The Ricoh Color Controller E22C Fiery Printer Controller is designed for Ricoh 4503 series printers such as C3003, C3503, and C4503. It is a kit for maintenance and is compatible with Ricoh brand printers. This controller enhances color printing capabilities and is ideal for printing, scanning, and other tasks in the office environment. USED , TESTED , GOOD CONDITION. INTERFACE BOARD AND MEMORY INCLUDED.