Canon CP660 Service Manual page 54

CHAPTER 2 BASIC OPERATION
Inputs to and Outputs from the DC Controller PBC (4/10)
Cassette size PCB
Cassette 2 size
detecting switch
Cassette size detection PCB
Cassette 1 size
detecting switch
J1101-6
Density
detection
PCB
J801-1
-2
Temperature/
-4
humidity
-3
sensor
Drum
cartridge
memory
2-6
COPYRIGHT © 1999 CANON INC.
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SW1601 J1601A-1
SW1602 -2
-3
SW1603
SW1604 -4
-5
SW1601 J1601B-1 J218-10
SW1602 -2
SW1603 -3
SW1604 -4
-5
J75 J46
-1 -6 -1 -6
-1 -6 -1 -6 -1
-4 -3 -4 -3 -4
-3 -4 -3 -4 -3
-2 -5 -2 -5 -2
-5 -2 -5 -2 -5
J55
-4 -1
-3 -2
-1 -4
-2 -3
Figure 2-106
DC controller PCB
J218-5
LSIZE1
-4 The size of the cassette 2 is identified
LSIZE2
-3
based on combinations of the states
LSIZE3
-2
of the four switches.
LSIZE4
-1
For details, see p. 5-6.
USIZE1
The size of the cassette 1 is identified
-9
USIZE2
based on combinations of four
-8
USIZE3
-7 switches.
USIZE4
-6
For details, see p. 5-6.
+24UH
J206-5
Toner density detection signal
+5V
-10
-7
DNS
-8
DNSREF
Incoming light feedback signal
-9
LEDCNT
LED intensity signal
-6
For details, see p. 4-23.
J206-4
+5V
-3
HUMSNS Machine internal humidity detection signal
-1
TMPSNS
Machine internal temperature detection signal
-2
For details, see p. 4-21.
J209-4
MSC1
Cartridge memory select signal
-5
Cartridge memory power supply signal
MPWR
-2
Cartridge memory data output signal
MDO1
-3
Cartridge memory serial clock signal
MSK1
-6
OPCSNS If the drum cartridge is present, '1'.
-1
MDI1
Cartridge memory data input signal.
-7
N.C
-8
For details, see p. 4-6.
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)