●
DC controller, J6 and J47
●
High-voltage power supply, J902
5.
Use the Components tests to activate the duplex feed motor (listen for the motor to rotate). If the
motor is not properly functioning, replace the duplexer.
13.B9.FF Jam in left door
Description
Fuser exit sensor (SR12) residual 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.
Recommended action
1.
Open the left door, remove any jammed paper, and then close the left door.
2.
Inspect the connector (J1) on the fuser, connector (J61) on the DC controller PCA, and connector
(J902) on the high-voltage power supply.
3.
Use the Manual sensor tests to toggle the fuser exit sensor (SR12). If the sensor is not properly
functioning, replace the fuser.
13.BA.EE Door open jam
Description
The top cover was opened during a print job.
Recommended action
1.
Close the top cover.
2.
Check the tabs of the top cover that engage the top cover switches (SW2, SW3). If they are
damaged, replace the top cover assembly.
3.
Use the Tray/bin manual sensor tests to toggle the cartridge door switch (SW3). If the switch is not
properly functioning, replace the switch.
NOTE:
The Tray/bin manual sensor tests can not be used to test SW2 top cover switch. If the
error persists and the SW3 top cover switch is properly functioning, try replacing the SW2 top
cover switch.
4.
Check the connectors (J74 and J36) on the DC controller PCA and the connector (J18) on the
cartridge door open detection switch.
13.D1.DX Jam in left door
Description
Late to duplex switchback jam. This jam occurs when the paper reverses direction but fails to reach the
duplex switchback sensor (SR1DU) in the designated amount of time.
ENWW
Tools for troubleshooting
317
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 ...