Canon Scanner 4200F; OS Windows 7 (64) Downloaded, from Canon site, the CanoScan toolbox AND the 64 bit driver. Both installed correctly and are recognized by the system. When I tried to scan, using the toolbox, the Scanner lamp goes on but the scan will not initiate and the error 'Cannot communicate with the scanner - check cable and connection.' Changed USB ports - same msg. Reloaded drivers - same msg. Canon help claims that the problem is that the OS is 'blocking the Communication' Q: If this is true how do I unblock? Actually, the oprating system cannot block the scanner by system area.

So if this proves to be true, you'll need to use a scanning app that supports ISIS or TWAIN, which most imaging/scanning apps do, but the scanner won't be accessible via Devices and Printers, which uses WIA. WIA is a driver model implemented in Windows XP or later. It allows you to scan items without using an application. The procedure varies depending on the application. The following procedures are examples only.

Visual C 2008 How To Program Deitel Pdf Printer. This issue can occur by incompatible driver or damaged hardware. I suggest you perform the following steps to troubleshoot the issue. Unplug the Scanner and plug it on another machine for a test. Does it work fine on another machine? Windows Serial Key On Hp Pro 4530. Uninstall all printer drivers and Scanner drivers on the machine, and then reinstall the Scanner driver for Windows 7 64bit again.

For your reference, please download the driver from the link below: Please Note: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

If the issue persists, please upload the picture to Skydrive () and share the link to me for research. Thanks, Novak. THANKS FOR THE SUGGESTIONS The scanner does scan on another system running Vista.

Downloaded the pgm from your link, Lamp comes on, no scan - msg 'communication Problem' TWAIN data transfer error. Removed USB cable, deleted Toolbox and Driver, Reinstalled, plugged up the USB Msg says driver loaded and is OK. Lamp on - no scan. Did the same thing but before downloading driver restarted system W/O services and startup.

Driver installed and was 'OK' Lamp on - no scan. Love to 'Upload the Picture to Skydrive' but haven't a clue as to what picture is being referred to. Thanks again, Gene N. First, I would like to confirm the following questions: 1. Is there an exclamation mark or question mark in Device Manager after plugging the scanner? If so, please let me know. Which software is used on the machine to scan file, the built-in application or Canon software?