HP laserjet m712 Guida Alla Risoluzione Dei Problemi
Tray 2 paper size switches (SW4, SW6)
1.
Remove Tray 2 and Tray 3, and then push the switches at the back of the tray cavity.
Figure 2-14
Tray 2 paper size switches
2.
Check the control-panel display for sensor response.
3.
If there is no response, replace the lifter drive assembly.
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Chapter 2 Solve problems
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