Residual Paper Jam 1; Fuser Wrap Jam 1; Door Open Jam 1; Multiple-Feed Jam 1 - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Residual paper jam 1

Either one of the following sensors detects a paper-presence when the product is turned on or when the
door is closed:
TOP sensor
●
Loop sensor
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Fuser output sensor
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Either one of the following sensors detects a paper-presence when the automatic delivery is complete:
TOP sensor
●
Loop sensor
●
Fuser output sensor
●
Output sensor
●

Fuser wrap jam 1

The fuser output sensor detects a paper-absence within a specified period from when it detects the
leading edge of paper.

Door open jam 1

Either one of the following switches or sensor detects a door open during a paper feed operation:
Left door interlock switch
●
Cartridge door interlock switch
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Cartridge door open detection switch
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Right door sensor
●

Multiple-feed jam 1

The sub thermistor 1 detects 300°C (572°F) or higher for a specified period from when the multiple fed
sheets pass through the TOP sensor.

Automatic delivery

The product automatically clears the paper if the output sensor detects the residual paper when the
product is turned on or when the door is closed.
ENWW
Pickup, feed, and delivery system
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