96 5 Troubleshooting
5.3 When the Print Quality is Poor
When the print quality is poor, select the closest symptom from the following table to rectify
the problem.
If the print quality does not improve after carrying out the appropriate action, contact our
Printer Support Desk.
Symptom Reason/Action
Printing is light.
(faded, blurred).
The paper is damp. Replace with paper from a new ream.
Refer to
• “3.2 Loading Paper” (P. 47)
The drum/toner cartridge is defective/damaged or there is no more toner inside the
cartridge. Replace with a new drum/toner cartridge.
Refer to
• “6.1 Replacing the Drum/Toner Cartridge” (P. 111)
The Draft Mode feature is on. Uncheck the [Draft Mode] check box on the [Detailed
Settings] tab of the printer driver.
Refer to
• On-line Help for the printer driver
Levers on both sides of the fuser unit are raised. Open cover B of this printer and push
down the levers at both ends of the fuser unit.
Black spots or streaks are
printed.
The drum/toner cartridge is defective or damaged. Replace with a new drum/toner
cartridge.
Refer to
• “6.1 Replacing the Drum/Toner Cartridge” (P. 111)
Dirt appears at equal intervals. The feed route of the paper is stained. Print a few pages to remove the stains.
The drum/toner cartridge is defective or damaged. Replace with a new drum/toner
cartridge.
Refer to
• “6.1 Replacing the Drum/Toner Cartridge” (P. 111)
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