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41
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Printing Troubles
Troubleshooting
1
2
Index
Maintenance
Network Connection Problems
Common for Windows/Mac OS X
Cause
Solution procedure
Reference pages
Cross cable is used.
Arrange straight cable and hub, and connect
correctly.
Basic
Compatibility problem with hub.
Select [Admin Setup]>[Network Setup]>[Hub
Link Setting] from the operation panel, and
change the settings.
Advanced
There is a problem with hub.
Insert network cable in the empty hub, or
another port. If the problem is still not solved,
use another hub.
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Network cable is defective.
Reconnect with a new or a different network
cable, and check again.
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Incorrect IP address.
z
Check that IP address settings of the printer,
and IP address of the printer set in the
computer are matching.
z
If you are using OKI LPR Utility on Windows,
check IP address settings in OKI LPR Utility.
z
Check that IP address is not overlapping with
other device.
z
Check that correct address is set in IP
address, Subnet mask, and Gateway address.
Advanced
Duplicate IP address.
Check that IP address of the printer does not
overlap with other IP address.
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USB Connection Problems
Common for Windows/Mac OS X
Cause
Solution procedure
Reference pages
Cable does not meet the standards.
Use USB cable of USB 2.0 specifications.
Basic
USB hub is used.
Directly connect the printer to the computer.
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Printer driver is not installed correctly.
Please re-install the printer driver.
Basic
For Windows
Cause
Solution procedure
Reference pages
Printer is offline.
Right click the OKI C9xx icon in the [Devices and
Printers] folder, and select [See what’s printing]
(When multiple drivers are installed>[OKI C9xx
(*)]). Select the [Printer] menu in the dialog
displayed, and uncheck [Use Printer Offline].
*: Select the type of required driver.
Basic
Switch, buffer, extension cable, and USB hub
are used.
Directly connect the printer to the computer.
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Another printer driver operated through USB
connection is installed.
From the computer, remove other printer
drivers.
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Summary of Contents for C911dn
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