Epson LQ-510 Technical Manual page 49

REV.-A
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.
LQ-510
Adjust Lever Position 1 to 3 -, OFF -, HIGH
Adjust Lever Position 4 to 7 -, ON - LOW
2 nd position
Platen Gap
Figure 2-9. Platen Gap Sensor Mechanism
Figure 2-10. Platen Gap Sensor Circuit
PRINCIPLES OF OPERATION
6 th position
Platen Gap (PG) Sensor
2-7