Even most OEM’s have a policy of remanufacturing returned cartridges at least once. It is the drum that transfers toner to paper so it is the most critical element to image quality. Therefore, changes may be made to listed specifications without prior notice.Toner that was not used in a cartridge are particles that were not able hold an electrostatic charge and would be useless.
” Drill & fill operations merely top off empty cartridges, but do not check critical components such as drums, gears and wipers. Drums are resurfaced and refinished to eliminate blemishes and give it a renewed magnetic surface..Even most OEM’s have a policy of remanufacturing returned cartridges at least once.