Lexmark X734de Service Manual page 31

Using recycled paper and other office papers
Recycled office paper produced specifically for use in laser (electrophotographic) printers may be used in your
printer. However, no blanket statement can be made that all recycled paper will feed well.
Generally, the following property guidelines apply to recycled paper.
Low moisture content (4–5%)
•
Suitable smoothness (100–200 Sheffield units, or 140–350 Bendtsen units, European)
•
Note: Some much smoother papers (such as premium 24 lb laser papers, 50–90 Sheffield units) and
much rougher papers (such as premium cotton papers, 200–300 Sheffield units) have been engineered to
work very well in laser printers, despite surface texture. Before using these types of paper, consult your
paper supplier.
Suitable sheet-to-sheet coefficient of friction (0.4–0.6)
•
Sufficient bending resistance in the direction of feed
•
Recycled paper, paper of lower weight (<60 g/m
paper that is cut grain-short for portrait (or short-edge) fed printers may have lower bending resistance than is
required for reliable paper feeding. Before using these types of paper for laser (electrophotographic) printing,
consult your paper supplier. Remember that these are general guidelines only and that paper meeting these
guidelines may still cause paper feeding problems in any laser printer (for example, if the paper curls
excessively under normal printing conditions).
2
[16 lb bond]) and/or lower caliper (<3.8 mils [0.1 mm]), and
7526
General information
1-9
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