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Lexmark CS421

Lexmark CS421

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Replacing a toner cartridge

  1. Open door B.

    Warning—Potential Damage:  To prevent damage from electrostatic discharge, touch any exposed metal frame of the printer before accessing or touching interior areas of the printer.

  2. Remove the used toner cartridge.

  3. Unpack the new toner cartridge.

  4. Insert the new toner cartridge.

  5. Close door B.
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