8-20 Phaser 6121MFP Service Manual
Service Parts Disassembly
Toner Cartridges
To replace toner cartridges when the printer is turned off, see “Replacing Toner 
Cartridges Manually” on page 8-23.
1. At the main menu, press the Menu button.
2. Press the Down arrow button and select Replace Toner.
3. Press the Down arrow button and select Toner Change.
4. Select the toner cartridge that you want to replace and press OK.
5. Open the Front Cover.
6. Hold onto the handle, pull it and remove the Toner Cartridge.
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