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What’s the difference between laser and inkjet printers?
Inkjets create prints by placing thousands of tiny dots over every inch of the page. Printers with higher resolutions – measured in dots per inch (dpi) – can place more dots on the page.
As their print heads usually need to move about to cover the page, inkjet printers tend to be slower than lasers. Also, because the ink takes a second or two to dry, they might be slower still when duplex (double-sided) printing.
Laser printers work by negatively charging a light-sensitive surface called an optical photoconductor (OPC) drum. A laser then “draws” an image of the page to be printed onto the surface of the drum, discharging the areas it hits.