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MFC 7420 Install Toner and Drum
Open the front cover and pull out the drum unit.
Hold down the lock lever on the right and pull out the toner cartridge.
Remove the protective cover.
Insert the new toner cartridge into the drum unit until it clicks into place.
If you have put it in properly, the lock lever will lift automatically.
Clean the primary corona wire inside the drum unit by gently sliding the blue tad from the right to left several times.
Return the blue tab to the HOME position before reinstalling the drum unit and toner cartridge assembly.
Reinstall the drum unit and toner cartridge assembly and close the front cover.Drum:
Open front cover.
Press Options.
Replace Drum 1. Yes 2. No
To confirm you are installing a new drum, press 1.
When the LCD shows (Accepted), close the front cover.
MFC 7420 Install Toner and Drum
Hold down the lock lever on the right and pull out the toner cartridge.
Remove the protective cover.
Insert the new toner cartridge into the drum unit until it clicks into place.
If you have put it in properly, the lock lever will lift automatically.
Clean the primary corona wire inside the drum unit by gently sliding the blue tad from the right to left several times.
Return the blue tab to the HOME position before reinstalling the drum unit and toner cartridge assembly.
Reinstall the drum unit and toner cartridge assembly and close the front cover.Drum:
Open front cover.
Press Options.
Replace Drum 1. Yes 2. No
To confirm you are installing a new drum, press 1.
When the LCD shows (Accepted), close the front cover.
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