Canon BJC-3000 Service Manual page 106

Part 5: Appendix
CN301 (Carriage Ribbon Cable Connector) / Carriage Board : CN1
CN301 Signal
Pin No. Name
1~12 HVH
13~15 SUBH0
16~27 ...
28, 29 HVDD
CN302 (Carriage Ribbon Cable Connector) / Carriage board : CN2
CN302 Signal
Pin No. Name
1 HDATA
2 ...
3 HCLOCK IN/OUT Clock data that transfers serial data
4 ...
5 HSEL1B
6 HSEL1A
7 HSEL2B
8 HSEL2A
9 ODD
10 ...
11 HALT
12 ...
13 BENB0 **
14 EVEN
15 HENB0
16 BENB1 **
17 HENB2
18 HENB1
19 DIR
20 HENB3
21 ...
22 HRESET
23 DIA
24 DIK
25~27 ...
28 HPA
29 HPC
* : The applicable nozzle varies when using the Black BJ cartridge. Indicated in the ( ).
** : Details of BENB0 and BENB1.
BENB0
Low
High
Low
High
IN/OUT Function
OUT Head heater drive voltage VH
OUT Sub heater drive voltage
... GND
OUT Head's logic voltage
IN/OUT Function
IN/OUT Serial data transferred by clock signal
... GND
... 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 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 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 Heater selection signal for odd nozzle within the head block
... GND
OUT Timing signal that latches serial data
... GND
OUT Signal to generate output signal for heater enable decoder
OUT Heater selection signal for even nozzle within the head block
OUT Rear heater drive signal for 1 to 168 (1 to 112)* nozzles within the head
OUT Signal to generate output signal for heater enable decoder
OUT Rear heater drive signal for 169 to 192 (113 to 160)* nozzles within the head
OUT Front heater drive signal for 1 to 168 (1 to 112)* nozzles within the head
OUT Control signal for serial data input/output direction
OUT Front heater drive signal for 169 to 192 (113 to 160)* nozzles within the head
... GND
OUT Reset signal
OUT Head temperature sensor (diode) anode
IN Head temperature sensor (diode) cathode
... GND
OUT Home position sensor signal pull-up voltage
IN Home position sense signal
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)
5-18
BJC-3000
CN1
Pin No.
18~29
15~17
3~14
1, 2
CN2
Pin No.
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
3~5
2
1