Xerox® DocuMate® 4799 and 4790
Performance and Image Quality
Performance and Image Quality Expectations Guide
3-3
Scanning Speeds
The following tables show the speed of the Xerox DocuMate 4799 compared to the Reference
Scanner based on a 20 page, 8.5" x 11" landscape document (mix of black and white, and color
text and images) scanned at 600 dpi, as well as the size of the resulting file that was captured
and saved in RDO and Adobe PDF file formats in FreeFlow Makeready.
Black and White
Simplex/Landscape (600 dpi)
Reference Scanner
Xerox DocuMate 4799
Scan Speed
25 seconds (1.2 sec/page)
31 seconds (1.5 sec/page)
RDO file size
22.5 MB
27.6 MB
Save as PDF with Xerox option
21.3 MB
27.1 MB
Save as PDF with Acrobat
option
21.3 MB
27.1 MB
Duplex/Landscape (600 dpi)
Reference Scanner
Xerox DocuMate 4799
Scan Speed
115 seconds (5.75 sec/page)
32 seconds (1.6 sec/page)
RDO file size
22.6 MB
27.8 MB
Save as PDF with Xerox option
21.4 MB
27.5 MB
Save as PDF with Acrobat
option
21.4 MB
27.4 MB
Grayscale
1
Simplex/Landscape (600 dpi)
Reference Scanner
Xerox DocuMate 4799
Scan Speed
57 seconds (2.85 sec/page)
RDO file size
59.1
MB
Save as PDF with Xerox option
326.4
MB
Save as PDF with Acrobat
option
60.4
MB
Duplex/Landscape (600 dpi)
Reference Scanner
Xerox DocuMate 4799
Scan Speed
80 seconds (4.0 sec/page)
RDO file size
68.6
MB
Save as PDF with Xerox option
365.3
MB
Save as PDF with Acrobat
option
70
MB
1
In order to simulate grayscale (8 bits per pixel), the Reference Scanner captures halftone
images at 1 bit per pixel (black and white) and renders them using halftone screening. Refer to
Image Quality
for more information
