On February 23, third-party chip designer Zhono announced that its replacement chips for toner cartridges used in Ricoh IM C2500-series MFPs are not affected by firmware upgrades Ricoh released on January 31. Zhono included configuration pages showing the old and the new firmware versions for Ricoh’s IM C2500 and IM C3000 A3 color MFPs. Ricoh
