Hi,these means that copier is detected too much waste toner in cleaning blade assy.
Clogging of toner inside the cleaner has been
detected with reference to an abnormal rise in the
- Remove the waste toner from inside the cleaner.
- Replace the air filter of the heat discharge fan.
and I would also recomend to check waste toner stiring "snail" and waste toner container.
Hope that helps!
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