61.c4.d3: Error

In plain English: Your printer’s brain (formatter) tried to read firmware or a print job instruction, found it corrupted, and threw an error to prevent damage.

Plug the cord directly into a wall outlet (avoid surge protectors for this test) and reconnect to the printer. Step 5: Turn the printer back on. 2. Clear Physical Obstructions 61.c4.d3 error

If you are currently facing this "story" in real life, the steps are usually: Cold Boot: In plain English: Your printer’s brain (formatter) tried