Scanner unreachable please help me!! :-)

Hello,
I have a Windows 8 system and HP LaserJet 200 Color MPF M276 printer. All of a sudden the printer will not scan documents, but it will print and copy documents just fine. This is the error message I get when trying to print:
"Scanner communication cannot be established. Ensure your product is powered on, check the connection, and ensure your networkis functioning properly. If these conditions are correct, restart the product and try scanning again.
If you installed this printer by IP address, then you might need to update the UP address. Use the Update IP Address item in the Start menue entry for this printer.
If you are running firewall software, it may be blocking scan communication. Please visit .... to congigure your firewall."
Please help! Thank you so much!

Hi @ashneedshphelp ,
I see that you are getting a communication error when trying to scan. I will certainly do my best to help you.
You can always restore your computer back to a earlier time when everything was working properly.
How to refresh, reset, or restore your PC on Windows 8.
If you would prefer not to do the System Restore, download and run the Print and Scan Doctor. It will diagnose the issue and might automatically resolve it. Find and fix common printer problems using HP diagnostic tools for Windows?
Check the Windows Image Acquisition (WIA) services:
Click the Windows icon (), type services.msc in the Search programs and files box, and then click the services.msc link under Programs. If prompted, click Yes.
In the Services window, right-click Windows Image Acquisition (WIA) service, and then click Properties.
Click the Dependencies tab.
Make sure that Remote Procedure Call (RPC) and Shell Hardware Detection are listed, and then close the Properties window.
In the main Services window, make sure that Remote Procedure Call (RPC) and Shell Hardware Detection show as Started in the Status column. If they do not, continue to the next step to start the service.
In the Services window, right-click Windows Image Acquisition.
If the option to start the service is available, click Start.
If the option to stop the service is available, click Stop. When the service stops, right-click Windows Image Acquisition (WIA) again, and then start the service.
Close the Services window.
You might have to configure the firewall.
Configuring a Firewall to Allow a Connection with the All-in-One in Windows.
Try and scan again.
What were the results when you ran the Print and Scan Doctor? (did it print or scan, any error messages)
How is the printer connected? (USB/Ethernet/Wireless)
If you need further assistance, just let me know.
Have a nice day!
Thank You.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Gemini02
I work on behalf of HP

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    Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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                   System.out.println("There are " + invDAD + "DARK ARMED DRAGON ");
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                else if (d == 0)
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             //starting method quad
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             double x1 = 0;                         //value for x - solving for x
             double x2 = 0;                         //value for -x - solving for negative x
               //Checking if discriminant equals zero or is larger than zero
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             else
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         }//end method quad

    Man, you guys/gals are great! You notice everything...I sure appreciate all the help so far. I've updated a few things, but I still can't get x1 in the method to pass the right input to line 39. For instance, if I set a=2, b=4, and c=-30, then x1 should = 3 and x2 should =-5, but both keep showing -5. They are always equal for some reason, even when they are not supposed to be.
    I see what you were saying with d always equalling zero. I was looking in the main where it doesn't always = zero, but in the method it was always set to zero. Thanks...good eye!
    num1 = quad(a, b, c, 1);                              //line 39
    num2 = quad(a, b, c, 2);                              //line 40
    JOptionPane.showMessageDialog(null, "There are two real roots. They are root 1 = "+ num1 + " , and root 2 = " + num2 + ".");I also added this to the method so d won't always = zero
    d = (Math.pow(b,2) - (4 * a * c));I also have all of the variables declared at the top, but I forgot to copy and paste all of them and I updated the System.exit(0) to close the JOptionPane along with extra } 's to close the program correctly.
    Again, thanks a bunch.

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