Question about Brother MFC-7820N Printer
The "back cover open" message is usually caused by a paper jam inside the printer.
Follow these steps to rectify the problem.
1. Unplug the power to the printer.
2. Open the back and front cover.
3. Remove the drum and toner, this may be difficult because it may be stuck; don't be afraid to pull hard, you wont break anything.
4. Check for any foreign objects, most likely a peice of paper.
5. Reinstall the drum and toner.
6. Make sure to close the front and back covers.
7. Turn the power back on.
If the message stays after all this, there may be a sensor not working.
Posted on Mar 25, 2010
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