Reference Guide
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... > HP > HP Deskjet 2050 J510 or HP Deskjet 1050 J410 > Help. On software CD locate ReadMe.chm. Find Readme Insert the software CD, and then double-click the Read Me folder located at http://www.register.hp.com. The Readme file contains HP support contact information, operating system requirements, and the most recent updates to download and install the printer software...
... > HP > HP Deskjet 2050 J510 or HP Deskjet 1050 J410 > Help. On software CD locate ReadMe.chm. Find Readme Insert the software CD, and then double-click the Read Me folder located at http://www.register.hp.com. The Readme file contains HP support contact information, operating system requirements, and the most recent updates to download and install the printer software...