61.c4.d3 Error File

Mechanical resistance is a primary cause for this specific error string.

A standard reset can often clear temporary firmware glitches that trigger 61.xx errors. Turn off the printer using the power button. 61.c4.d3 error

Corrupted firmware is a common culprit for persistent 61.xx.xx errors. Mechanical resistance is a primary cause for this

Download the latest firmware for your specific model from the official HP Support site. If the printer won't boot, you may need to use the Preboot Menu to format the drive and reinstall a fresh copy of the firmware. When to Contact Support Corrupted firmware is a common culprit for persistent 61

Ensure all orange tape and plastic restraints are removed, especially from the print-bar area.

Have you checked the in the Embedded Web Server to see if there are any other related error codes? MFP Printer Code Errors Unknown - HP Support Community

Unplug the power cord from the back of the printer and the wall outlet. Step 3: Wait at least 60 seconds .