Learn how to clean a printer cartridge safely, when to use built-in cleaning, how to handle inkjet contacts, what to avoid, and how to verify print quality.

Unlike printers that use liquid ink, copy machines use toner cartridges that contain a large amount of colored powder. If a toner cartridge cracks while you're removing or installing it, the powder ...

The best thing to do is remove all the cartridges, and use a small vacuum to clean up all the stray toner inside the printer and on the cartridges. I just got done having a guy go through and do ...

Learn how to clean an HP printer head safely using diagnostic pages, built-in cleaning tools, alignment checks, and model-specific manual care.