Epson 4490 - Perfection Photo User Manual - Page 10

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Epson 4490 - Perfection Photo User Manual
User's Manual
• the incorrect TWAIN driver has been selected
Each scanner model requires a specific TWAIN driver. If the TWAIN driver does not match the
scanner model, the AFHCAN software will bring up the Scan Failed message when you attempt
to scan.
The correct TWAIN driver is normally installed and tested when the scanner is installed.
Normally it should not need to be changed. However, if the Scan Failed message appears, you
will be invited to open a pop up window allowing you to select a different TWAIN driver.
Note: Selecting a new TWAIN driver typically would apply only
when a different model scanner is being installed.
Table 2 lists the scanner models and associated TWAIN drivers. (Other TWAIN driver options
may appear in the window that may not apply to scanners. Disregard any drivers not listed in
Table 2.)
Table 2
Scanner models and their TWAIN drivers
Scanner
TWAIN Driver
1640
5.71A (Rev F)
1650
5.71A (Rev F)
4490
4990
Note 1: These specific drivers were listed on the EPSON website, and were available for download, during the time when
this document was in development. Other versions may be included with your software.

1.1.2 General Descriptions of Scanner Hardware

1.1.2.1 Model 1640 Hardware Features

Figures 2 through 4 show the main hardware features of the Model 1640.
PUB-119 Rev B.doc
Scanner
1
2.76A
2.68A
4
Pop-Up Text
EPSON TWAIN 5 5.71 (32-22)
EPSON TWAIN 5 5.71 (32-22)
EPSON Perfection 4490 2.71 (32-22)
EPSON Perfection 4990 2.68 (32-32)
Epson Perfection