HP laserjet m712 Fehlerbehebungsanleitung
Lower right door sensor (SW1)
1.
Open the lower right door, and then use a small screwdriver to activate the sensor.
Figure 2-23
Lower right door sensor
2.
Check the control-panel display for sensor response.
3.
If there is no response, replace the optional 500-sheet paper tray assembly.
ENWW
Tools for troubleshooting
135