Kumenyekanisha Ricoh Yishyuza Corona Grid, igisubizo cyiza kubikenewe byo gucapa. Yashizweho kugirango akore nta nkomyi hamwe naRicoh MP6503, MP7503, MP9003, MP6503SP, MP7503SP, na MP9003SPabandukuzi, amafaranga ya corona grid yemeza imikorere idasanzwe hamwe nubwiza bwanditse.
Hamwe nubwiza buhebuje, gride ya corona itanga uburyo bwo kwishyuza neza ingoma ya Photoreceptor, bikavamo ibyapa bikarishye kandi bisobanutse buri gihe. Iyimura neza amashanyarazi hejuru yingoma, igafasha neza tonier kandi ikarinda inenge iyo ari yo yose ishobora kuba.