IMPORTANT
•We recommend that you put the drum unit and toner cartridge assembly on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.
•To prevent damage to the machine caused by static electricity, DO NOT touch the electrodes shown in the illustration.
Troubleshooting and routine maintenance
e Put the toner cartridge firmly into the new drum unit until you hear it lock into place. If you put the cartridge in correctly, the blue lock lever will lift automatically.
c Push down the blue lock lever and take the toner cartridge out of the drum unit.
IMPORTANT
•To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.
•Wait to unpack a new drum unit until immediately before you put it in the machine. Exposure to direct sunlight or room light may damage the drum unit.
•Be sure to seal up the used drum unit tightly in a bag so that toner powder does not spill out of the unit.
d Unpack the new drum unit.
Note
Make sure that you put in the toner cartridge correctly or it may separate from the drum unit.
f Clean the corona wire of the drum unit by gently sliding the blue tab from right to left and left to right several times.
1
Note
Be sure to return the blue tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.
g Put the new drum unit and toner cartridge assembly in the machine. Do not close the front cover.
99
C