30.03.30
Description
The scanner control board cannot communicate with the flatbed scanner motor.
Recommended action
1.
Turn the product off, and then on. As the product turns on, verify the scan head moves.
2.
Verify the drive belt is in the correct position.
3.
Check for a red LED illuminated on the scanner motor.
4.
Check the cable connection to scanner control board.
5.
Replace the scanner.
30.03.45
Description
Scanner control board (SCB) firmware assertion failure. SCB firmware assert controls the scan head
motor.
Recommended action
1.
Turn the product off, and then on.
2.
Upgrade the firmware.
3.
Replace the scanner control board.
4.
Replace the scanner assembly.
31.01.47
Description
The document feeder was not detected. The cable might not be attached.
Recommended action
1.
Turn the product off, and then on.
2.
Check the cables between the document feeder and scanner control board.
3.
Upgrade the firmware.
4.
Replace the document feeder.
31.03.30
Description
The document feeder pick motor is not turning.
ENWW
Tools for troubleshooting
329
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 ...