Epson LQ-510 - Page 50

PRINCIPLES OF OPERATION
REV.-A
Friction/Tractor Sensor
The friction/tractor sensor detects the position of the release lever to determine whether tractor feed or fric-
tion feed is in effect.
Release Lever Position: Front - Friction Feed + OFF - HIGH level
Release Lever Position: Rear + Tractor Feed -, ON + LOW level
Front
Rear
Release Lever
Friction/Tractor Sensor
Figure 2-11. Friction/Tractor Sensor Mechanism
Figure 2-12. Friction/Tractor Sensor Circuit
2-8
LQ-510