Technical Details Brand Name: Samsung Model: SCX-4521F device_type: Copier / fax / printer / scanner Unknown modifier copier_type: Digital Unknown modifier fax_type: Plain paper Unknown modifier Printer Technology: Laser printer_output: Monochrome Unknown modifier RAM Memory Size: 16 MB Maximum Copy Speed Black and White: 20 ppm max_copy_resolution_black_white: 600 x 600 dpi Unknown modifier duplex: None Unknown modifier Maximum Print Resolution Black and White: 600 x 600 dpi Maximum print speed (Black and White): 20 fax_machine_compatibility: G3 Unknown modifier Fax Transfer Rate Maximum: 33.6 Kbps copy_size_maximum: Legal (8.5 in x 14 in) Unknown modifier Sheet capacity: 150 pc_connection_available: Yes Unknown modifier Connectivity Technology: Parallel, USB General Copier Type : Digital Fax Type:Plain paper Width:17.2 in Depth :14.7 in Printing Technology: Laser - Monochrome Height:14.5 in Monthly Duty Cycle (max): 4200 Display:2 lines x 16 characters Weight :22.9 lbs Memory Standard Memory :16 MB Copying Max Copying Speed :up to 20 pages/min Max Copying Resolution :up to 600 x 600 dpi Max Document Enlargement: 400 % Max Document Reduction :25 % Maximum Copies:99 Automatic Duplexing:None Scanning Scan Element:CIS Optical Resolution:600 x 600 dpi Interpolated Resolution: 4800 x 4800 dpi Fax Machine Compatibility G3 Max Transmission Speed :33.6 Kbps Data Compression System :MH, MR, MMR, JPEG Fax Resolutions :203 x 98 dpi, 200 x 200 dpi, 203 x 196 dpi, 300 x 300 dpi Total Memory Capacity: 160 pages PC Faxing:Yes Printing Max Printing Resolution :up to 600 x 600 dpi  Max Printing Speed :up to 20 pages/min warranty:1year