HP Envy 7640: Unable to set the scanning resolution

Have been unable to set the resolution of scan during the scanning of the glass in a computer file (pdf, jpg). Guide the user to the HP page 47 7640 said: "● If you want to adjust the size of the scan, output type, scan resolution, or file type and so on, start scan from the software of the printer."
● To avoid all scanned text wrong or missing, make sure that the brightness is set properly the
software.
● If you want to scan a document with several pages in a single file instead of several files, run it
Scanner with the software of the printer instead of the sweep of the screen of the printer".

First of all, where is the "printer software" to start the scan?

Have tried all this. When I opened the series HP Envy 7640 (network): Assistant of HP printer, I click on "Scan the Document or Photo a" place in the scanning area. No scan dialog box never opens. Actually I tried to reinstall the printer driver. No change. Always impossible to get a scan dialog box. In addition, when I go in the start menu and the title of the series 7600 HP: HP envy, I click on the HP Scan icon. After a long wait, a dialog box appears that says: "Cannot communicate with Scanner", and it offers a few options. The first is to activate the device (printer), and then on; the second, control cables (its wireless operation); the third: try the software "fix." Happy to report that after stopping then on and running assistant printer again, this time by pressing the "scan a Photo Document' results in the appearance of a dialog box to make the changes that I've been looking for.

Tags: HP Printers

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