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 31 page image

3 - 32. Connector Locations and Pin Layout2.1 i550 Connector Location and Pin Layout2.1.1 Logic boardFigure 3-1 Logic BoardCN201 (Carriage ribbon cable connector)Pin No. Signal Name Function12345 - 6789 - 1213 - 1617 - 2122 - 25DIODE_GNDDIA1DIK0THERMOHVDDHVSSHVHHVHHVHH_GNDH_GNDBK/COL diode sensor cathodeCOL diode sensor anodeBK diode sensor anodeThermistor signal3.3V head logic power supplyLogic GNDHead gate power supply19V head (BK) power supply19V head (COL) power supplyHead (COL) GNDHead (BK) GNDCN202 (Carriage ribbon cable connector)Pin No. Signal Name Function123, 5, 9, 18, 22, 24467810111213141516171920212325VSEN_3.3VCR_ENC0L_GNDCR_ENC1H_ENB0H_ENB1H_ENB2H_D0H_D1H_D2H_D3H_D4H_D5H_D6H_D7H_EEPROM_DIOH_EEPROM_SKH_EEPROM_CSH_CLKH_LATCH3.3 V power supply for encoderEncoder signal phase ALogic GNDEncoder signal phase BBK heat enableCOL heat enableCOL heat enableBK dataBK dataC dataC dataM dataM dataY dataY dataHead EEPROM dataHead EEPROM clockHead EEPROM chip selectHead data transfer clockHead data latch signalCN507CN504 CN301CN501CN302CN506CN505CN502CN503CN201CN408CN202