How to Refill HP 74 Cartridges
The HP 74 is an inkjet cartridge used in HP's home desktop printers. It is capable of holding up to 20 ml of black ink. If your HP 74 cartridge is empty, you may chose to refill the cartridge with an inkjet refill kit instead of buying a replacement cartridge. Doing so is a straightforward process that only takes a few minutes to accomplish.
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Instructions
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1
Remove the label from the top surface of the HP 74 and place the cartridge upright onto a flat surface so that the refilling holes are facing upwards.
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2
Connect the needle attachment to your plastic refilling syringe and fill it with 20 ml of black inkjet replacement ink.
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3
Insert the needle on the end of your syringe into any of the five refilling holes on the top of the HP 74.
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4
Slowly push the plastic syringe's plunger to begin the refilling process. Once the 20 ml of ink is deposited into the cartridge, remove the syringe from the refilling hole.
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5
Place the filled HP 74 cartridge into your HP printer and wait eight hours for the ink to properly settle. You can run a few cleaning cycles for best printing results.
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