The HP Officejet J4540 is an affordable all-in-one printer, faxer and scanner. The HP OfficeJet J4540 printer not only prints but also allows you to scan, copy, and fax documents. Printing with a speed of up to 28 pages per minute black, this HP Inkjet printer is speedy. Scanning with a resolution of 1200 x 2400 dpi, this all-in-one inkjet printer produces images in clear, sharp resolution. You can zoom in on the document between 25 to 400 percent with this HP Inkjet printer enlarging the text size. Important documents can be transmitted in no time with this all-in-one inkjet printer, which faxes a page in 3 seconds. Plug-in and start using the HP OfficeJet J4540, which is compatible with Windows-based PCs as well as Apple Macintosh OS computers. Key Features: Print speed Black: Up to 28 ppm Print speed Color: Up to 22 ppm Scan resolution: Up to 1200 x 2400 dpi Copy Reduce/Enlarge: 25 to 200% Fax memory: Up to 100 pages Maximum speed dials: Up to 90 Paper Handling: 20 page automatic document feeder.