55.Xx.yy Dc Controller Error To Continue Turn Off Then On; 56.00.Yy Error To Continue Turn Off Then On - HP LaserJet Enterprise 700 M712 series Handbuch Zur Fehlerbehebung

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 timeout
◦
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.

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.
ENWW
Tools for troubleshooting
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