Monochrome laser printer features reliable, fast print speeds up to 42 pages per minute (Based on one-sided printing. Change from default setting required) for time-saving performance in small offices. USB 2.0 and parallel interfaces provide flexible local connectivity and lets you easily connect to two computers. Use the 250-sheet capacity paper tray for letter-size or legal-size documents, and print on envelopes and alternative media types from the 50-sheet multipurpose tray. For fewer refills, you can expand the paper capacity to 1,340 sheets with add-on trays (sold separately). Automatic two-sided printing helps you cut back on costs and lets you produce professional brochures, documents and booklets. Plus, get cost-efficient performance with an 8,000-page, high-yield replacement toner cartridge (sold separately). Laser printer also includes a 128MB memory, 800 MHz processor, one-line LCD and more.Monochrome laser printer features reliable, fast print speeds up to 42 pages per minute (Based on one-sided printing. Change from default setting required) for time-saving performance in small offices. USB 2.0 and parallel interfaces provide flexible local connectivity and lets you easily connect to two computers. Use the 250-sheet capacity paper tray for letter-size or legal-size documents, and print on envelopes and alternative media types from the 50-sheet multipurpose tray. For fewer refills, you can expand the paper capacity to 1,340 sheets with add-on trays (sold separately). Automatic two-sided printing helps you cut back on costs and lets you produce professional brochures, documents and booklets. Plus, get cost-efficient performance with an 8,000-page, high-yield replacement toner cartridge (sold separately). Laser printer also includes a 128MB memory, 800 MHz processor, one-line LCD and more.