Our copy center/test machine has lines on the drum when sitting over night. they look like the drum balde stuck to the drum and if ran off & on for a few days will develop a number of lines. I can clean them off with anything like Rubber roller cleaner, drum polish, Alcohol ( with a lot of scrubing) and they are back the next day it seems. once cleaned off I can run 100+ copy or prints and no problem as long as it is the same day. once its been setting all day or over night the first set of lines reappear. I have swapped the drums into diffrent units,..No Joy. Swapped drum blades from a known good unit,..No Joy I just installed Black and yellow drum units to see what happens next and have the copier unpulged until tomorrow morning to see what affect that has. I wonder if heat ( we have a hot summer going on) has anything to do with this? Any one run into this before? I have tried to search the forum the same problem and have missed it if it was covered before. These are all dieing early due to drums and belts in our area. PM kits cost too much for the boss to spring for them. time to up-grade them all it looks like.
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