Ricoh A251 Operating Instructions Manual page 128

2 Open the toner cartridge cover.
3 Turn the old cartridge towards you.
Then, while pressing the cartridge to the right,
lift the left end and remove the cartridge.
4 Put the old toner cartridge in a vinyl bag and
dispose it according to local regulations for
plastics.
5 Shake the new toner cartridge lightly 5 to 5
times to remove lumps.
6 Install the new cartridge. Make sure that the
white circle labeled 1 on the cartridge faces up.
Make sure the cartridge is set well but don't
push it in yet.
2
1
2
SM019
1
SM020
SM021
SM022
43