Zhono Says Its Chips Resist Ricoh and Sharp’s Latest Firmware Upgrades


Chinese third-party chip-designer Zhono Microelectronics has announced that recent firmware upgrades to Ricoh IM C and MP C series and Sharp MX-61 series copiers do not affect its third-party compatible chips for cartridges used in the devices. According to Zhono’s announcement, models affected by the April 2024 firmware upgrades include Ricoh’s MP C4504 sold in North

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