Basic troubleshooting

If you are unable to print:

1.Make sure the cable connections are secure.

2.Make sure the printer is powered on. The On button will be lit white.

3.Check the wireless status light to make sure your printer is connected to a network.

4.Visit the HP Diagnostic Tools website at www.hp.com/go/tools to download free diagnostic utilities (tools) that you can use to fix common printer problems.

Windows

Make sure that the printer is set as your default printing device:

•• Windows 8.1 and Windows 8: Point to or tap the upper-right corner of the screen to open the Charms bar, click the Settings icon, click or tap Control Panel, and then click or tap View devices and printers.

•• Windows 7: From the Windows Start menu, click Devices and Printers.

•• Windows Vista: On the Windows taskbar, click Start, click Control Panel, and then click Printer.

•• Windows XP: On the Windows taskbar, click Start, click Control Panel, and then click Printers and Faxes.

Make sure that your printer has a check mark in the circle next to it. If your printer is not selected as the default printer, right-click the printer icon and choose Set as Default Printer from the menu.

If you are using a USB cable and you are still unable to print, or the software installation fails:

1.Remove the CD from the CD/DVD drive, and then disconnect the USB cable from the computer.

2.Restart the computer.

3.Insert the printer software CD in the CD/DVD drive, and then follow the on-screen instructions to install the printer software. Do not connect the USB cable until you are told to do so.

4.After the installation finishes, restart the computer.

If you are using wireless and you are still unable to print:

Go to the Networking section on the next page for more information.

Mac

Check your print queue:

1.In System Preferences, click Printers & Scanners (Print & Fax in OS X v10.7 Lion and OS X v10.8 Mountain Lion).

2.Click Open Print Queue.

3.Click a print job to select it.

4.Use the following buttons to manage the print job:

•• Cancel icon: Cancel the selected print job.

•• Resume: Continue a paused print job.

5.If you made any changes, try to print again.

Restart and reset:

1.Restart the computer.

2.Reset the printer.

a.Turn off the printer and unplug the power cord.

b.Wait a minute, then plug the power cord back in and turn on the printer.

Reset the printing system:

1.In System Preferences, click Printers & Scanners (Print & Fax in OS X v10.7 Lion and OS X v10.8 Mountain Lion).

2.Press and hold the Control key as you click the list at the left, and then choose Reset printing system.

3.Add the printer you want to use.

Uninstall the software:

1.If the printer is connected to your computer through USB, disconnect the printer from your computer.

2.Open the Applications/Hewlett-Packard folder.

3.Double-click HP Uninstaller, and then follow the on-screen instructions.

English

Anonymous usage information storage: The HP cartridges store a limited set of anonymous information about the usage of the printer. For more information and instructions for disabling this storage, see the electronic Help.

Acknowledgements: Windows XP, Windows Vista, Windows 7, Windows 8, and Windows 8.1 are U.S. registered trademarks of Microsoft Corporation.

Mac, OS X, and AirPrint are trademarks of Apple Inc., registered in the U.S. and other countries.

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HP 7645, 7640 manual Basic troubleshooting, If you are unable to print

7645, 7640 specifications

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