User`s guide

Appendix A
51
A
Scanner
1
Windows
®
XP in this User’s Guide includes Windows
®
XP Home Edition and Windows
®
XP Professional.
2
For the latest driver updates for the Mac OS X you are using, visit us at http://solutions.brother.com/.
DS-620 DS-720D
Color / Black Yes / Yes
Duplex Scan No Yes
TWAIN Compliant Windows
®
Windows
®
XP
1
/ Windows Vista
®
/ Windows
®
7 / Windows
®
8
Macintosh Mac OS X 10.6.x, 10.7.x, 10.8.x
2
Color Depth Input 48 bit color processing
Output 24 bit color processing
Resolution Optical Up to 600 × 600 dpi
Interpolated 1200 dpi
Scanning Width Up to 8.5 in. (216 mm)
Gray Scale Input 16 bit
Output 8 bit
Scanning Max. Speed Mono: 8.0 ppm (7.5 seconds (Letter) up to 300 dpi)
7.5 ppm (8 seconds (A4) up to 300 dpi)
4.3 ppm (14.1 seconds (Letter) above 400 dpi)
4 ppm (15 seconds (A4) above 400 dpi)
Color: 8.0 ppm (7.5 seconds (Letter) up to 300 dpi)
7.5 ppm (8 seconds (A4) up to 300 dpi)
4.3 ppm (14.1 seconds (Letter) above 400 dpi)
4 ppm (15 seconds (A4) above 400 dpi)
Duplex Scanning Max. Speed - Mono: 5.3 ppm (11.3 seconds
(Letter) up to 300 dpi)
5 ppm (12 seconds (A4) up
to 300 dpi)
3 ppm (19.8 seconds (Let-
ter) above 400 dpi)
2.9 ppm (21 seconds (A4)
above 400 dpi)
Color: 5.3 ppm (11.3 seconds
(Letter) up to 300 dpi)
5 ppm (12 seconds (A4) up
to 300 dpi)
3 ppm (19.8 seconds (Let-
ter) above 400 dpi)
2.9 ppm (21 seconds (A4)
above 400 dpi)