I-Drum Unit yamaphrinta we-Ricoh MPC306, MPC307, MPC406, kanye ne-MPC407 iwukumiselela kwe-premium okuklanyelwe ukuletha imiphumela yokuphrinta engaguquki nekhwalithi ephezulu. Ihambisana nengxenye yezinombolo D2140123, D296-0123, kanye ne-D214-0123, le yunithi yesigubhu iqinisekisa ukuthi iphrinta yakho ye-Ricoh isebenza ngokushelela nangempumelelo, inciphisa isikhathi sokuphumula nokunakekelwa.