How can I troubleshoot a Canon MP287 printer displaying error 5200?

To troubleshoot error 5200 on your MP287, try these steps: 1. Turn off the printer and unplug it for at least 10 minutes. 2. Remove the ink cartridges and clean the electrical contacts on both the cartridges and the printer head carriage with a lint-free cloth lightly dampened with distilled water. 3. Reinsert the cartridges, plug the printer back in, and turn it on. If the error persists, it might require professional attention.