3Using and Caring for Your Print Cartridges

Damage Resulting from Refilling the Print Cartridges

To get the best performance from your printer, Hewlett-Packard recommends using only genuine HP supplies for HP DeskJet printers, including genuine factory-filled HP print cartridges.

Damage resulting from the modification or refilling of HP print cartridges is specifically excluded from coverage by HP printer warranties.

Note: When buying replacement print cartridges, check the part numbers carefully. The print cartridge numbers for the 640C, 640CL, and 642C printers are:

Black HP C6614 Series

Tri-Color HP C51649 Series

Photo HP C1816 Series

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