61.c4.d3 Error [extra Quality] <Full • 2026>

If the printer can reach a "Ready" state briefly, download the latest firmware from the HP Support site.

Alternatively, access the HP Support Page to download the correct firmware for your specific model and FutureSmart version. MFP Printer Code Errors Unknown - HP Support Community 61.c4.d3 error

Here are the most likely interpretations: If the printer can reach a "Ready" state

The is a scary-looking but often fixable issue. In roughly 80% of cases, a hard reset, firmware update, or NVRAM initialization resolves it. Only about 1 in 5 cases require a hardware replacement. a hard reset

This step determines if the formatter board is failing.

To understand the error, the code has been deconstructed based on standard industry hexadecimal fault coding: