Fujitsu ScanSnap N1800 Operator's Manual page 475

Carbonless paper contains chemical substances that may damage the pad assy or
the pick and other rollers when documents are fed. Pay attention to the following:
cleaning
If pick errors occur frequently, clean the pad assy and pick roller.
For details about cleaning the pad assy and pick roller, refer to
Scanner Care" (page
Replacing parts
The service life of the pad assy and pick roller may be shortened when
compared to scanning only wood containing paper documents.
When wood containing paper manuscripts are scanned, the life of the pad assy and
pick roller may be shortened compared with the case where woodfree paper
manuscripts are scanned.
When scanning photographs, the face of the photograph may become damaged.
When scanning semi-transparent documents, set the scan [Brightness] to [Light] to
avoid image bleed through.
To prevent the rollers from becoming dirty, avoid scanning documents containing
large areas written or filled in with pencil. If scanning of such documents is
unavoidable, clean the rollers frequently.
For details about cleaning the pad assy and pick roller, refer to
Care" (page 416).
To operate correctly, the leading edges of all document sheets must be evenly
aligned. The curling of the leading edge must be within the following tolerances:
Less than 3 mm
Less than 5 mm
416).
More than
30 mm
Leading edge
of document
More than
30 mm
Leading edge
of document
475
"Chapter 7
"Chapter 7 Scanner
Feed direction
Side being
scanned
Feed direction
Side being
scanned