46
19.
Replace the rear panel.
20.
Reconnect the printer to the power source. Return the printer to
service.
4.34
Output Spline shaft replacement
TOOLS REQUIRED
2.5 mm hex driver
5 mm hex driver
9/64" hex driver
1.
Power down the printer and remove the power cord from the power
source. Remove the rear panel from the printer.
2.
Loosen both tractor locks on the side needing replacement. Slide the
tractors to the center of the bar.
3.
At the rear of the printer, remove the screws securing the belt guard
and remove the guard.
WARNING
Do not remove the belt guard while the printer is
connected to the power source
4.
Use a 5 mm hex driver to loosen the tension roller, rotate it away from
the tractor drive belt, and remove the paperfeed belt.
5.
Loosen both tractor lock knobs on the appropriate side.
6.
Unthread the horizontal adjust knob from its threaded tractor support
shaft.
7.
Use a 2.5 mm hex driver to remove the two screws holding the spline
shaft retaining plate on the printer frame.
8.
Slide the spline shaft to the right (rear).
9.
Use a 9/64" hex driver and remove the rear tractor collar clamp and
pulley.
10.
Slide the replacement spline shaft through the tractors. Verify the
alignment of the tractor pins.
CAUTION
Misalignment of pins will cause paper damage.
11.
Install the rear drive pulley and collar clamp.
12.
Install the spline shaft bearings into the bearing housing and secure
with the retaining plate.
