56.00.YY Error To continue turn off then on
Description
The product experienced a communication error with the optional paper tray.
◦
56.00.01
(event code): Illegal input, selected paper input tray is unavailable
◦
56.00.02
(event code): Illegal output, selected paper output bin is unavailable
Recommended action
1.
Turn the product off and then on.
2.
Reseat the optional paper tray.
3.
Check the input connectors for damage. If a connector is damaged, replace the connector.
4.
Remove any third-party hardware.
5.
Upgrade the firmware.
6.
If the error persists, replace the DC controller.
57.00.0X Error
Description
A fan error has occurred.
Recommended action
57.00.01: Fan motor 1 (rear) malfunction
1.
Turn the product off and then on. Listen for fan noise at the rear of the product. If no noise is
heard, replace the power supply fan (FM1).
2.
If this part has been removed or replaced, check the connector (J33) on the DC controller PCA.
57.00.02: Fan motor 2 (front) malfunction
1.
Turn the product off and then on. Listen for fan noise at the front of the product. If no noise is
heard, replace the toner cartridge fan (FM2).
2.
If this part has been removed or replaced, check the connector (J37) on the DC controller.
57.00.03: Fan motor 3 (fuser) malfunction
1.
Turn the product off and then on. Listen for fan noise at the lower back-center of the product. If no
noise is heard, replace the fuser fan (FM3).
2.
If this part has been removed or replaced, check the connector J37 on the DCC.
58.00.02 environmental sensor malfunction
Description
The product has experienced an environmental sensor error.
356
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 ...