Ricoh B121 - 3.6 PCU SECTION

PCU SECTION
B121 Series/B259 Series 3-22 SM
3.6 PCU SECTION
3.6.1 PCU
1. Toner bottle with the holder [A]
2. Open the right door.
3. Press the latch [B] and pull out the PCU [C].
NOTE: Do not touch the OPC drum
surface with bare hands.
4. Load new developer ( 3.6.6).
5. When reassembling, execute SP2-214 to
reinitialize the TD sensor.
3.6.2 PICK-OFF PAWLS AND TONER DENSITY SENSOR
CAUTION: Do not turn the PCU upside down. This causes toner and developer to
spill out of the PCU housing.
1. PCU ( 3.6.1)
2. Pawl [A]
NOTE: Pull down the pawl and
release the bottom end.
3. Toner density sensor [B] ( x 1)
NOTE: The toner density sensor is
taped to the bottom of the
PCU. Pry it off with a
screwdriver.
4. After reinstalling the pick-off pawls or
toner density sensor, adjust the image quality ( 3.6.7).
B121R918.WMF
B121R969.WMF
B121R970.WMF
[A]
[B]
[A]
[B]
[C]