Error messages appear
Unable to activate TWAIN source or An error occurred while acquiring the
If you are acquiring an image from another device, such as a digital camera
or another scanner, make sure that the other device is TWAIN-compliant.
Devices that are not TWAIN-compliant do not work with the HP software
provided with the printer.
If you are using a USB connection, make sure that you have connected the
USB Device Cable to the correct port on the back of your computer.
Verify that the correct TWAIN source is selected. In the HP software, check
the TWAIN source by selecting Select Scanner on the File menu.
Reload document and then restart job
Touch OK on the printer control panel, and then reload the remaining documents
in the ADF. For more information see Load an original in the automatic document