Signal Contacts - Canon QY8-1360-000 Service Manual

Part 4: Technical Reference

3.2.4 Signal contacts

The signal contacts on the flexible cable are in contact with the signal contacts on the
carriage, and are used to input and output print signals and sensor signals between
the printer and BJ print head (heater board).
BC-60
1 2 N.C.
4 3 5
7 , 8 9 6
11 10 12
14 15 13
17 16 18
2021 22 19 ,
24 23 25
27 26 N.C.
Black Head
Contacts
Table 4-4 shows the signals input and output by each print head.
Pin No. BJ print head*
1 ALL
2 OM
BK
PH
CL
3 OM
BK
PH
CL
4 OM
BK
PH
CL
5 OM
BK
PH
CL
6 ALL
N.C. 26 27 1 2 N.C.
25 23 24 4 3 5
19 22 2021 , 7 , 8 9 6
18 16 17 11 10 12
13 15 14 14 15 13
12 10 11 17 16 18
6 9 7 , 8 2021 22 19 ,
5 3 4 24 23 25
N.C. 2 1 27 26 N.C.
Ink Optimizer Color Head
Head Contacts Contacts
Figure 4-20 Signal Contacts
TABLE 4-3 BJ HEAD INPUT AND OUTPUT SIGNALS
Signal
VH
TSAOM
TSABK
TSAPH
TSACL
ID2OM
ID2BK
ID2PH/ELYPH
ID2CL/ELCCL
SUBHOM
SUBHBK
SUBHPH
SUBHCL
ID1OM
ID1BK
ID1PH/ELMPH
ID1CL/ELMCL
VDDH
BC-62e Photo
N.C. 26 27
25 23 24
19 22 2021 ,
18 16 17
13 15 14
12 10 11
6 9 7 8 ,
5 3 4
N.C. 2 1
Photo Head
Contacts
IN/OUT
IN Head drive voltage (20.0VDC ±0.3V)
IN Temperature sensor (diode) drive voltage
IN
IN
IN
OUT Index 2 detection
OUT Index 2 detection
OUT/IN Index 2 detection/yellow ink-out
detection pulse
OUT/IN Index 2 detection/cyan ink-out detection
pulse
IN Heater drive
IN
IN
IN
OUT Index 1 detection
OUT Index 1 detection
OUT/IN Index 1 detection/magenta ink-out
detection pulse
OUT/IN Index 1 detection/magenta ink-out
detection pulse
IN Head logic drive voltage
4-22
BJC-7100
Direction of paper feed
BC-61
1 2 N.C.
4 3 5
7 , 8 9 6
11 10 12
14 15 13
17 16 18
2021 22 19 ,
24 23 25
27 26 N.C.
Color Head
Contacts
Function