Handling Paper
1-5
Basis Weight
Basis weight is the weight of paper expressed in grams per square meter (g/m²). Paper that is too
heavy or too light may cause feed errors or paper jams as well as premature wear of the product.
Uneven weight of paper, namely uneven paper thickness may cause multiple-sheet feeding or print
quality problems such as blurring because of poor toner fusing.
The recommended basis weight is between 60 and 105 g/m² (16 and 28 lb/ream) for the cassette
and between 60 and 220 g/m² (16 to 53 lb/ream) for the MP tray.
Paper Weight Equivalence Table
The paper weight is listed in pounds (lb) and metric grams per square meter (g/m²). The shaded
part indicates the standard weight.
Thickness
The paper used with the machine should be neither extremely thick nor extremely thin. If you are
having problems with paper jams, multiple feeds, and faint printing, the paper you are using may be
too thin. If you are having problems with paper jams and blurred printing the paper may be too thick.
The correct thickness is 0.086 to 0.110 mm (3.4 to 4.3 mils).
Moisture Content
Moisture content is defined as the percent ratio of moisture to the dry mass of the paper. Moisture
can affect the paper’s appearance, feed ability, curl, electrostatic properties, and toner fusing
characteristics.
The moisture content of the paper varies with the relative humidity in the room. When the relative
humidity is high and the paper absorbs moisture, the paper edges expand, becoming wavy in
appearance. When the relative humidity is low and the paper loses moisture, the edges shrink and
tighten, and print contrast may suffer.
Wavy or tight edges can cause jams and alignment anomalies. The moisture content of the paper
should be 4 to 6%.
U. S. Bond Weight (lb) Europe Metric Weight (g/m²)
16 60
17 64
20 75
21
80
22 81
24 90
27
100
28 105
32 120
34 128
36 135
39 148
42 157
43 163
47 176
53 199
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