HP laserjet m712 Guide De Dépannage

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2.
In the tray cavity, press and hold the tray presence switch (callout 1), and then lift the paper size
sensor lever (callout 2).
Figure 2-32
  Tray 5 paper size sensor
2
1
3.
Check the control-panel display for sensor response.
4.
If there is no response, replace the sensor.
Tray 5 feed sensor (PS3305)
1.
Remove Tray 5 from the HCI.
2.
Place a business card between the feed roller and the separation roller as far as it will go to
activate the feed sensor.
Figure 2-33
  Tray 5 feed sensor
ENWW
Tools for troubleshooting
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