Epson SQ-1170 Service Manual page 46

Push Tractor Method
of tractor. When the paper
motor are rotated in the direction of the black arrows and rotate the platen, paper tension roller, and
push tractor. The paper is thus driven in the direction of the white arrow as pushed by the push tractor
pins and pulled by the paper tension roller.
In this method, the release lever must be set to Push Tractor position, where the paper feed rollers are
set free from the platen.
Figure 2-10 shows the push tractor method from the rear entrance and the front entrance.
Front
Entrance
paper is engaged to the tractor by mating the holes of paper to the pins
feed motor (STEPPING MOTOR, PF) is driven, the gears connected to the
Platen
/"
\
Front Push
Tractor
Figure 2-10. Push Tractor Operation
–'
2-7
"P"
Rear Entrance
- - R e a r P u s h
Feed
Motor