Error Code 65:YZ

Problem Description:

Memory Driver Internal I/O error, I/O Socket Manager Internal I/O error

Corrective Action:

Try the following:

1. Switch the power off from the back of the printer and disconnect the power cord. Reconnect the power cord and power on the printer.

2. Check that the unknown port cable is correctly connected to the printer.

3. Check that the printer has the latest firmware version. If not, update the firmware to the latest version.

4. Replace the Formatter.

5. Replace the Main PCA.

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