* Based on printers and usage profiles tested in independent testing, Inkjet Printing Efficiency: Yield and the Customer Experience, SpencerLab Digital Color Laboratory, July 2005, commissioned by HP (www.spencerlab.com/reports/efficiency.asp). Single-function printers tested: HP Deskjet 5740, Epson Stylus c86, Canon PIXMA iP3000 and Lexmark z816. All-in-one printers tested: HP PSC 2355, Epson Stylus CX6600, Canon MultiPASS MP390 and Dell AIO 962.