HP COLOUR LASER 150A. FUNCTIONS: PRINT. PRINT TECHNOLOGY: LASER. PRINT SPEED: UP TO 18 PPM BLACK(A4, NORMAL); UP TO 4 PPM COLOUR(A4, NORMAL). PRINT RESOLUTION: 600 X 600 DPI 4 BITS BLACK (BEST); 600 X 600 DPI 4 BITS COLOUR(BEST). MONTHLY DUTY CYCLE: UP TO 20,000 PAGES A4; RECOMMENDED MONTHLY PAGE VOLUME: 100 TO 500. DUPLEX PRINTING: MANUAL (DRIVER SUPPORT PROVIDED). PROCESSOR SPEED: 400 MHZ. STANDARD: HI-SPEED USB 2.0 PORT. WIRELESS: NO. NUMBER OF PAPER TRAYS: STANDARD: 1