Operation Manual

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Other Issues
3
3. Troubleshooting
Network Connection Problems
 Common to Windows and Mac OS X
Cause Remedy Reference
Using a crossover cable. Use a straight cable. -
The printer is turned on before a cable
was connected.
Connect cables before turning on the printer. page 32
The hub and the printer are incompatible
or have some problem.
Press the scroll button or and select [Admin Setup] >
[Network Setup] > [HUB Link Setting], and then select
[10Base-T Half].
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Not connected to the wireless LAN access
point.
● When the device is connected to the wireless LAN
(Infrastructure mode), disable the wireless LAN (AP
mode).
● Check that the power switch of the wireless LAN
access point is turned on.
● Check settings of the wireless LAN access point, and
then perform manual setting or automatic setting.
● Restart the wireless LAN function.
● Select [Wireless Reconnection] from [Wireless
(Infrastructure) Setting].
● Put the device in an unobstructed view position near
the wireless LAN access point. (The recommended
distance is 30 m or less)
● If there is a wall, a metal item or a radio wave
generating device between this device and the
wireless LAN access point, communication failure may
occur.
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 For Windows
Cause Remedy Reference
IP address is incorrect. ● Check that the same IP address is set for the printer
and the printer's port setting on the computer.
● If using LPR Utility, check the IP address setting in
LPR Utility.
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USB Connection Problems
 Common to Windows and Mac OS X
Cause Remedy Reference
Unsupported USB cable is being used. Use a USB 2.0 cable. -
A USB hub is being used. Connect the printer directly to the computer. page 42
Printer driver is not installed correctly. Reinstall printer driver. page 43,
page 44
 For Windows
Cause Remedy Reference
The printer is off line. Right-click the [OKI C833 *] icon on the [Devices and
Printers] folder, and then select [See print jobs] (If
the icons are grouped, select [See print jobs] > [OKI
C833 *]).
* Indicates the driver type. (ex. PCL6/PS/XPS)
In the dialog box, select the [Printer] menu and then
clear the check of [Use Printer Ofine].
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A switch, buffer, extension cable or USB
hub is being used.
Connect the printer directly to the computer. page 42
A driver for a different printer that uses a
USB connection has been installed.
Delete the other printer driver from the computer. -