Operation Manual
CN301 (Carriage Ribbon Cable Connector) / Carriage Board : CN1
CN302 (Carriage Ribbon Cable Connector) / Carriage board : CN2
Part 5: Appendix
BJC-3000
5-18
CN302 Signal IN/OUT Function CN2
Pin No. Name Pin No.
1 HDATA IN/OUT Serial data transferred by clock signal 29
2 ... ... GND 28
3 HCLOCK IN/OUT Clock data that transfers serial data 27
4 ... ... GND 26
5 HSEL1B OUT
Higher 1 to 8, 17 to 24, ..., 177 to 184 within the head block
25
Front nozzle heater selection signal (1 to 8, 17 to 24, ..., 145 to 152)*
6 HSEL1A OUT
Higher 1 to 8, 17 to 24, ..., 177 to 184 within the head block
24
Rear nozzle heater selection signal (1 to 8, 17 to 24, ..., 145 to 152)*
7 HSEL2B OUT
Lower 9 to 16, 25 to 32, ..., 185 to 192 within the head block
23
Front nozzle heater selection signal (9 to 16, 25 to 32, ..., 153 to 160)*
8 HSEL2A OUT
Lower 9 to 16, 25 to 32, ..., 185 to 192 within the head block
22
Rear nozzle heater selection signal (9 to 16, 25 to 32, ..., 153 to 160)*
9 ODD OUT
Heater selection signal for odd nozzle within the head block
21
10 ... ... GND 20
11 HALT OUT Timing signal that latches serial data 19
12 ... ... GND 18
13 BENB0 ** OUT
Signal to generate output signal for heater enable decoder 1
7
14 EVEN OUT
Heater selection signal for even nozzle within the head block
16
15 HENB0 OUT
Rear heater drive signal for 1 to 168 (1 to 112)* nozzles within the head
15
16 BENB1 ** OUT
Signal to generate output signal for heater enable decoder
14
17 HENB2 OUT
Rear heater drive signal for 169 to 192 (113 to 160)* nozzles within the head
13
18 HENB1 OUT
Front heater drive signal for 1 to 168 (1 to 112)* nozzles within the head
12
19 DIR OUT Control signal for serial data input/output direction 11
20 HENB3 OUT
Front heater drive signal for 169 to 192 (113 to 160)* nozzles within the head
10
21 ... ... GND 9
22 HRESET OUT Reset signal 8
23 DIA OUT Head temperature sensor (diode) anode 7
24 DIK IN Head temperature sensor (diode) cathode 6
25~27 ... ... GND 3~5
28 HPA OUT Home position sensor signal pull-up voltage 2
29 HPC IN Home position sense signal 1
* : The applicable nozzle varies when using the Black BJ cartridge. Indicated in the ( ).
** : Details of BENB0 and BENB1.
CN301 Signal IN/OUT Function CN1
Pin No. Name Pin No.
1~12 HVH OUT Head heater drive voltage VH 18~29
13~15 SUBH0 OUT Sub heater drive voltage 15~17
16~27 ... ... GND 3~14
28, 29 HVDD OUT Head's logic voltage 1, 2
BENB0 BENB1 Applicable nozzle
Low Low 1, 2, 9, 10, ..., 153, 154, ..., 186, 187 (1+8n, 2+8n : n=0~23)
High Low 3, 4, 11, 12, ..., 155, 156, ..., 187, 188 (3+8n, 4+8n : n=0~23)
Low High 5, 6, 13, 14, ..., 157, 158, ..., 189, 190 (5+8n, 6+8n : n=0~23)
High High 7, 8, 15, 16, ..., 159, 160, ..., 191, 192 (7+8n, 8+8n : n=0~23)