Lift out the black bit of plastic with the horizontal pin.
Locate it with the horizontal pin next to hole of vertical pin
Replace numbered turret with the zero on the alignment mark
Replace...
Type: Posts; User: Timmay
Lift out the black bit of plastic with the horizontal pin.
Locate it with the horizontal pin next to hole of vertical pin
Replace numbered turret with the zero on the alignment mark
Replace...
R93 is correct