HP LaserJet Ultra M106w - Manual (Page 39)

2. Remove the used toner cartridge from the
printer.
3. Remove the new toner cartridge package from
the box, and then pull the release tab on the
packaging.
4. Remove the new toner cartridge from the opened
packaging shell. Place the used toner cartridge in
the shell for recycling.
ENWW Replace the toner cartridge 29