Fixing Kyocera TASKalfa 550c Printer Error Codes in details – Printer model: Kyocera TASKalfa 550c – Fix Error codes on Kyocera TASKalfa 550c model and its description: Code: C021 Description: Developer unit motor-YMC locking error: The developer unit motor-YMC is not rotating normally. Remedy: (1) Pull out the EPU tray and perform the output check […]