The Lexmark X4975 is a business-class all-in-one inkjet machine with scan, copy, and print capabilities, as well as wireless printing, a built-in duplexer, and an automatic document feeder. Print speeds are fast for the price-point, ranging up to 30 pages per minute, with a higher-end print resolution of 4800x2400 dpi. Printing of both photos and professional documents is made simple with slots for flash memory cards, PictBridge-compatible USB devices, which can be used to directly print MS Office documents and PDFs as well. Wireless printing uses the 802.11g standard and is compatible with B and N standards as well. The automatic document feeder can hold 25 pages for multiple-piece copy and scan jobs.