B2.D1 Jam In Tray 1; B2.D2 Jam In Top Cover Area (Tray 2) - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Laserjet enterprise mfp m725
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6.
Check the toner cartridge for damage. Replace the cartridge if necessary.
7.
Use the Manual sensor tests to toggle the TOP sensor (SR9). If the sensor is not properly
functioning, replace the high-voltage power supply.
8.
Inspect the connector (J62) on the DC controller PCA, and connector (J901) on the high-voltage
power supply.
9.
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.
10. Use the Components tests to activate the pickup motor and the pickup solenoid/clutch (listen for
the motor/solenoid to rotate/move) for the source tray. If the motor or solenoid are not properly
functioning, replace the motor or solenoid.

13.B2.D1 Jam in tray 1

Description
Paper stay jam at top/registration sensor from Tray 1. This jam occurs when the paper does not reach
the TOP sensor (SR9) within the designated amount of time from Tray 1.
Recommended action
1.
Remove any jammed paper from Tray 1, and then touch the
2.
Check for obstructions in the paper path from Tray 1.
3.
Check the pickup, feed, and separation rollers for Tray 1. 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 1. If the solenoid is not properly functioning, replace the toner cartridge door.
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 (J62) on the DC controller PCA, and connector (J901) on the high-voltage
power supply.
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.D2 Jam in top cover area (tray 2)

Description
Paper stay jam at top/registration sensor from Tray 2. This jam occurs when the paper does not reach
the TOP sensor (SR9) within the designated amount of time from Tray 2.
310
Chapter 2 Solve problems
OK
button.
ENWW

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