Brother International DS-920DW Users Guide - Page 87

Scanner, Duplex Scanning Max. Speed

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Appendix A Scanner Color / Mono Duplex Scan TWAIN Compliant Windows ® Macintosh Color Depth Input Output Resolution Optical Interpolated Scanning Width Gray Scale Input Output Scanning Max. Speed DS-820W DS-920DW Yes / Yes No Yes Windows ® XP 1 / Windows Vista ® / Windows ® 7 / Windows ® 8 / Windows ® 8.1 / Windows ® 10 Mac OS X 10.6.x, 10.7.x, 10.8.x, 10.9.x, 10.10.x, 10.11.x 2 48 bit color Processing 24 bit color Processing Up to 600 × 600 dpi 1200 dpi Up to 8.5 in. (216 mm) 16 bit 8 bit 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) Duplex Scanning Max. Speed 4 ppm (15 seconds (A4) above 400 dpi) - Mono 5.3 ppm (11.3 seconds (Letter) up to 300 dpi) A 5 ppm (12 seconds (A4) up to 300 dpi) 3 ppm (19.8 seconds (Letter) 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 (Letter) above 400 dpi) 2.9 ppm (21 seconds (A4) above 400 dpi) 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 version you are using, visit us at support.brother.com and click "Downloads" from your model page. 79

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Appendix A
79
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 version you are using, visit us at support.brother.com
and click “Downloads” from your model page.
DS-820W
DS-920DW
Color / Mono
Yes / Yes
Duplex Scan
No
Yes
TWAIN Compliant
Windows
®
Windows
®
XP
1
/ Windows Vista
®
/ Windows
®
7 / Windows
®
8 /
Windows
®
8.1 / Windows
®
10
Macintosh
Mac OS X 10.6.x, 10.7.x, 10.8.x, 10.9.x, 10.10.x, 10.11.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
(Letter) 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
(Letter) above 400 dpi)
2.9 ppm (21 seconds (A4)
above 400 dpi)