HP laserjet m712 故障排查指南
Fuser loop sensor (SR6)
1.
Open the cartridge door, and then remove the toner cartridge.
2.
Press the sensor lever to activate the sensor.
Figure 2-5
Fuser loop sensor
3.
Check the control-panel display for a sensor response.
4.
If there is no response, replace the sensor.
ENWW
Tools for troubleshooting
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