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5 - 11 ROUTINE MAINTENANCE
6
Put the drum unit assembly in the printer.
Make sure that the printer is turned on, the front cover is open and the Drum and Alarm LED are lit.
Figure 5-18
7
Reset the drum counter. See the instructions supplied with the new drum unit.
Caution
■ The Drum LED indication does not disappear until you reset the drum counter.
■ Do not reset the drum counter when you replace only the toner cartridge.
8
Close the front cover.
9
Make sure that the Drum LED is now off.