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6.2 Document Quality
fi-4220C Image Scanner Operator’s Guide 91
ADF AND PAPER SPECIFICATION
6
6.2 Document Quality
■ Document Type
The following paper types are recommended for document use:
• Woodfree paper
• Wood containing paper
When using documents of paper type other than the above, check whether or not the document can
be scanned by test-scanning a few sheets before executing the actual document.
■ Document Thickness
Paper thickness is expressed by "paper weight." The following shows the paper weights that can be
used on this scanner:
• 52 g/m
2
to 127 g/m
2
Only paper weight of 127 g/m
2
is acceptable for A8-size documents.
■ Precautions
The following documents may not be scanned successfully:
• Documents of non-uniform thickness (e.g. envelopes)
• Wrinkled or curled documents (See HINT on page 92.)
• Folded or torn documents
• Tracing paper
• Coated paper
• Carbon paper
• Carbonless paper
• Photosensitive paper
• Perforated or punched documents
• Documents that are not square or rectangular
• Very thin documents
Do not use the following documents:
• Paper-clipped or stapled documents
• Documents on which the ink is still wet
• Documents smaller than A8 (Portrait) in size
• Documents wider than A4 or Letter size (216mm)
• Documents other than paper such as fabric, metal foil, or transparencies