The 5C00 code is for purge cam sensor error meaning an error occurred in the purge unit. You can remove the purge assembly and clean out all the ink covering the moving parts. You can clean it with isopropyl alcohol or just water. If no luck, replace the purge unit, will be around $30. This is the part number, if you need to replace it: Purge unit (QM2-2925).
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