Operation Manual

Deleting or Updating the Drivers
- 177 -
Troubleshooting
10
-USB connection:
OKI MB4x1_ES41x1_MPS42x USB Driver.ds
3 Close the [TWAIN Data Sources]
dialog box.
4 From the hard disk, select [Library]>
[Image Capture]>[Devices].
5 Delete the [OKI Scanner].
6 Close the [Devices] dialog box.
7 From the hard disk, select
[Applications]>[Okidata]>[Scanner].
8 Delete network scanner setup tool.
9 Restart the computer.
For Mac OS X(MB461+LP,
MB491+LP, MPS4700mb)
1 From the hard disk, select
[Library]>[Image Capture]>[TWAIN
Data Sources].
2 Depending on the method of connection
of the machine, the following files will be
deleted.
- Network connection:
OKI MB4x1+LP_MPS47x Network Driver.ds
-USB connection:
OKI MB4x1+LP_MPS47x USB Driver.ds
3 Close the [TWAIN Data Sources]
dialog box.
4 From the hard disk, select [Library]>
[Image Capture]>[Devices].
5 Delete the [OKI Scanner].
6 Close the [Devices] dialog box.
7 From the hard disk, select
[Applications]>[Okidata]>[Scanner].
8 Delete network scanner setup tool.
9 Restart the computer.
Updating a Scanner Driver
You can update scanner drivers.
Note
 You must be logged on as an administrator to complete
this procedure.
For Windows
1 Click on [Start], right click [Computer]
Select [Properties].
2 Click [Device Manager].
If the [User Account Control] dialog box
appears, click [Yes].
3 Right click the [MB4x1/ES41x1/
MPS42x](for MB441, MB451, MB451w,
MB461, MB471, MB471w, MB491,
MB491+, ES4161 MFP, ES4191 MFP,
MPS4200mb) or [MB4x1+LP/
MPS47x](for MB461+LP, MB491+LP,
MPS4700mb) icon on [Imaging Device]
and click on [Properties].
4 Check the version of the scanner driver
on the [Drivers].
5 Delete the scanner driver.
Reference
 "Deleting a Scanner Driver" P. 176
6 Install a new scanner driver.
Reference
 For details on how to install a driver, refer to the User’s
Manual Basic.
For Mac OS X
1 Delete the scanner driver.
Reference
 "Deleting a Scanner Driver" P. 176
2 Install a new scanner driver.
Reference
 For details on how to install a driver, refer to the User’s
Manual Basic.