Canon BJC-55 Service Bulletin

Also see for BJC-55 Series: Service manual User manual Start here User manual Specification

4-25BJC-50Part 4: Technical ReferenceTABLE 4-2 SIGNAL CONTACT PARTPin No.1234567891011121314151617181920212223242526272829Signal nameVHG (LAMPG)VHG (LAMPG)MCH0 (N.C.)MCH1 (N.C.)HVH (VLAMP)HVH (VLAMP)WHT (N.C.)N.C. (N.C.)TOP (TOPS)DIA (C.CHA)ID0 (ID0)ID1 (ID1)HCONT(INKS2)HVSS (VSS)HENBD (N.C.)EVEN ENB (N.C.)HENBA (N.C.)HENBC (N.C.)ODD ENB (REN)BENB0 (RWR)BENB1 (RDT)BENB2 (N.C.)HVDD (VDD)HCLOCK (DTCK)HLATCH (LNST)HRES (SRES)HENBB (N.C.)HDATA (DT)DIK (C.CHK)IN/OUT......ININOUTOUTOUT...INININININ...OUTOUTOUTOUTOUTOUTOUTOUTOUTOUTOUTOUTOUTOUTINDescription / (scanner cartridge in use)GND for head drive voltage VH (GND for scanner drivevoltage 24V)GND for head drive voltage VH (GND for scanner drivevoltage 24V)Drive signal for temperature control heater (Unused)Drive signal for temperature control heater (Unused)Head drive voltage (Scanner drive voltage)Head drive voltage (Scanner drive voltage)Drive signal for subheater (Unused)Unused (Unused)Detection signal for rank resistance (Scanner cartridgerecognition signal)Head temperature sensor (diode) anode (Scannercartridge recognition signal)BJ cartridge (black/color) detection signal (Scannermonochrome/color detection signal)BJ cartridge (black/color) detection signal (Scannermonochrome/color detection signal)BJ cartridge (BC-11/BC-11e) detection signal (IS-11/IS-12 detection signal)GND for head's logic drive voltage (GND for scanner'sPCB drive voltage)Head's heater drive signal (Unused)Even nozzle heater drive signal (Unused)Head's heater drive signal (Unused)Head's heater drive signal (Unused)Odd nozzle heater drive signal (Scanner's registersetting signal)Block enable decoder generation signal (Scanner'sclock signal for serial data transfer to register)Block enable decoder generation signal (Scanner'sserial data signal)Block enable decoder generation signal (Unused)Head's logic drive voltage +5V (Scanner's PCB drivevoltage +5V)Clock signal for print data transfer (Clock signal forscanning data input)Timing signal to latch print data (Timing signal to startscanning)Latch reset signal (Scanning operation reset signal)Head's heater drive signal (Unused)Print data (Scanning data)Head temperature sensor (diode) cathode (Scannercartridge recognition signal)