Originally Posted by
mercadoven
Hi,
something similar happened to me a long ago, not this exact model, but a DC252. There were no codes and one color was absent.
There is a spring that keeps together the Developing unit and the Color drum, if you can remove the drum very easily, then maybe the plastic yellow guide where you insert the color drum is broken and the spring is no longer making tension and keeping the developing unit far from the drum, so you cannot get any image even if the developer unit drive is working properly, thus you don't get any code.
In order to access these springs you need to remove the black cover that contains the toner inlets to the developer units (3 screws).
best regards
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