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WIC Reset Program and Chipless Firmware
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xunfeng

XP-55 downgrade cartridge firmware tips success, ink is still decreasing

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Hello, I bought the xp55 cartridge firmware, according to the instructions after the brush, prompt success, and then turn off the printer to reopen, the amount of ink is still in use to reduce, I remove the cartridge chip, it does not recognize the cartridge, cartridge cartridge firmware no Play a role. Thanks, please help me

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