IBM 6400-D Generation II Series Setup Manual page 53

To avoid damage to the printer caused by printing on the platen, always
align the edge of the left tractor door with the number "1" on the paper
scale.
NOTE: Thin Paper
Medium Paper
Thick Paper
Tractor Splined Shaft
Figure 42. Aligning the Paper
8. If adjustment is necessary:
a. Unlock the left tractor.
b. Slide the tractor until it is directly to the left of the number "1" on the
paper scale and lock it. You can also use the paper scale to count
columns.
ATTENTION
= single sheet
= two-part form
= six-part form
Paper
Tractor
Paper Scale
Load The Paper
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