ROUTINE MAINTENANCE 5 - 9
HL7050_US_UG_FM5.5
4
Unpack the new drum unit.
Figure 5-14
5
Put the toner cartridge in the new drum unit. If you put the
cartridge in properly, the blue lock lever is lifted automatically.
Figure 5-15
■Wait to unpack a drum unit until immediately before you
put it in the printer. Exposure to direct sunlight or room
light may damage the drum unit.
■Do not touch the shaded parts shown in Figure 5-14.
■Make sure you install the toner cartridge properly, or it may
separate from the drum when you pick up the drum unit.