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Xerox
®
DocuMate
®
4790
User’s Guide
5-24
Supported Document Types
You can scan the following types of documents and cards with this scanner.
• The maximum amount of paper in the input tray should not exceed the maximum stack thickness indicated
on the paper guides.
This is approximately 200 sheets of 20 lb (75–80 g/m
2
) new printer paper.
•Document size
– Minimum size (width x length) – 1.9 x 2.8 inches (48 x 71 mm)
– Maximum size (width x length) – 12 x 100 inches (305 mm x 2540 mm)
We recommend scanning one page at a time when the documents you are scanning are longer than
17 inches (432 mm). Please refer to scanning with Manual feed mode in the TWAIN interface for
instructions on scanning one page at a time.
• Paper thickness
– 5 to 42 lbs (19 ~ 157 g/m
2
) new printer paper
Documents to Avoid Scanning
The documents in this list can be scanned, but please note that scanning documents of this type will reduce the
life of the scanner. Maintenance will be required more often and replaceable parts will wear faster. These types
of documents will jam more frequently and damage to the original documents may occur. If you do choose to
scan these document types, do not scan large batches. This type of use is not covered under the scanner warranty
and alters replacement parts life expectancy.
We recommend you limit the amount or completely avoid scanning documents that are in this list.
• Curled, wrinkled or folded documents may cause paper jams or multiple pages being fed through the scanner
at one time.
• Perforated or punched paper that could tear when the separation roller engages.
• Coated paper or photographs where the coating can flake off during scanning and leave residue in the
scanner.
• Extremely smooth, shiny, or highly textured paper may cause the paper feed rollers to slip across the page
and cause the scanner to report a paper jam.
• Carbonless copy paper may tear while being fed through the scanner and the pressure of the rollers may
leave streaks on the page. The chemical coating on this paper will rub off on the rollers during the scan
process, increasing the frequency of miss-feeds and paper jams.
• Partially transparent paper such as tracing paper as any images from the opposite side of the page or black
background will appear in the scanned images.