TWAIN errors when you use Canoscan3200F on Win7

I get error TWAIN when you use Canoscan3200F on Win7. Tried to use Canoscan Toolbox 4.5, Irfanview 4.32 and Windows Fax & Scan - all give variations of the TWAIN error, bascially do not recognize the scanner, even if it looks OK in Device Manager.

CanonScan said - could not open TWAIN source.

IrfanView, said - rmslantc.dll missing.

Windows Fax Scan & said - no scanners not detected.

Hi the string 1,

Make sure that a certain folder path is in the PATH environment variable. Follow these steps:

(a) first, to determine the correct path to add to the PATH environment variable.  Look in C:\Windows\twain_32 and there should be another folder (example:-CNQ4803). This is the way that is needed to be added to the PATH environment variable. C:\Windows\twain_32\CNQ4803

(b) alter the PATH environment variable. Go to Control Panel, Systemand then choose Advanced system settings in the left column.

(c) this will bring up the System Properties dialog box (it should already be in the Advanced tab).

(d) at the bottom of this dialog box is a button Environment Variables .  By clicking on this button to display the Environment Variables dialog box.

(e) in the bottom panel, scroll down until you find the variable named Path.  Select it and then press the Edit button to bring up the Edit System Variable dialog box.

(f) in the Variable value text box, scroll all the way to the right, and then add the C:\Windows\twain_32\CNQ4803 path that was determined earlier.  Be sure to separate this value by a preceding semicolon.  And also be ensure not to make further changes to this value. Click OK.

Tags: Windows

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