i wonder if my trick with Nu Finish on the charge roller would fix this issue? it worked on the smaller color 350/450.. actually increased sharpness of prints and the drum units started going the 120,000pg and some even more!
pull the roller..
clean with water ..dry
cover the roller in a thin film .. let dry and buff off with lint free towel..
sometimes you had to re-apply 2/3 times but they came out nice n clean and shiny black
mind you this only works on hard rubber rollers DO NOT USE ON FOAM rollers
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