... (Previous Year)Office Supplies(Toner Cartridge,Drum Unit/Imaging Unit,Developer,Chip,Empty Toner Cartridge)Used for Copier and Printer2,648,000PCS2 ... to prevent the baby away from touching1 Before the drum unit is not used, do not open the vacuum packaging bags2 Before ... normal office, users should maintain a new drum unit at any time an alternate6 Used drum unit should be stored properly packed to ...