Interposer
Paper Misfeeds or Double-Feeding Occurs
Cause:
If special paper is fed or fed in a different condition from general paper when generic settings are
applied, it may cause paper misfeeds or double-feeding.
Occurrence conditions:
• Coated paper is set
• Paper with high smoothness is set
• Printing is done at low temperature or humidity
• Paper is severely curled
Solution:
1. Measure the curl of the paper.
Load one sheet of paper on a flat surface, apply the scale to the leading edge of the paper, and
measure the curl at the four edges. The maximum value is the curl value.
2. Is the paper curl within the curl standard?
Acceptable curl amount varies depending on the basic weight of the paper.
Paper weight Curl amount
Paper Weight 0 - 6
Face curl: 10 mm (0.4 inches)
Back curl: 10 mm (0.4 inches)
Paper Weight 7
Face curl: 10 mm (0.4 inches)
Back curl: 5 mm (0.2 inches)
Paper Weight 8
Face curl: 10 mm (0.4 inches)
Back curl: 3 mm (0.1 inches)
Paper Weight 9
Face curl: 10 mm (0.4 inches)
Back curl: 0 mm (0 inches)
Interposer
305
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