Xerox 4790 Scanning Speeds

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.

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

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