Canon imagePRESS C1+ User Manual page 12

Acceptable curl range when the curl is perpendicular to the feed direction (non-coated paper, or
paper coated on both sides)
If the paper curls up, regardless of the paper thickness, we recommend using paper with a curl less than
10 mm. If the paper curls down, the thicker the paper the less amount of curl is acceptable. If the amount
of curl exceeds the range shown in the graph below, paper jams may occur.
Up
Curl
(mm)
Thin
Paper
Down
Acceptable Curl Range
Heavy Paper
Plain
or Card Stock
Paper
Paper Weight (g/m
Heavy Paper
or Card Stock
2
)
12