Thanks for this. I'll check them when I pull it apart next. The black development unit is the oldest part and needs replacing for sure but it's good to check them all.
Anyone know if there is there any way to "reconstitute" the cleaning blade?
It's a piece of rubber-type material attached to a metal plate that screws to the transfer cleaning unit. It's job is to clean the toner off the cleaning roller but the rubber has been eaten away in three places - down the center and where the alignment bars are printed. I'm assuming the toner has an acidic property that wears down the rubber over time.
The problem I'm having is the printer is leaving streaks right where the rubber has been compromised. While that whole unit should be replaced I'm wondering if there's some way to "fix" the rubber blade by smoothing it out.
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