Ricoh D009 Service Manual page 168

Development
9. Pour approximately 1/3 of the developer [E] evenly along the length of the development
unit.
10. Rotate the drive gear [F] to work the developer into the unit.
11. Repeat steps 8 and 9 until all toner is in the unit and level with the edges.
12. Re-install the development roller.
Make sure that the seals at the both sides of the development roller are set
inside the case after you re-install the development roller.
13. Place a piece of paper [G] over the toner entrance hole. This prevents used toner falling
from the drum unit into the development unit during the TD sensor initial setting and
interfering with the Vref setting (toner density reference voltage)
14. Secure the drum unit [H] to the development unit, to close the PCDU (
15. Install the PCDU in the machine and close the front and right doors.
16. Turn on the main power switch, and wait for the machine to warm up.
17. Do SP2801 to initialize the TD sensor and enter the developer lot number.
18. After performing the TD sensor initial setting, remove the sheet of paper from the
PCDU.
D009/D011/D012/D013 3-38
x 2).
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