Bj Cartridge - Canon BJC-3000 Service Manual

Part 5: Appendix

2.3 BJ Cartridge

Pin No Signal Name IN/OUT
1, 2, 3 HVH
4, 6 SUBH
5 ,7, 8, 10 VHG
9 HDATA
11 HSEL1B
12 HVDD
13 HCLK
14, 16 GND
15 HSEL1A
17 HSEL2A
18 HSEL2B
19 HLAT
20 ODD
21 EVEN
22 BENB0 **
23 BENB1 **
24 HENB0
25 HENB1
26 HENB2
27 HENB3
28 DIR
29 HRESET
30 DIA0 (DIA1)
31 DIK0 (DIK1)
32
* : The applicable nozzle varies when using the black BJ cartridge. Indicated in the ( ).
** : Details of BENB0 and BENB1.
BENB0
Low
High
Low
High
Figure 5-15 BJ Cartridge
Function
OUT Head heater drive voltage VH +24V
OUT Sub heater drive signal
... Head drive voltage VHGND
Serial data transferred by clock signal (H_CLK)
Head identification data and rank resistance detection value inclusive
OUT Higher 1 to 8, 17 to 24, ..., 177 to 184 within the head block
Rear nozzle heater selection signal (1 to 8, 17 to 24, ..., 145 to 152)*
OUT Head's logic drive voltage +5V
Clock data that transfers serial data
OUT Head's logic drive voltage HVDD GND
OUT Higher 1 to 8, 17 to 24, ..., 177 to 184 within the head block
Front nozzle heater selection signal (1 to 8, 17 to 24, ..., 145 to 152)*
OUT Lower 9 to 16, 25 to 32, ..., 185 to 192 within the head block
Front nozzle heater selection signal (9 to 16, 25 to 32, ..., 153 to 160)*
OUT Lower 9 to 16, 25 to 32, ..., 185 to 192 within the head block
Rear nozzle heater selection signal (9 to 16, 25 to 32, ..., 153 to 160)*
OUT Timing signal that latches serial data
OUT Heater selection signal for odd nozzle within the head block
OUT Heater selection signal for even nozzle within the head block
OUT Signal to generate output signal for heater enable decoder
OUT Signal to generate output signal for heater enable decoder
OUT Rear heater drive signal for 1 to 168 (1 to 112)* nozzles within the head
OUT Front heater drive signal for 1 to 168 (1 to 112)* nozzles within the head
OUT Rear heater drive signal for 169 to 192 (113 to 160)* nozzles within the head
OUT Front heater drive signal for 169 to 192 (113 to 160)* nozzles within the head
OUT Control signal for serial data input/output direction
OUT Reset signal
OUT Head temperature sensor (diode) anode
OUT Head temperature sensor (diode) cathode
... ... Not used
BENB1 Applicable nozzle
Low 1, 2, 9, 10, ..., 153, 154, ..., 186, 187 (1+8n, 2+8n : n=0~23)
Low 3, 4, 11, 12, ..., 155, 156, ..., 187, 188 (3+8n, 4+8n : n=0~23)
High 5, 6, 13, 14, ..., 157, 158, ..., 189, 190 (5+8n, 6+8n : n=0~23)
High 7, 8, 15, 16, ..., 159, 160, ..., 191, 192 (7+8n, 8+8n : n=0~23)
32 28 24 20 16 12 8 4
30 26 22 18 14 10 6 2
31 27 23 19 15 11 7 3
29 25 21 17 13 9 5 1
5-20
BJC-3000