HP Deskjet 6840 Printer series - 10.9  Maintaining print cartridges

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10.9 Maintaining print cartridges

The following tips will help maintain HP print cartridges and ensure consistent print


• Keep all print cartridges in their sealed packages until they are needed. Print

cartridges should be stored at room temperature (15 to 35 degrees C or 59 to

95 degrees F).

• Do not remove the plastic tape covering the ink nozzles until you are ready to

install the print cartridge in the printer. If the plastic tape has been removed

from the print cartridge, do not attempt to reattach it. Reattaching the tape

damages the print cartridge.