dear all i have problem with my 650 c
yellow developer disappear after few hudered copy I changed so many iu ,
i clean mcahine very well ,changed hv unit ,i put extra packing at iu close leaver
but still after few days developer run out
any have this prob
yellow developer disappear after few hudered copy I changed so many iu ,
i clean mcahine very well ,changed hv unit ,i put extra packing at iu close leaver
but still after few days developer run out
any have this prob
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