Curl

Curl is the tendency for paper to curl at it s edges. Excessive curl can cause p aper feeding problems. Curl can oc cur after
the paper passes through the printer, where it is exposed to high temperatures. Storin g paper unwrapped in hot, humid,
cold, or dry conditions, even in the trays, can contribute to paper cur ling prior to printing and can cause feeding
problems.

Smoothness

Paper smoothness directly affects print quality. If paper i s too rough, toner cannot fuse to it properly. If paper is too
smooth, it can cause paper feeding or print quality issues. A lways use paper between 100 and 300 Sheffield points;
smoothness between 150 and 250 Sheffield points produces the bes t print quality.

Moisture content

The amount of moisture in paper affects both print quality and the abil ity of the printer to feed the paper correctly.
Leave paper in its original wrapper until it is time to use it. This limits the exposure of paper to moisture changes that
can degrade its performance.
Store paper in its original wrapper in the same environment as the printer for 24 to 48 hours before printing. Exte nd
the time several days if the storage or transportation environment is very different from the printer environment. Thick
paper may also require a longer conditioning period.

Grain direction

Grain refers to the alignment of the paper fibers in a sheet of paper. G rain is either grain long, running the length of
the paper, or grain short, running the width of the paper.
For 60–176 g/m2 (16–47‑lb) paper, grain long paper is recommended.

Fiber content

Most high‑quality xerographic paper is made from 100% chemically treated pulped wood . This content provides the
paper with a high degree of stability, resulting in fewer paper feeding pro blems and better print quality. Paper cont aining
fibers such as cotton can negatively affect paper handling.
Selecting paper
Using the appropriate paper prevents jams and helps ensur e trouble‑free printing.
To help avoid paper jams and poor print quality:
•Always use new, undamaged paper.
•Before loading paper, know the recommended printable s ide of the paper. This information is usually indi cated on
the paper package.
•Do not use paper that has been cut or trimmed by hand.
•Do not mix paper sizes, types, or weights in the same tray; m ixing results in jams.
•Do not use coated papers unless they are specifically designed for electrophotographic printing.
Paper and specialty media guide 65