Tractor Drive - Printronix L5535 Maintenance Manual

Chapter 5
Other Print Engine Adjustments
IMPORTANT
If the tractor shaft is not aligned properly, the tractor holes in the fanfold
paper may be damaged when the paper "back-feeds."
NOTE: To make the adjustment, you will need two tractor alignment tools
1. Power off the printer.
2. Remove the left rear cover (see page I–239).
3. Unload the paper.
4. Loosen the screws that hold the tractor support shaft (one each on the left
and right side frames).
5. Remove the E-ring securing the left tractor on the tractor support shaft.
Screw

Tractor Drive

The tractor is driven by the tractor motor. The belts are critical, for timing. Be
sure to mark the pulleys for future realignment.
Pulley C
Belt A
Pulley S
I–216
(see page I–29 for part number).
Left Tractor
E-Ring
Belt B
Tractor support Shaft
Screw
Alignment marks
Motor Pulley