Black & White Laser Printer Duplex (2-sided) Printing: Integrated Duplex Print Speed: Up to 52 ppm Recommended Monthly Page Volume: 3000 - 50000 pages Designed for speed and uptime, the Lexmark MX822adxe features monochrome output of up to 55 [52] ppm*, 2,750 sheets of standard input and Ultra High Yield toner capacity.Power to excelA standard hard disk enhances overall performance and adds capabilities like OCR, full-speed scanning with mixed originals, image compression, auto detect, blank page removal and a classify-and-route option. And optional finishers that can staple, punch and stack keep big jobs in-house and give even smaller projects a polished and professional look.Blazing output, amazing captureA first page as fast as four seconds sets the stage for printing and copying at up to 65 [61] ppm*, backed by the powerful combination of 1.2-GHz quad-core processor and up to 6 GB of memory. Single-pass two-sided scanning at up to 150 [144] spm completes the speed equation, bolster