B2.D3 Jam In Top Cover Area (Tray 3) (No Optional Input Devices Installed) - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Laserjet enterprise mfp m725
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Recommended action
1.
Open the top cover, remove any jammed paper, and then close the top cover.
IMPORTANT:
paper from the top cover area before proceeding to avoid tearing partially picked paper.
Open Tray 2, remove any jammed paper, and then close Tray 2 and the top cover.
2.
Check for obstructions in the paper path from Tray 2.
3.
Check the pickup, feed, and separation rollers for Tray 2. Replace the rollers if they are worn or
defective.
4.
Make sure that the registration assembly shutter is properly functioning. Replace the registration
assembly if necessary.
5.
Use the Manual sensor tests to activate the pickup solenoid/clutch (listen for the solenoid to move)
for Tray 2. If the solenoid/clutch is not properly functioning, replace the solenoid/clutch.
6.
Use the Manual sensor tests to toggle the TOP sensor (SR9). If the sensor is not properly
functioning, replace the high-voltage power supply.
7.
Inspect the connector (J48) on the DC controller PCA, and connector (J61) on the Tray 2 upper
clutch.
8.
Use the Components tests to activate the drum motor (listen for the motor to rotate). If the motor is
not properly functioning, replace the main drive assembly.

13.B2.D3 Jam in top cover area (tray 3) (no optional input devices installed)

Description
Paper stay jam at top/registration sensor from Tray 3. This jam occurs when the paper does not reach
the TOP sensor (SR9) within the designated amount of time from Tray 3.
Recommended action
1.
Open the top cover, and then remove any jammed paper.
IMPORTANT:
paper from the top cover area before proceeding to avoid tearing partially picked paper.
Open Tray 3, remove any jammed paper, and then close Tray 3 and the top cover.
2.
Check for obstructions in the paper path from Tray 3.
3.
Check the pickup, feed, and separation rollers for Tray 3. Replace the rollers if they are worn or
defective.
4.
Make sure that the registration assembly shutter is properly functioning. Replace the registration
assembly if necessary.
5.
Use the Manual sensor tests to activate the pickup solenoid (listen for the solenoid to move) for
Tray 3. If the solenoid is not properly functioning, replace the solenoid.
ENWW
Do not remove the toner cartridge. Make sure that you remove any jammed
Do not remove the toner cartridge. Make sure that you remove any jammed
Tools for troubleshooting
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