Main Print Board For Ricoh Mp 2550 3350 2851 3351 2352 2852 3352 Controller Mp2550 Mp3350 Mp2851 Mp3351 Mp2352 Mp2852 Mp3352 - Parts & Accessories - AliExpress
Konix Geek Star Amethyst Controller USB/Gamepad - Compatibile con Nintendo Switch e PC - 13 Pulsanti - Impugnature Antiscivolo - Cavo 3m - Nintendo Switch - Esseshop
Download and install Ricoh Company Ricoh PCIe Memory Stick Host Controller - driver id 1505019
Used Original Motherboard and Memory card for Ricoh MP2550 3350 2851 3351 2500B 3350B Print Control Board Interface Board Memory - AliExpress