Canon i9900 printer won't work with Windows 7 (64)

Hi Crystal,

Welcome to Microsoft Answers!

What error message do you get when you connect the printer to the homegroup?

Uninstall the drivers for Canon i9900 completely. Download the drivers from the link given below save it on the desktop, after uninstalling the drivers from device manager install the downloaded driver.

http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=DownloadDetailTabAct&fcategoryid=331&modelid=9388

To uninstall drivers

1. Click on Start menu, type in devmgmt.msc to open the Device Manager.   

2. The Device Manager will then display a list of installed devices in the right pane of the console.  

3. Expand the category of the device you wish to uninstall.  

4. Right-click the device and select Properties.  

5. Select the Driver tab on the device's Properties dialog box.  

6. Click the Uninstall Driver button.  

A dialog box will pop up asking you to confirm ‘Uninstall’. Click OK to proceed.  

For more details follow the link given below.

Update a driver for hardware that isn't working properly

http://windows.microsoft.com/en-us/windows7/Update-a-driver-for-hardware-that-isnt-working-properly

Hope this information is helpful.

Amrita M

Microsoft Answers Support Engineer
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