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https://in.canon/en/business/imageclass-mf3010/product Struggling with the dreaded E202 error on your Canon MF3010 printer ? I’ve been there, and I know how frustrating it can be when your printer suddenly stops scanning. But don’t worry—I fixed mine with a quick DIY trick, and I’m sharing the steps so you can get your printer back to working smoothly. What Causes the E202 Error on Canon MF3010? The E202 error typically points to a scanner issue, often caused by the scanner’s contact image sensor (CIS) failing to move properly along its steel rod . Dust, debris, or a lack of lubrication can make the scanner mechanism stick, triggering this error. In my case, the fix was surprisingly simple. My DIY (Do it yourself) Fix: A Drop of Machine Oil Here’s what I did to resolve the E202 error on my Canon MF3010: Power Off and Unplug:   Safety first! I turned off the printer and unplugged it to avoid any mishaps. Access the Scanner Rod: I gently opened the scanner unit to expose the s...