Fixing Kyocera FS1800 Printer Error Codes in details – Printer model: Kyocera FS1800 – Fix Error codes on Kyocera FS1800 model and its description: Code: A0 Description: Zero cross signal errorThe ZCROSS signal does not reach the engine board within 3 seconds after power on.e Causes: • Defective power supply unit. • Defective CPU U201 […]