Kyocera CS-1820 Main Logic PCB, old part number 2GM01340. With network interface. These are good pulls from printers that were traded in or off lease. They have been tested and come with a 90 day warranty.
Electronic PCBs do not have the wear and tear on them that mechanical parts do in a printer, this is a great value.
You may order on-line or by calling 1.800.473.7909