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How do i remedy this? Will simply replacing the color ink cartridge fix this? Must a service be provided to unclog the color ink holes? Is this something i can fix myself? I tried taking out both cartidges- the empty color cart, and the nearly full black cart, now the error code flashes E-1-6, and the orange triangle is still lit, with the color ink light flashing. I've recently read that the printer requires both color and black ink cartridges to be installed to print, and that the color ink holes may be clogged. I have had the printer for about 2 years, maybe longer, and the color ink has been empty nearly the entire time with the original cartridge installed the entire time, but I only use black ink, and the printer has worked fine until this error occured yesterday. My MG2120 Printer has Color ink error code, the LED display flashes alternating letters E-O-S, there is a steadily lit orange triangle light, and an indicator light next to the words 'color ink' is flashing.

Canon mp210 printer error codes