HP Deskjet 870 HP DeskJet 870C Printer - Support Information - Page 114

Macintosh Printing The HP DeskJet 870C printer comes with a Macintosh Driver Installation Disk which contains the printer driver. Before the printer can print, the software that enables the computer to communicate with the printer must be installed. Look at the system requirements shown below to determine your system's compatibility with the printer driver. System Requirements Note If you find only one serial port on your computer, your older model of Macintosh computer is not supported for use with this printer. If you do use this type of computer you will experience an unexpected printing of garbled text the first time your computer is turned on. To remedy this problem, either upgrade your computer or always turn on the computer before you turn on the printer. Minimum System Requirements Macintosh system software version 7.1 69030/33 MHz with at least 4 MB of system memory Power PC with at least 8 MB of system memory At least 7.5 MB free hard disk space Recommended System Requirements Macintosh system software version 7.5 or later Power PC with at least 16 MB of system memory At least 7.5 MB free hard disk space