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  3. Lexmark CS421 Warranty Status

Warranty & service

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Check warranty status

Please provide the following information to view the warranty status for this device.

Serial numbers are located on the back of your printer.

Warranties, upgrades, extensions, and parts

Lexmark offers an extended limited warranty for most printer models. Extensions may be purchased anytime during the printer’s base limited warranty. Lexmark extended limited warranties are available to give your laser, dot-matrix, or inkjet printer a total warranty period of 4 years.

For business laser or dot matrix printers you have a choice of advanced exchange or onsite repair service.