: A recent update failure or unexpected system shutdown has corrupted the core code required for hardware synchronization.
Shine a flashlight in to check the position of the print bar: 61.c4.d3 error
The error is a critical hardware malfunction typically associated with the print engine or moving mechanisms in certain wide-format and enterprise-level printers (such as HP PageWide models). 🛠️ Common Causes : A recent update failure or unexpected system
Plug the power cord back directly into the wall outlet (avoid surge protectors during testing). This will reset network settings (IP, passwords, etc
This will reset network settings (IP, passwords, etc.) to factory defaults.
While it temporarily disables printing, it occasionally leaves secondary scan features operational if you select the "Hide" option on the control panel. Technical Causes Behind the 61.C4.D3 Code
As soon as the HP logo or memory count appears, press and hold the lower right quadrant of the touchscreen (or the button on physical keypads).