Ricoh Printer/copier Spare P/n. B804-5210 PCB STP Control MP4000,4001,5000 etc.
B8045210 B804-5210 Finisher SR3020 Ricoh MP4000 MP4001 MP5000 MP5001 MPC301 MPC3500 MPC3501 MPC4000 MPC4500 MPC4501 MPC5000 MPC5501. CJE have, over the years, developed many of our own products for Acorn/RISC OS & Raspberry Pi computers.