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The chips are $2.20 each, and are sold in a 5pack. Here are some helpful tips on using our replacement chips for HP Cartridges: They are not resettable; operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electrostatic Discharge).

Testing the chips in printers will activate the chip (and activate the countdown for the chip’s shelf life).

The chips are $2.20 each, and are sold in a 5pack. Here are some
helpful tips on using our replacement chips for HP Cartridges: They are
not resettable; operators handling these chips need to be grounded with
wrist or ankle static guard to prevent ESD (Electrostatic Discharge);
the HP 4844 is high capacity and the 4840 is standard and they use
different chips.

Testing the chips in printers will activate the chip (and activate the countdown for the chip’s shelf life).

The chips are $2.20 each, and are sold in a 5pack. Here are some helpful tips on using our replacement chips for HP Cartridges: They are not resettable; operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electrostatic Discharge).

Testing the chips in printers will activate the chip (and activate the countdown for the chip’s shelf life).