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 35 page image

3 - 72.1.3 Print headFigure 3-3 Print HeadPin No. Signal Name Function1 ,2345, 14, 226, 7, 8910111213151617181920212324252627, 352829303132, 4033, 3436373839A_GNDH_D2H_D6B_GNDDIK0SUBH0H_D4H_ENB1N.CH_D5DIK1H_D0H_ENB0N.CH_LATCHSUBH0H_D7H_ENB2H_D1DIA0HVDDH_EEPROM_CSH_CLKE_D0H_D3B_VHA_VHH_EEPROM_SKE_DIDIA1VHTGND (black heater drive voltage)Cyan even column nozzle data signalYellow even column nozzle data signalGND (color heater drive voltage)Head temperature sensor (diode) cathode side (black)Black sub heater drive signalMagenta even column nozzle data signalColor nozzle heat enable signal (even/odd column odd no. block)Magenta odd column nozzle data signalHead temperature sensor (diode) cathode side (color)Black even column nozzle data signalBlack nozzle heat enable signalData latch enable signalColor sub heater drive signalYellow odd column nozzle data signalColor nozzle heat enable signal (even/odd column even no. block)Black odd column data signalBlackLogic power supplyHead internal EEPROM chip select signalClock signalHead internal EEPROM output data signalCyan odd column nozzle data signalColor heater drive voltageBlack heater drive voltageHead internal EEPROM serial data clock signalHead internal EEPROM input data signalHead temperature sensor (diode) anode side (color)Head internal power transistor drive power40 338 1