Oki B721, User Manual

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Feeding Issues
4
Troubleshooting
●
● Feeding Issues
Memo
● If the following information does not solve the issue, contact your dealer.
Symptom Cause Remedy
Reference
Page
● The paper often jams.
● Multiple sheets are fed
at once.
● The paper is fed at an
angle.
The printer is tilted. Place the printer on a flat surface. page 15
The paper is too thin or too thick. Use the appropriate paper for the
printer.
page 31
The paper is moist or has a static
charge.
Use paper stored in proper
temperature and humidity
conditions.
page 42
The paper is wrinkled, folded or
curled.
Use the appropriate paper for the
printer.
Fix the curled paper.
page 31
Something is already printed on
the back side of the paper.
With trays 1/2/3/4, you cannot
use paper that has been printed.
Load it on the MP Tray for printing.
page 32
The edges of the paper are not
kept even.
Fan the paper and even up the
edges.
page 31
There is only one sheet of paper in
the tray.
Load several sheets of paper. page 31
You have added more paper with
paper already loaded in the tray.
Remove the already loaded paper,
stack it onto the new paper, even
up the edges and load the paper
with the old paper on top.
page 31
The paper is loaded at an angle. For trays 1/2/3/4, adjust the paper
width guide and stopper to the
paper.
For the MP Tray, adjust the paper
width guide to the paper.
page 31
Envelopes are not correctly loaded. Load envelopes correctly. page 32
Paper, envelopes, or labels of
weight between 177 and 220 g/m
2
is loaded in tray 1 and tray 2.
Load the paper, envelopes, or
labels of weight between 177 and
220 g/m
2
on the MP Tray, and use
the faceup stacker.
page 32
page 38
Paper does not feed into
the printer.
The setting of [ Source ] in the
printer driver is not correctly
specified.
Check the paper tray and select
the correct tray in [ Source ] in the
printer driver.
–
You have specified manual feeding
on the printer driver.
In the printer driver, clear the
[ Use MP Tray as manual
feed ] check box on [ Paper feed
options ].
Advanced
The printer does not
start processing even
though you have
removed the jammed
paper.
– Open then close the front cover. –
The paper gets folded or
wrinkled.
The paper is moist or has a static
charge.
Use paper stored in proper
temperature and humidity
conditions.
page 42
The paper is thin.
Press the button and then select
[ Menus ] > [ Tray Configuration ]
> [ (tray name) Config ], then
[ Media Weight ]. Then, specify a
lighter weight.
page 32