COPYRIGHT
©
2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 4 IMAGE FORMATION SYSTEM
4-41 P
4.4 Detecting the Level of Toner and Controlling the Supply of
Toner
The following component parts are associated with the toner supply system:
F04-404-01
The following signals are used:
[1] developing assembly toner level detection signal; when the absence of toner is detected,
‘0’.
[2] hopper toner level detection signal; when the absence of toner is detected, ‘0’.
TS2
TS1
DC controller PCB
1
7
8
9
···
J103A
TEP [2]
0V
DTEP [1]
5V
5V
0V
1
9
10
11
···
J103B
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