Unused toner in old cartridges is discarded.” Drill & fill operations merely top off empty cartridges, but do not check critical components such as drums, gears and wipers. Snags and nicks in the wipers can lead to streaks and blotches on the printed pages.
Worn out wipers are replaced.Remanufactured cartridges are different from recycled or refilled cartridges, commonly referred to as, “drill & fill. Snags and nicks in the wipers can lead to streaks and blotches on the printed pages.