Developer - Ricoh D158 Service Manual

4.7.6 DEVELOPER

1. PCU ( p.4-50)
2. To let the toner fall to the development section, gently tap about eight different spots on the
top of the PCU with a screwdriver. Each spot must be approximately at an equal distance
from the next spot.
3. Reinstall the PCU in the copier.
4. Turn the main switch on.
5. Open and close the front door and wait for the machine to rotate the development roller for
about 10 seconds.
6. Repeat the previous step two more times.
7. PCU ( p.4-50)
8. Separate the developer section from the OPC drum section (
9. Top part [A] of the development unit (

Release the hook [B].
10. Set the coupling [C] back to the shaft.
11. Turn the coupling in the direction of the arrow [D] to remove developer from the roller.
12. Turn the bottom part [E] over and rotate the gears to remove the developer.
13. Load new developer.
14. When reassembling, execute SP2-801-001 (Developer Initialization) to reinitialize the TD
sensor.
D158/D159/D160/D161/D170
p.4-52).
x 5)
4-55
PCU Section
SM