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Dislikes: when i put a certain drum unit machines message is that there is no drum unit and to insert one. It only happens with one certain unit . When i insert an other unit is ok. Where is the problem in this unit?
when i put a certain drum unit machines message is that there is no drum unit and to insert one. It only happens with one certain unit . When i insert an other unit is ok. Where is the problem in this unit?
Apparently.
I had the same problem when I was changing a light bulb today. I can't figure it out.
The machine is not seeing the toner density sensor.
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