Epson LQ-510 - Page 49

REV.-A
PRINCIPLES OF OPERATION
Platen Gap (PG) Sensor
The PG sensor is ON whenever the adjust lever position is set to the fourth position or above. If the sensor
is ON, printing will be in multiple copy mode, and the print speed will be relatively slow.
Adjust Lever
Position 1 to 3 -, OFF -, HIGH
Adjust Lever
Position
4 to
7
-, ON - LOW
2 nd position
6 th position
Platen Gap
Platen Gap (PG) Sensor
Figure 2-9. Platen Gap Sensor Mechanism
Figure 2-10. Platen Gap Sensor Circuit
LQ-510
2-7