If your scanner is not responding, then make sure:
The printer is turned on.
The printer cable is securely attached to the printer and the host computer.
The Ethernet cable is securely attached to the printer and your network connection.
The power cord is plugged into the printer and a properly grounded electrical outlet.
The electrical outlet is not turned off by any switch or breaker.
The printer is not plugged into any surge protectors, uninterrupted power supplies, or extension cords.
Other electrical equipment plugged into the outlet is working.
Once you have checked each of these possibilities, turn the printer off and then back on. This often fixes the problem with the scanner.
These are possible solutions. Try one or more of the following:
Clear any error messages.
Clean the scanner glass with a clean, lint-free cloth dampened with water. For more information, see Cleaning the scanner glass.
Increase the resolution of the scan for a higher quality output.
Make sure the quality of the original document is satisfactory.
Make sure the document or photo is loaded facedown on the scanner glass in the upper left corner.
These are possible solutions. Try one or more of the following:
Clear any error messages.
Make sure the printer is plugged in, the power is on, and
appears.Make sure the network or USB cable is securely connected to the computer and the printer.
These are possible solutions. Try one or more of the following:
If only a grey box appears, then make sure Sun Microsystems' Java Virtual Machine (JVM) version 1.4.2 or higher is installed on your computer.
If you are using Windows XP, then the Windows XP personal firewall must be disabled before you can use Scan to PC profiles.