Printronix P7000 H Quick Reference Manual page 14

Loading Ribbon Cartridge And Paper
CAUTION
To avoid damage to the printer caused by printing on the
platen, always position the left tractor unit directly to the left of
the "1" mark on the paper scale.
Tractor
Splined Shaft
Tractor Lock
Figure 7. Using the Paper Scale as a Guide
6. If adjustment is necessary:
a. Unlock the left tractor by placing the tractor lock in the
b. Slide the tractor until it is directly to the left of the number
c. Lock the left tractor.
14
Tractor
middle position.
"1" on the paper scale and lock it. You can also use the
paper scale to count columns.
Paper
Paper Scale