You may print hundreds or even thousands of pages on your HP LaserJet printer between cartridge changes, so it's prudent to clean the unit whenever you change the toner cartridge to keep used toner ...

Laser printers are the workhorse of the office, churning out thousands of pages per year – or even per month – in professional environments ranging from healthcare facilities to insurance companies.

From Photo Review Issue 45: Most printers require users to access the maintenance facilities as part of the initial set-up process because many printers require an initial Nozzle Check before they can ...