Color Of The Printed Image Is Not What You Expect; Feeding Issues - Oki C834 User Manual

Color of the printed image is not what you expect

Cause
The toner is low. If "Toner Low" or "Toner Empty.
Replace with new Toner Cartridge."
appears, replace the toner cartridge.
The setting of [Black Finish] is not On the printer driver, select
suitable for the application. [Composite Black (CMYK)] or [True
Black (K)] for [Black Finish].
The color adjustment has been Do color matching from the printer
modified. driver.
The color balance is out of Press the scroll button
adjustment. select [Calibration], and adjust density
or color balance.
Color registration is out of alignment. Open and close the front cover. Or,
press the scroll button
select [Calibration], and then [Adjust
Registration].
Solution Reference
Replacing the Toner Cartridge
About Screens and Functions of
Each Printer Driver (Advanced
Manual)
Using Color Matching on Printer
Driver (Advanced Manual)
or to
Adjusting the Density (Advanced
Manual)
Adjusting Color Balance
(Density) (Advanced Manual)
Administrator Setup Menu
or to
(Advanced Manual)

Feeding Issues

• Check the following explanations, smartphone app and "FAQ" in the Oki Data Web site.
• If you cannot solve a problem with the following solutions, contact your dealer.
Symptom Cause
• Paper often The machine is inclined.
jams.
The paper is too light or
• Multiple
too heavy.
sheets of
paper are
pulled in at
the same
The paper is damp or has
time.
a static charge.
• Paper is
pulled in at an
angle.
The paper is wrinkled,
folded, or curled.
The back side of the
paper is printed.
The edges of the paper
are not aligned.
There is only one sheet of
paper in the tray.
You added new paper
onto the paper that is
already loaded in the tray.
Paper is loaded at an
angle.
Envelopes are loaded in
the wrong direction.
Envelopes are sticking to
each other.
Paper, envelopes, or
labels whose weight is
221 to 256 g/m 2 (56 to
95 lb) is loaded in Tray 1
and Tray 2/3/4/5.
The rear output tray is not
closed firmly.
- 111 -
Solution
Place the machine on a flat surface. -
The paper is too light or too heavy. Use the
appropriate paper for the machine.
Use paper stored under proper temperature
and humidity conditions.
Use the appropriate paper for the machine.
Fix the curled paper.
The paper that has been printed once cannot -
be used in Tray 1 and Tray 2/3/4/5.
Load the paper in the MP tray for printing.
Fan a stack of the paper well, and then align
the edges of the paper.
Load multiple sheets of paper. -
Remove the already loaded paper, stack up
it onto the new paper, and then align the
edges of all the paper.
For Tray 1 and Tray 2/3/4/5, adjust the paper
guide and paper stopper to the paper.
For the MP tray, adjust the manual feeding
paper guide to the paper.
Load the envelopes correctly.
Either fan the envelopes thoroughly, or load -
the envelopes on top of each other one
envelope at a time.
Load the paper whose weight is 221 to
256 g/m 2 (56 to 95 lb), envelops and labels
should be fed from the MP tray regardless of
their thickness.
Close the rear output tray firmly.
6. Troubleshooting
Reference
Loading Paper
Supported Paper
Loading Paper
Supported Paper
Loading Paper
Supported Paper
Loading Paper
Loading Paper
Loading Paper
Loading Paper
Loading Paper
Supported Paper
Paper Output