[SOLVED] Quick fix Konica-Minolta 7521 list error codes – Compatible Printer model: Konica-Minolta bizhub 7521 – Konica-Minolta bizhub 7521 Error Codes with quick guides: Code: C0000 Description: Main Motor malfunction• The Main Motor (M1) Lock signal remains HIGH for a continuous 1-sec. period at any time 1 sec. after the Main Motor has started turning. […]