Hi china,
The latest drivers and software for the printer can be downloaded from the Canon USA website. Please click here to go to the Drivers and Software page for the PIXMA MP250. Once on the initial download page for your model, please do the following:
1. Verify that the operating system detected in the "OPERATING SYSTEM" drop-down menu is correct, and if it is not, please click the drop-down menu to select your operating system.
2. Next, please click on the red arrow next to the "RECOMMENDED FOR YOU" section and click the MP Drivers file. When you do, a red DOWNLOAD button will appear. Please click on the checkbox below the DOWNLOAD button, then click the red DOWNLOAD button to begin the download. The time for the download process may vary depending on the speed of your Internet connection and the size of the file being downloaded.
Once you have downloaded the MP drivers file, please follow the steps above to also download the software for the printer, except for you will want to click on the word "Software" instead of "Recommended for You" to display the software to download.
Hope this helps!
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