Print method Electrophotography by semiconductor laser beam scanning Resolution 600 dots/inch (under Brother Printing Solution for Windows) Print speed 6 page/minute (when loading A4 or letter-size paper from the multipurpose sheet feeder) Warm-up Max. 20 seconds at 23°C (73.4°F) First print 20 seconds (when loading A4 or letter-size paper from the multipurpose sheet feeder) Print media Toner in a cartridge Life Expectancy: 2,200 pages/cartridge (when printing A4 or lettersize paper at 5% print coverage) Developer Drum unit, separated from toner cartridge