Ricoh FT4460 Service Manual page 151

28 February 1989
31. Insert the toner cartridge [A] completely and turn it counterclockwise.
NOTE: Confirm that the toner cartridge gear is properly engaged by
attempting to rotate the toner cartridge knob counterclockwise.
When the toner cartridge gear is properly engaged, the toner
cartridge knob will not rotate freely.
32. Insert the screwdriver [B] into the hole in the right inner cover and lift the
supporter [C] to a 45° angle as shown in the illustration.
33. Push the development unit lock release lever [D].
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