When The Print Quality Is Poor - Oki es7120 Reference Manual

W
HEN 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
service.
SYMPTOM
Printing is
light.
(faded,
blurred).
Black spots or
streaks are
printed.
Toner appears
at equal
intervals.
White dots
appear in
black filled
areas.
REASON/ACTION
The paper is damp. Replace with paper from a new
ream.
See "Prohibited media types and conditions - usable
paper" on page 30.
The drum/toner cartridge is defective/damaged or
there is no more toner inside the cartridge. Replace
with a new drum/toner cartridge.
See "Drum/Toner cartridge replacement" on
page 116.
The Toner Saving feature is on. Uncheck the Toner
Saving checkbox on the Graphics tab of the printer
driver.
Online 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.
The drum/toner cartridge is defective or damaged.
Replace with a new drum/toner cartridge.
The paper feed path contains excess toner. Print a few
pages to eliminate the toner from the paper path.
The drum/toner cartridge is defective or damaged.
Replace with a new drum/toner cartridge.
The paper used is not suitable. Load the correct type
of paper.
The drum/toner cartridge is defective or damaged.
Replace with a new drum/toner cartridge.
Troubleshooting > 107