Quote Originally Posted by dan7777 View Post
Like the other posts said, usually the drum. My drums go 50% to 120% but they usually do not make it to 100%.

hi.if you notice you not getting yield.strip drum out of unit.i use vacuum an I vacuum brushes and excess toner from dev.take charge roller out and clean with either mr mckenic or even dish washing liq.just dry with clean cloth after.
doesn't make it a new drum but you will get a couple of thousand prints getting you much closer to yield. just rem to do a auto grad with a clean laser for mc to get a accurate dens reading