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
Corrupted firmware is a common culprit for persistent 61.xx.xx errors.
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
In many instances, this error code is associated with a physical blockage. If the printer is brand new, it often occurs because the (located behind the door with the HP logo) was not removed. In older units, it may indicate that the print-bar has "slammed" against the service sled or that a mechanical part has failed due to wear or damage. Step-by-Step Troubleshooting Guide 1. Perform a Power Reset
Unplug the power cord from the back of the printer and the wall outlet. Step 3: Wait at least 60 seconds . Have you checked the in the Embedded Web
Access the Embedded Web Server (EWS) by entering the printer's IP address into a web browser on the same network. Check the event log for the specific 8-digit code to get a more detailed description of the failure.
If the mechanical path is clear, the issue may be electronic communication between the formatter and the engine. Turn off the printer using the power button
The error is a specific firmware or hardware communication failure typically found on high-end HP printers, such as the HP PageWide Enterprise and HP Officejet Enterprise series. This error generally signals that the printer's internal print-bar is physically obstructed or the formatter board has lost communication with the print engine. Understanding the 61.c4.d3 Error
Mechanical resistance is a primary cause for this specific error string.