Development
D129/D130 4-48 SM
13. Place a piece of paper [G] over the toner entrance hole. This prevents used toner falling
from the drum into the development unit during the TD sensor initial setting and interfering
with the Vref setting (toner density reference voltage)
14. Secure the drum [H] to the development unit, to close the PCDU (
x 2).
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.