61.c4.d3 Error =link= Guide
Open all access doors and remove any jammed paper or debris.
Sometimes a faulty network or telephone cable can cause communication errors. Try booting the printer with all cables (USB, Ethernet, Fax) disconnected to see if it reaches a "Ready" state. 4. Update or Reinstall Firmware 61.c4.d3 error
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 Open all access doors and remove any jammed paper or debris

