Minolta Di551 Service Manual page 77

TONER SUPPLY UNIT
b. Toner supply
When the voltage detected by TCSB (toner con-
trol sensor board) is below the specified value,
PRCB issues a control signal to drive M12 (toner
supply). The relationship between the paper size
and toner supply time is summarized in the fol-
lowing table:
Paper size
A3
B4
F4
A4
B5
B5R
A5
11 X 17
8.5 X 14
8.5 X 11
5.5 X 8.5
Supply time (sec)
1.30
0.98
0.98
0.65
0.49
0.49
0.33
1.30
0.98
0.65
0.49
2-H-4