Ricoh 4016 Series - Manual (Page 23)

G ETTING STARTED 1.12
Installing the Drum and Toner
Cartridges
1 Pull the release lever to open the side cover.
N OTE : Ensure that the side cover is always open before opening
the front cover.
2 Open the front cover.
3 If the cartridge locking lever is on the lower position, turn
the lever upward until it locks into place.