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 32 page image

3 - 4CN301 (USB interface connector)Pin No. Signal Name Function1234USB_VBIUSB_DNUSB_DPGNDCable power supplyDifferential data signalDifferential data signalGNDCN302 (Parallel interface connector)Pin No. Compatible mode Nibble mode ECP mode12 - 910111213141516, 1718192021222324252627282930313233343536STROBEDATA1 - 8ACKNLGBUSYP.E.SELECTAUTO FEED XTN.CGND+5.0VSTROBE-RET(GND)DATA1-RET(GND)DATA2-RET(GND)DATA3-RET(GND)DATA4-RET(GND)DATA5-RET(GND)DATA6-RET(GND)DATA7-RET(GND)DATA8-RET(GND)ACKNLG-RETBUSY-RETP.E.-RETINITERRORGNDN.C+5.0VSELECT INHOST CLKDATA1 - 8PRT CLKPRT BUSYACK DATA REQXFLAGHOST BUSYUndefinedGNDVCCSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDINITDATA AVAILUndefinedUndefinedUndefined1284 ACTIVEHOST CLKDATA1 - 8PRT CLKPRT BUSYACK DATA REQXFLAGHOST BUSYUndefinedGNDVCCSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDSIGNAL GNDINITDATA AVAILUndefinedUndefinedUndefined1284 ACTIVECN408 (ASF sensor connector)Pin No. Signal Name Function123VSEN_5VGNDSNS_ASFASF sensor power supplyGNDASF sensor output signalCN501 (DC power supply connector)Pin No. Signal Name Function12, 4356+5VGNDVHVMPowerControl5V power supplyGND19V power supply27V power supplyPower consumption control signal