Canon BJC 50 - Color Inkjet Printer Service Manual page 113

BJC-50
Pin No. Signal name
1 VHG (LAMPG)
2 VHG (LAMPG)
3 MCH0 (N.C.)
4 MCH1 (N.C.)
5 HVH (VLAMP)
6 HVH (VLAMP)
7 WHT (N.C.)
8 N.C. (N.C.)
9 TOP (TOPS)
10 DIA (C.CHA)
11 ID0 (ID0)
12 ID1 (ID1)
13 HCONT
(INKS2)
14 HVSS (VSS)
15 HENBD (N.C.)
16 EVEN ENB (N.C.)
17 HENBA (N.C.)
18 HENBC (N.C.)
19 ODD ENB (REN)
20 BENB0 (RWR)
21 BENB1 (RDT)
22 BENB2 (N.C.)
23 HVDD (VDD)
24 HCLOCK (DTCK)
25 HLATCH (LNST)
26 HRES (SRES)
27 HENBB (N.C.)
28 HDATA (DT)
29 DIK (C.CHK)
TABLE 4-2 SIGNAL CONTACT PART
IN/OUT Description / (scanner cartridge in use)
... GND for head drive voltage VH (GND for scanner drive
voltage 24V)
... GND for head drive voltage VH (GND for scanner drive
voltage 24V)
IN Drive signal for temperature control heater (Unused)
IN Drive signal for temperature control heater (Unused)
OUT Head drive voltage (Scanner drive voltage)
OUT Head drive voltage (Scanner drive voltage)
OUT Drive signal for subheater (Unused)
... Unused (Unused)
IN Detection signal for rank resistance (Scanner cartridge
recognition signal)
IN Head temperature sensor (diode) anode (Scanner
cartridge recognition signal)
IN BJ cartridge (black/color) detection signal (Scanner
monochrome/color detection signal)
IN BJ cartridge (black/color) detection signal (Scanner
monochrome/color detection signal)
IN BJ cartridge (BC-11/BC-11e) detection signal (IS-
11/IS-12 detection signal)
... GND for head's logic drive voltage (GND for scanner's
PCB drive voltage)
OUT Head's heater drive signal (Unused)
OUT Even nozzle heater drive signal (Unused)
OUT Head's heater drive signal (Unused)
OUT Head's heater drive signal (Unused)
OUT Odd nozzle heater drive signal (Scanner's register
setting signal)
OUT Block enable decoder generation signal (Scanner's
clock signal for serial data transfer to register)
OUT Block enable decoder generation signal (Scanner's
serial data signal)
OUT Block enable decoder generation signal (Unused)
OUT Head's logic drive voltage +5V (Scanner's PCB drive
voltage +5V)
OUT Clock signal for print data transfer (Clock signal for
scanning data input)
OUT Timing signal to latch print data (Timing signal to start
scanning)
OUT Latch reset signal (Scanning operation reset signal)
OUT Head's heater drive signal (Unused)
OUT Print data (Scanning data)
IN Head temperature sensor (diode) cathode (Scanner
cartridge recognition signal)
4-25
Part 4: Technical Reference