HP Photosmart C4270 All-in-One Printer - Manual (Page 125)

See the documentation that came with Readiris, or whichever OCR software you use,
for information on how to select the OCR language.
The scan feature does not work
Cause: There are several reasons why a scan does not occur:
• The computer is turned off.
• The HP All-in-One is not properly connected to the computer with a USB cable.
• The software that came with the HP All-in-One is not installed or is not running.
Solution:
• Turn the computer on.
• Check the cables that connect the HP All-in-One to your computer.
• Restart your computer. If that does not help, install or reinstall the software that
came with the HP All-in-One.
Errors
If the HP All-in-One has an error, the lights on the device might flash, or an error message
might appear on the display of the HP All-in-One or your computer screen.
This section contains the following topics:
• Device messages
• File messages
• General user messages
• Paper messages
• Power and connection messages
• Print cartridge messages
Device messages
The following is a list of device-related error messages:
• Firmware revision mismatch
• Mechanism error
• Memory is full
• Scanner failure
Firmware revision mismatch
Cause: The revision number of the HP All-in-One firmware does not match the
revision number of the software.
Solution: To find support and warranty information, go to the HP Web site at
www.hp.com/support . If prompted, choose your country/region, and then click
Contact HP for information on calling for technical support.
Chapter 13
122 Troubleshooting
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