Bj Cartridge - Canon BJC-820 Service Manual

BJC-8200

2.3 BJ Cartridge

Pin No.
1,2,10,11,19
3
4
5,14
6
7
8,9,17,18,26,27 GNDH
12
13
15
16
20
21
22,31,40
23
24
25
28
29
30
32
33
34
35
36
37
38
39
41
42
43
44
45
Figure 5-9 BJ Cartridge
Signal IN/OUT
HVH ...
CS IN
SK IN
VDD ...
DO OUT
DHE IN
...
TO1 OUT
DATAB1 IN
DI IN
TO2 OUT
VHT ...
DATAA1 IN
VSS ...
DATAA2 IN
VDDA ...
SO3 OUT
BE0 IN
BE3 IN
SO1 OUT
VSSA ...
SO2 OUT
DATAA3 IN
HE3 IN
BE2 IN
BE1 IN
HE1 IN
CLK IN
HE2 IN
DATAB2 IN
BG IN
DATAB3 IN
TO3 OUT
9 8 7 6 5 4 3 2 1
18 17 16 15 14 13 12 11 10
27 26 25 24 23 22 21 20 19
36 35 34 33 32 31 30 29 28
45 44 43 42 41 40 39 38 37
Function
Voltage VH to drive heater
EEPROM chip select input
EEPROM serial clock input
Voltage to drive logic
EEPROM serial data output
Dummy heat enable signal
Heater drive voltage GND
Temperature sensor circuit output (K&CL)
Shift register data input for B chip (CL)
EEPROM serial data input
Temperature sensor circuit output (ML&C)
Voltage to drive power transistor
Shift register data input for A chip (K)
Logic drive voltage GND
Shift register data input for A chip (ML)
Temperature sensor circuit voltage
Fuse ROM data output (M&Y)
Head block enable signal
Head block enable signal
Fuse ROM data output (K&CL)
Temperature sensor circuit voltage GND
Fuse ROM data output (ML&C)
Shift register data input for A chip (M)
Heat enable signal (M&Y)
Head block enable signal
Head block enable signal
Heat enable signal (K&CL)
Shift register clock signal input
Heat enable signal (ML&C)
Shift register data input for B chip (C)
Shift register data latch signal input
Shift register data input for B chip (Y)
Temperature sensor circuit output (M&Y)
5-13
Part 5: REFERENCE