D3.Dx Jam In Duplexer; D3.Ff Jam In Top Cover Area - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Laserjet enterprise mfp m725
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Recommended action
Open the top cover, remove any jammed paper, and then close the top cover.

13.D3.DX Jam in duplexer

Description
Late to duplex exit jam. This jam occurs when the leading edge of the paper reaches the duplex
switchback sensor (SR1DU), but fails to reach the duplex reefed sensor (SR2DU). The leading edge is in
the duplexer, but the trailing edge might be accessible from the left door.
X indicates the fuser mode
2 = Normal
3 = Light media 1
3 = Light media 2
4 = Heavy media 1
5 = Heavy media 2
B = Transparency
D = Envelope 1
D = Envelope 2
Recommended action
1.
Remove the duplexer, remove any jammed paper, and then reinstall the duplexer.
2.
Check the paper path and rollers at the fuser and duplexer for damage. Replace the fuser or
duplexer if necessary.
3.
Use the Manual sensor tests to toggle the duplexer refeed sensor (SR2DU). If the sensor or lever
are not properly functioning, replace the duplexer.
4.
Use the Components tests to activate the duplex refeed solenoid/clutch (listen for the solenoid to
move). If the solenoid/clutch is not properly functioning, replace the duplexer.

13.D3.FF Jam in top cover area

Description
Duplexer refeed sensor (SR2DU) jam. This jam occurs when paper exists at any of the paper path jam
sensors when the product power is turned on or after jam re-evaluation.
ENWW
Tools for troubleshooting
319

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Laserjet enterprise m725fLaserjet enterprise m725z

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