Canon i550 Service Manual

Also see for i550: Quick start guide Setup instructions Quick start guide Specifications Parts catalog

Contents

Canon i550 Service Manual Manual pdf 36 page image

3 - 82.2 i850 Connector Location and Pin Layout2.2.1 Logic boardFigure 3-4 Logic BoardCN201 (Carriage ribbon cable connector)Pin No. Signal Name Function1 - 1011 - 1314, 19, 2015161718VHHVDDGNDH_ENB3H_ENB0H_ENB1H_ENB224V head power supply3.3V head power supplyLogic GNDHeat enable 3Heat enable 0Heat enable 1Heat enable 2CN202 (Carriage ribbon cable connector)Pin No. Signal Name Function12, 4, 9, 1135,6781012 - 20DIA0GNDTHERMOVSEN_3.3VCR_ENCACR_ENCBSNS_CDR_PH_GNDDiode sensor anodeLogic GNDThermistor3.3V sensor power supplyEncoder signal phase AEncoder signal phase BCDR sensor signalHead GNDCN203 (Carriage ribbon cable connector)Pin No. Signal Name Function1 - 89 - 1213141516, 19171820H_D0 - D7H_DS0 - DS3H_EEPROM_DIOH_EEPROM_SKH_EEPROM_CSGNDH_CLKH_LATCH1DIA1Heat dataHeat dataEEPROM dataEEPROM clockEEPROM chip selectLogic groundHead transfer clockLatch signalDiode sensor anodeCN304 (Parallel interface connector)See page 3-4 (CN302 Parallel Interface connector)CN305 (USB interface connector)See page 3-4 (CN301 USB Interface connector)CN305CN508 CN503CN304CN501CN505CN421CN506CN402 CN502%0%0%0