January 2008
25
Paper Thickness
Like transport speed, minimum and maximum paper thickness are normally interesting
hypothetical measures. Although necessary parameters to evaluate a scanner’s performance,
they tell little about the equipment’s treatment of a thin or fragile document or what happens to
documents when a double-feed is detected, or a paper-clip is accidentally fed into the paper path.
In addition, various manufacturers specify their scanner’s paper handling capacities differently —
some by thickness, some by weight — thus making it difficult to make an apples-to-apples
comparison.
Changes in paper thickness from one document to the next and the scanners’ ability to handle
these changes cannot be measured using these parameters. The paper thickness comparison
should be used only as an estimate of the general capabilities of a scanner. The operator is
always the best possible evaluator of tolerance to thickness and thickness changes by running
standard batches of their documents through the machine. Kodak has a program named
SurePath Paper Handling that goes back to the transport engineering philosophy that all pages
within the scanner specification will go through the scanner.
Kodak scanners have been tested with a range of documents that represent the broad spectrum
of document types found in the most common business applications. Optimal scanner
performance is achieved when scanning documents within the recommended document
specifications listed below. Scanning documents outside of these specifications may lead to
undesirable results in terms of scanner reliability, image quality, and/or consumable life.
Materials:
•
Virgin and recycled papers
•
Clear protective sleeves meeting the size and thickness requirements in this section
Paper Types:
Bond, Laser, Inkjet, Offset
Paper Weights:
The elevator tray handles a broad range of paper weights from 45 to 200 g/m
2
(12 to 110 lb.). The
Kodak
Feeder Kit for Ultra Lightweight Paper can handle paper weights from
25 to 75 g/m
2
(7 to 20 lb.).
Minimum Document Size:
6.4 x 6.4 cm (2.5 x 2.5 in.). Documents as small as 5 cm (2 in.)
(i.e. business cards) can be center-fed, in portrait orientation one at a time.
Summary of Contents for I780 - Document Scanner
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