HP Smart Tank 790, 7600 printers – Cannot scan when tanks are low, very low or need filled

Update the firmware from the printer control panel.

1. On the Home screen of the printer display, touch Menu.

2. Scroll down, and then touch Tools > Maintenance > Firmware.

3. Select the option to update firmware.

Scan items with your printer or mobile device camera using the HP Smart app.

1. From the HP Smart app home screen, click a scan tile.

   • To scan from the printer, place your original on the scanner glass or into the automatic document feeder (ADF) (documents only), click Scan or Printer Scan.

   • To scan with a mobile device camera, place your original on a flat, well-lit surface, and then click Camera Scan.

2. Select a scan job type, such as Batch(mobile, macOS only), Document, or Photo, from the Advance Presets menu (Windows), or from the bottom (mobile) or right (macOS) of the screen.

   Location of the scan job types in Windows (left), mobile (middle), and macOS (right)

   

3. Change any scan settings using the right-side menu (Windows) or from the scan settings menu at the top of the screen (mobile, macOS).

   • Click Paper Size to change the scan size of the original item, such as Letter, A4, 4x6 in/10x15 cm.

     Click Input Source to change where the printer is scanning the original from, such as Automatic, Scanner Glass, or Document Feeder (ADF only).

   • Click Resolution to change the scan quality, such as 300 dpi for normal quality or 1200 dpi for high quality.

   • Click Color to change the scan output to Greyscale or Color.

   Location of the scan settings in Windows (left) and mobile, macOS (right)

   

4. Click Scan (Windows, macOS) or the circle button at the bottom (mobile) of the screen.

   Location of Scan in Windows (left) and macOS (right), and the circle button in mobile (middle)

   

5. If a Detect Edges or Adjust Boundaries screen displays, select Auto, Full, or manually adjust the scan boundaries, and then click Apply or Next.

   • Click Auto to let the app select the edges of the item.

   • Click Full to keep the entire capture.

   • Drag the blue dots on the scan to adjust the edges manually.

   

6. From the Preview screen, use the editing tools to add, remove, and edit scans.

   • Click + Add to scan or import additional files.

   • Click the Rotate icon to change the orientation of a scan.

   • Click the blue icon on a scan to edit, replace, or delete it.

   

7. When you are done, click an option to share, save, or fax the file.

8. Change the File Name, File Type, and Compression settings, and then follow the remaining prompts.

   For example, click Save, and then click Basic PDF as your File Type to save multiple scans as one file or Image to save them as individual files. When prompted, choose a folder on your device or cloud account, and then click Save.