Reinstallation of Twain Driver

(Windows Vista)

Software Engineering

Oki Data Americas Inc.

Introduction

This document will provide step by step guidelines to reinstall Twain driver on Windows Vista. This guide should be used to reinstall driver or update driver to higher version.

The process involves two phases as follows:

Phase 1: Un-Installation of Twain Driver

Phase 2: Installation of Scanner Driver

Uninstall Twain Driver

Device Manager is a Windows Vista Control Panel application that allows users to manage devices and drivers on their system. Device Manager can be used to uninstall drivers

Note: Uninstalling a device or driver by using Device Manager requires membership in the local Administrators group, or the equivalent.

Following procedure explains the un-installation of the Twain Driver:

Step 1: Launch the Device Manager from Control Panel

Step 2: Make sure MFP is connected to PC with USB cable and MFP device is ON. In Device Manager's select the device type Imaging Devices, and select product as highlighted below.

Step 3: On the shortcut menu click Uninstall.

Step 4: Click on the check box Delete the driver software for the device.

Step 5: Using Windows explorer locate the folder twain_32 under Windows (Example; c:\Windows\twain_32). Delete the folder Okidata under twain_32

Note: All Oki scanner drivers will be deleted with this, in case you have different MFP’s installed on the same machine, make sure you delete the folder of the driver need to be uninstalled.

Step 6: Unplug the device.

Step 7: Restart the system (PC).

This completes the removal of Twain Driver from the system.

Installation of Scanner Driver

Following procedure explains the installation of the Twain Driver:

Step 1: Once PC is ready after reboot, plug the device using USB cable. Make sure MFP is ON.

Step 2: Insert MC860 Driver CD, and close the CD front-end.

Step 3: After device is connected to PC, Windows will pop-up Found New Hardware dialog.

Step 4: In the following screen, Hardware wizard provide installation option. For manual installation of driver select option I don’t have the disc. Show me other options.

Step 5: To locate required driver select option Browse my computer for driver software (advanced).

Step 6: On following window, using Browse button browse the Drivers folder on CD and Locate TWAIN from the required language folder.

Example: To locate Twain driver with English language select the folder <CD>:\Drivers\ENU\WinAll\TWAIN

Step 7: Hardware wizard will start installation of Twain Driver

Step 8: After installation of driver, Hardware wizard will show success message. Click Close button to exit the installation procedure

This completes the reinstallation of Twain Driver.

Confirmation of installation

Use ScanSoft PaperPort application to confirm installation.

Click on Scan button to view the Driver GUI to reconfirm version number and language of the driver.