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Driver Name
Epson Perfection 640U
Driver Info
The optical resolution of 600 * 2400dpi ( using micro-stepping drive technology )
Scanning range 216mmx297mm
Scan speed Monochrome : A4 300dpi 20秒x1 color : A4 600dpi 177秒x2
Performance cold white light of the fluorescent tube photocathode
24bit grayscale parameters
36bit color digits
Transmission Interface USB
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