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
OK
button.
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
ENWW
Summary of Contents for LASERJET ENTERPRISE MFP M725dn
Page 1: ...LASERJET ENTERPRISE MFP M725 Troubleshooting Manual M725z M725dn M725f M725z ...
Page 2: ......
Page 3: ...HP LaserJet Enterprise MFP M725 Troubleshooting Manual ...
Page 6: ...iv Conventions used in this guide ENWW ...
Page 32: ...xxx ENWW ...
Page 142: ...110 Chapter 1 Theory of operation ENWW ...
Page 457: ...4 Close the fuser jam access cover 5 Close the fuser door ENWW Clear jams 425 ...
Page 475: ...1 Lift the document feeder latch 2 Open the document feeder cover ENWW Clean the product 443 ...
Page 516: ...484 Appendix A Service and support ENWW ...
Page 545: ......
Page 546: ... 2013 Hewlett Packard Development Company L P www hp com CF066 91023 CF066 91023 CF066 91023 ...