On MX-5001n have problems. After cca 5000prints, black developer unit is without developer. We change developer unit and added new developer and new drum unit. After 5000 prints the mistake is the same.
When we pull out the drum unit, we notice that developer sticks on drum surface.
We notice that problem, on three machines MX-5001N.
When we pull out the drum unit, we notice that developer sticks on drum surface.
We notice that problem, on three machines MX-5001N.
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