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Under Scrutiny: Four 1200 dpi Scanners

Speed At 300 And 600 Dpi

At 300 dpi, the differences in speed are much smaller. The D1250U2 operating on a USB 2.0 connection is the winner, followed closely by the Astra 4500. The slowpokes are the HP, Epson and the D1250U2 tested on a USB 1.1 interface.

The USB 2.0 really only comes into its own from 600 dpi upward. It is then that the D1250U2 greatly outshines its USB 1.1 rivals.

Sections scanned at 600 dpi

Extract 2