What should I do if my printer comes without a software CD?
If your printer does not come with a CD, you may order one from www.support.hp.com. Alternatively, Windows users can download the HP printer software from 123.hp.com/ojp7740 or use the HP Smart app instead of the CD.
From the official HP Officejet Pro 7740 Wide Format All-in-One Printer manual, page 1
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