Color Bj Cartridge - Canon BJC-2000 Service Manual

Part 4: Technical Reference
2) Nozzle arrangement
The bubble jet nozzles are arranged 1/360 inch apart in a vertical array.
The black BJ cartridge has 128 nozzles. On the color BJ cartridge, the first 24
nozzles are for yellow ink, the second 24 nozzles are for magenta ink, the third 24
nozzles are for cyan ink, and the remaining 64 nozzles are for black. The color BJ
cartridge has a total of 136 nozzles.
Black BJ Cartridge
3) Signal connection point (contact pad)
See Part 5: 6.3 BJ Cartridge & Scanner Cartridge (page 5-26) .
4) Circuit diagram

Color BJ Cartridge

Nozzle 1
Nozzle 128
Photo BJ Cartridge
Figure 4-11 Nozzle Arrangement
Temperature Control Heater x 2
HTO
HVH
HTI
Rank Resistor
TOP
VHG
Sub-Heater x 2
W-HT
<0>
H ENB
<1>
Odd ENB
Even ENB
1
<0>
2
B ENB <1>
<2>
Block Enable
8
Decoder
128bit Shift Resistor 128bit Latch
1
16
128
HDATA
113
114
127
128
HCLOCK
HRES
HLATCH
HVdd
HVss
DIODE A
Head
Temperature
Sensor
DIODE K
ID0
ID1
Figure 4-12 Black BJ Cartridge Block Diagram
4-14
Nozzle 1
Yellow Nozzles 1 to 24
Magenta Nozzles 25 to 48
Cyan Nozzles 49 to 72
Black Nozzles 73 to 136
Nozzle 136
Heater 1
1
2
3
4
16
Delay
17
128bit
Tr.
Array
Delay
113
114
115
116
Heater
127
128
128
BJC-2000