Canon Color Bubble Jet BJC-8200, Service Manual

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JCRB2 and JCRB3 (Carriage ribbon cable connector)
Pin No. Signal IN/OUT Function
1-10 VH +11V power supply
11-20 GND VH GND
JHD1 (BJ cartridge cable connector)
Pin No. Signal IN/OUT Function
1 HEMLC OUT Heat signal for MLC
2 DATAML IN/OUT Data signal for ML/Scan-in data bus 2 during
scanning
3 DATAC IN/OUT Data signal for C/Scan-in data bus 3 during scanning
4 BG OUT Data latch signal/Scan-in data read trigger during
scanning
5 TOMY IN Digital temperature signal for MY
6 DATAY IN/OUT Data signal for Y/Scan-in data bus 5 during scanning
7 SOMLC IN Status output signal for MLC
8 DATAML IN/OUT Data signal for ML/Scan-in data bus 2 during
scanning
9 BE2 IN/OUT Block enable 2/Register enable signal output during
scanning
10 HEMY OUT Heat signal for MY
11 SOMY IN Status output signal for MY
12 TOMLC IN Digital temperature signal for MLC/Scan-in data bus
7 during scanning
13-28 GND VH GND
29 DHE OUT Dummy heat enable signal
30 EEPWD OUT Head EEPROM write data
31 EEPRD IN Head EEPROM read data
32-36 HVDD 5V to drive head logic
JHD2 (BJ cartridge cable connector)
Pin No. Signal IN/OUT Function
1 DATACL IN/OUT Data signal for CL/Scan-in data bus 1 during scanning
2 EEPSK OUT Head EEPROM transfer clock
3 SOKCL IN Status output signal for KCL
4 CSCR OUT Head EEPROM chip select
5-23 VH IN +11V
24 TOKCL IN Digital temperature signal for KCL/Scan-in data bus 6
during scanning
25 DATAK IN/OUT Data signal for K/Scan-in data bas 0 during scanning
26 BE0 IN/OUT Block enable 0/Resume signal output during scanning
27 BE3 IN/OUT Block enable 3/Register write data signal output
during scanning
28 HEKCL OUT Heat signal for KCL
29 BE1 IN/OUT Block enable 1/Register write clock signal output
during scanning
30 HEAD SEN IN Head-detection signal
31 HCLK IN/OUT Transfer clock signal/Transfer clock signal during scanning
32-36 HVDD Logic GND
Part 5: REFERENCE BJC-8200
5-12