Lub Nruas Tsev rau Ricoh MPC306, MPC307, MPC406, thiab MPC407 tshuab luam ntawv yog qhov hloov pauv zoo tsim los xa cov txiaj ntsig zoo sib xws thiab luam ntawv zoo. Tau tshaj cov lej D2140123, D296-0123, thiab D214-0123, lub nruas chav tsev no ua kom koj lub tshuab luam ntawv Ricoh ua haujlwm tau zoo thiab ua haujlwm zoo, txo qis sijhawm thiab kho.