Hey guys,
I have a DP-C266 that now needs it's 3rd Magenta developer change in 2 years and 75,000 color copies. I've just done a developer change in the factory developer unit and this last change I installed the developer into a new developer unit and it only lasted 5,000 copies. Anyone know what could be the issue? None of the other colors have given me any issues. Thanks for your help!
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