HP LASERJET ENTERPRISE 500 MFP - Page 235

55.XX.YY DC controller error To continue turn off then on
Description
The communication link between the formatter and DC controller was lost.
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55.00.00 (event code): Internal communication error
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55.00.01 (event code): DC controller memory error
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55.00.03 (event code): DC controller no engine response
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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.
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56.00.01 (event code): Illegal input, selected paper input tray is unavailable
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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.
57.00.0X Error
Description
A fan error has occurred.
ENWW
Tools for troubleshooting
215