Where can I find additional help and troubleshooting information?
Visit www.hp.com/support/ojp7740 to access the User Guide where you can find notices, environmental, and regulatory information in the Technical Information section. You can also download the HP Print and Scan Doctor tool from www.hp.com/go/tools for troubleshooting on Windows computers.
From the official HP Officejet Pro 7740 Wide Format All-in-One Printer manual, page 2
Have a follow-up question?
Answers from the official manual.
Common questions