Cause
The Job Type of "Secure Print", "Store to
HDD" and "Encrypted Secure Print" are
unselectable on the MB491.
Network Connection Problems
Common to Windows and Mac OS X
Cause
Using a crossover cable.
The machine is turned on before a cable
was connected.
The hub and the machine are incompatible
or have some problem.
For Windows
Cause
IP address is incorrect.
All pages are not printed.
USB Connection Problems
Common to Windows and Mac OS X
Cause
Unsupported USB cable is being used.
An USB hub is being used.
Printer driver is not installed correctly.
Remedy
For Windows PCL Driver
1.Click [Start] > [Devices and Printers].
2.Right-click the [OKI MB491(PCL)] icon and select
[Printer properties]. (If you have installed multiple
printer drivers, select [Printer properties] > [OKI
MB491(PCL)]).
3.Select the [Device Options] tab.
4.For the network connection, select [Get Printer
Settings].
For the USB connection, add a check to [SD Memory Card].
5.Click [OK].
For Windows PS Driver
1.Click [Start] > [Devices and Printers].
2.Right-click the [OKI MB491(PS)] icon and then select
[Printer properties]. (If you have installed multiple
printer drivers, select [Printer properties] > [OKI
MB491(PS)].)
3.Select the [Device Settings] tab.
4.For the network connection, select [Get installed
options automatically] under [Installable Options],
and then click [Setup].
For the USB connection, select [Installed] for [SD
Memory Card] under [Installable Options].
5.Click [OK].
Remedy
Use a straight cable.
Connect cables before turning on the machine.
Press the <SETTING> key and select [Admin Setup] >
[Network Menu] > [Network Setup] > [HUB Link
Setting], and then select [10BASE-T HALF].
Remedy
Check that the same IP address is set for the machine
and the machine's port setting on the computer.
If using OKI LPR Utility, check the IP address setting in
OKI LPR Utility.
If you are using the WSD port, change it to the standard
TCP/IP port.
Remedy
Use a USB2.0 cable.
Directly connect the machine to the computer.
Reinstall printer driver.
- 145 -
Other Issues
Reference
Advanced
7
Reference
-
P.47
-
Reference
P.59
Reference
-
P.55
P.55