Oki es7120 Reference Manual page 108

SYMPTOM REASON/ACTION
Printed image The paper loaded in the paper tray does not match
smudges when the paper type set on the control panel. Ensure that
rubbed with the paper type set on the control panel and the printer
your finger. tray match.
The toner is See "Media types" on page
not fixed on
The paper is damp. Replace with paper from a new
the paper.
ream.
Paper is
See "Prohibited media types and conditions - usable
smeared with
paper" on page
toner.
The paper used is not suitable. Load the correct type
of paper.
The whole The drum/toner cartridge is defective or damaged.
piece of paper Replace with a new drum/toner cartridge.
is printed
This may be due to breakdown of high voltage power.
black.
Contact service.
Nothing is The drum/toner cartridge is defective/damaged or
printed. there is no more toner inside the cartridge. Replace
with a new drum/toner cartridge.
See "Replacing the drum/toner cartridge" on
page 117.
Spots of This may be due to breakdown of high voltage power.
missing text. Contact service.
The paper is damp. Replace with paper from a new
ream.
The paper used is not suitable. Load the correct type
of paper.
Text is blurred. The paper used is not suitable. Load the correct type
of paper.
The paper is damp. Replace with paper from a new
ream.
Missing The drum/toner cartridge is defective/damaged or
characters there is no more toner inside the cartridge. Replace
throughout with a new drum/toner cartridge.
the length of
the paper.
Text or images The paper tray guides are not set in the correct
are printed at positions. Set the length guide and the right width
an angle. guide in the correct positions.
Transparencies The type of transparency or envelope loaded cannot
and envelopes be used in this printer. Load the correct type of paper.
are not printed
See "Loading media" on page
clearly.
Check that the paper type on the printer driver or the
control panel is correctly set.
See "Configuring tray selection" on page
The Toner Saver Mode feature is turned on. Change
the settings on the control panel > Admin Setup>
Print Menu or the Graphics tab of the printer driver.
27.
30.
25.
Troubleshooting > 108
31.