Royal Copystar Ri 4230, Service Manual, Page: 56 / 602

2A3/4
1-3-33
• Correction based on the total drive motor time
The toner feed start level is also corrected based on the total time the drive motor (DM)
has been on from execution of maintenance item U130, so that the toner sensor output
is regulated properly.
0.76
Correction at the toner
feed start level (V)
0.46
0.36
0.24
0
10 30 50 150 Drive time (h)
B
A
Maintenance item U130 performed.
C
D
E
Figure 1-3-30 Correction based on the total drive motor time
A
When maintenance item U130 is carried out for initial developer setting, the total drive
motor time is cleared and the correction for the toner feed start level is reset to 0.
B
When the total drive time reaches 10 hours, the toner feed start level is corrected with
a constant value of 0.24 V.
C
When the total drive time reaches 30 hours, the toner feed start level is corrected with
a constant value of 0.36 V.
D
When the total drive time reaches 50 hours, the toner feed start level is corrected with
a constant value of 0.46 V.
E
When the total drive time exceeds 150 hours, the toner feed start level is corrected with
a constant value of 0.76 V.