HP LASERJET ENTERPRISE M725dn Troubleshooting Manual page 365

Laserjet enterprise mfp m725
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3.
Verify the flag is not broken off.
4.
Open the following menus:
Administration
Troubleshooting
Diagnostic Tests
Scanner Tests
Actuate the ADF Jam Cover Sensor. If the sensor does not show functionality when tested, replace
the document feeder.
31.13.14
Description
This is a feed jam in the document feeder, and the motor is not turning.
Recommended action
1.
Verify the paper meets the product specifications.
2.
Make sure the document feeder input tray is not overloaded.
3.
Check the event log for document feeder errors, and resolve any errors first.
4.
Open and close the top cover to see if the pick motor turns without posting this error. If there is no
error, then the motor is good.
5.
Verify the motor cables are connected.
6.
Reseat the document feeder to scanner control board.
7.
Replace the document feeder.
31.13.15
Description
This is a duplex refeed jam in the document feeder. The paper jam occurs on the back-side copy. The
duplex refeed does not make it to the deskew sensor.
Recommended action
1.
Remove the jammed paper.
2.
Verify there is nothing in the paper path of the duplex refeed area.
3.
Retry the copy job.
4.
Replace the document feeder.
ENWW
Tools for troubleshooting
333

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