Ricoh C231 Service Manual page 446

DRUM
6.6.3 INK SUPPLY MECHANISM
[B]
[C]
[D]
C238D040.WMF
[A]
Mechanism
Ink pump motor [A]
Gears [B]
Gear rotation converted into piston motion.
Supplies ink from the ink cartridge to the ink roller via the pump, the shaft, the tube,
and the ink distributor pipes [C]. Ink drops through 4 openings [D] in the ink
distributor onto the ink roller.
NOTE: The ink pump is outside the drum in this model.
C231/C237/C238 6-24 SM