HP printer has been playing an active role in providing users with extra-ordinary features. The connection between your computer and HP printer is necessary so as to ensure smooth data transfer. If you want to perform the printing task, it is essential for computers and printers to share data such as print commands. But, many times, the connection between the computer and the printer breaks because of some technical and hardware error. This article will help you restore the HP printer connects and solve the data transfer problem. Since there are different steps for each HP printer model, you can also connect with the experts at hp printer customer support number and take help from them regarding the issue. Steps to solve HP printer error 40 data transfer The HP Printer Error Code 40 breaks the connection between the computer and the printer and prevents you from giving print commands. Have a look at some necessary troubleshooting steps using which you can get rid of this er