Causes: The printer is in printable state. The paper type is sensed after one page printing.
Code: 20
Description: Print Start
Causes: The code is displayed when engine controller is received OPRINTO command from the video controller.
Code: 30
Description: Feed Sensor On
Causes: It means that paper is passing the feed sensor.
Code: 40
Description: Feed Sensor Off
Causes: It means that paper passed the feed sensor.
Code: 50
Description: Paper out
Causes: It means that paper passed the exit sensor.
Code: 60, 62, 68
Description: Fuser Error
Causes: These codes mean the fuser error status. Heat lamp, thermistor, thermostat open or thermistor short. The Low Temperature Error is checked when the printer is printing.