These chips are sold in a 10 pack.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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

These chips are sold in a 10 pack.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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

HP 4844 is high capacity and the 4840 is standard and they use different chips.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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

These chips are sold in a 10 pack.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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

These chips are sold in a 10 pack.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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

These chips are sold in a 10 pack.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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

These chips are sold in a 10 pack.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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

These chips are sold in a 10 pack.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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

These chips are sold in a 10 pack.

Here are some helpful tips on using our replacement chips for HP Cartridges:

Chips are not resettable. Operators handling these chips need to be grounded with wrist or ankle static guard to prevent ESD (Electro Static Discharge).

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