The first step is to identify your HP printer model. Different models require different cartridges, so make sure to check your printer’s manual or look it up online to determine which cartridge you ...

Inkjet printers contain multiple cartridges that work together in outputting your company's forms, letters, contracts and other documents. When a cartridge runs out of ink, you must replace it with ...

— -- You've probably had this experience: Your printer tells you it's time to change the cartridge, but you dismiss the message and keep printing. Days or weeks later, you're still using the same ...

(Editor’s Note: This story was originally published by PC World. We are reprinting it here as a service to our readers. This story was recently nominated for a Maggie Award for Best Web Article.) ...