If you are ready to begin 123 hp com setup, here is the manual to read. After completing the hp Printer setup, perform the Print, Scan, Copy, and Fax jobs. If you are ready to begin 123 hp com setup, here is the manual to read. After completing the hp Printer setup, perform the Print, Scan, Copy, and Fax jobs. If you are ready to begin 123 hp com setup, here is the manual to read. After completing the hp Printer setup, perform the Print, Scan, Copy, and Fax jobs.