XX = 05
1.
Perform the laser scanner component tests in the
Troubleshooting
menu.
2.
Check the connectors (J1900 and J801) on the laser scanner driver PCA and the connector (J71)
on the DC controller PCA.
3.
If the error persists, replace the laser scanner.
54.XX.YY Error
Description
A sensor error has occurred.
Recommended action
54.00.03: Environmental sensor failure
1.
Turn the product off and then on.
2.
If the environment sensor has been removed or replaced. check the connector on the environment
sensor and the connector (J63) on the DC controller PCA.
3.
If the error persists, replace the environment sensor assembly.
54.00.04: Engine temperature sensor 1 abnormality warning
1.
Turn the product off and then on.
55.XX.YY DC controller error To continue turn off then on
Description
The communication link between the formatter and DC controller was lost.
◦
55.00.00
(event code): Internal communication error
◦
55.00.01
(event code): DC controller memory error
◦
55.00.03
(event code): DC controller no engine response
◦
55.00.04
(event code): DC controller communications time-out
Recommended action
1.
Turn the product off and then on.
2.
Perform an engine test.
3.
Verify the connectors on the DC controller.
4.
If the error persists, replace the DC controller.
ENWW
Tools for troubleshooting
355
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 ...