Cartridge.

Defective Drum

Replace the Drum Cartridge.

Improper charging

Clean the Charge Wire.

Replace the Drum Cartridge.

Improper fusing

Replace the Fusing Unit.

Poor image transfer

Replace the Image Transfer Unit.

Improper LED exposure

Replace the LED Print Head Unit.

Poor scanning

Clean the ADF glass.

4.12.9 Toner Smudges

Symptom: Background appears “peppered” with black spots.

Poor scanning

Clean the ADF glass.

Improper fusing

Clean the Fusing Rollers. If it is not effective, replace Rollers or the Fusing

Unit.

Improper cleaning

Replace the Drum Unit.

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