Oki C942 C911dn/C931dn/C931DP/C941dn/C941DP/C942 Troubleshooting Guide - Engli - Page 55

Black Setting] or [Paper Color, Setting] under [Print Adjust]

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Symptom Border of the solid printing portion is lightly stained. Cause Paper is too dry. Printing Troubles Troubleshooting Reference pages Use paper stored under appropriate temperature and Basic 1 humidity. Troubleshooting Does not print with color shades as you thought. CMY 100% solid is thin. Recycled paper is used. Select [Recycled] for the media type. Basic Maintenance 2 [Paper Black Setting] or [Paper Color Setting] is not properly set. Raise the setting value of [Paper Black Setting] or [Paper Color Setting] under [Print Adjust] on the control panel. Advanced Index Low toner. Replace the toner cartridge. Setting of [Black Finish] is not matching with the application. In the [Black Finish] of printer driver, select [True Black (K)] or [Composite Black (CMYK)]. Change color matching options. Change to color matching option of the printer driver. No color balance. Select [Calibration] on the operation panel, and then run [Adjust Density]. Misalignment of color. Open the toner replacement cover at once, and the close it again. Select [Calibration] on the operation panel, and then run [Adjust Registration]. [CMY 100% Density] is set to [Disable]. Select [Admin Setup]>[Color Setup]>[CMY 100%] in the operation panel, and select [Enable]. page 64 Advanced Advanced Advanced Advanced Advanced Black spots or white spots appear. Stains are printed. The entire paper is printed black. Paper not supported. In the case of cycle length of about 125 mm, image drum may be unclean or there may be dents on it. Use recommended paper. Gently wipe the image drum with a soft tissue paper. If there are dents, replace the image drum. Basic page 66 Paper is moist. Paper not supported. Replace with a new paper. Use recommended paper. The pinch roller is dirty. The device might have broken down. If foreign matter is found on the pinch roller, remove the dirt with a soft cloth or tissue paper. Contact your dealer. Basic page 99 - - 55 -

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55
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Printing Troubles
Troubleshooting
1
2
Index
Maintenance
Symptom
Cause
Troubleshooting
Reference
pages
Border of the solid printing
portion is lightly stained.
Paper is too dry.
Use paper stored under
appropriate temperature and
humidity.
Basic
Recycled paper is used.
Select [Recycled] for the media
type.
Basic
[Paper Black Setting] or [Paper
Color Setting] is not properly
set.
Raise the setting value of [Paper
Black Setting] or [Paper Color
Setting] under [Print Adjust] on
the control panel.
Advanced
Does not print with color
shades as you thought.
Low toner.
Replace the toner cartridge.
page 64
Setting of [Black Finish] is not
matching with the application.
In the [Black Finish] of printer
driver, select [True Black (K)] or
[Composite Black (CMYK)].
Advanced
Change color matching options.
Change to color matching option
of the printer driver.
Advanced
No color balance.
Select [Calibration] on the
operation panel, and then run
[Adjust Density].
Advanced
Misalignment of color.
Open the toner replacement
cover at once, and the close it
again.
Select [Calibration] on the
operation panel, and then run
[Adjust Registration].
Advanced
CMY 100% solid is thin.
[CMY 100% Density] is set to
[Disable].
Select [Admin Setup]>[Color
Setup]>[CMY 100%] in the
operation panel, and select
[Enable].
Advanced
Black spots or white spots
appear.
Paper not supported.
Use recommended paper.
Basic
In the case of cycle length of
about 125 mm, image drum
may be unclean or there may
be dents on it.
Gently wipe the image drum
with a soft tissue paper.
If there are dents, replace the
image drum.
page 66
Stains are printed.
Paper is moist.
Replace with a new paper.
-
Paper not supported.
Use recommended paper.
Basic
The pinch roller is dirty.
If foreign matter is found on
the pinch roller, remove the dirt
with a soft cloth or tissue paper.
page 99
The entire paper is printed
black.
The device might have broken
down.
Contact your dealer.
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