Zhono Provides Video Instructions for Resetting Lexmark CS421 Drum Chips


Zhono Microelectronics Co., Ltd., a provider of replacement chips for third-party consumables, has released its latest educational video. The YouTube video, which is shown below, walks customers through the process of resetting the chips on the drums employed in the Lexmark CS421 using a Zhono chip. Lexmark launched the CS421 series of A4 color laser

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