Service ManualY100250-46-16.ELECTRICAL INTERCONNECTIONS6.1 GENERAL PRINTER INTERCONNECTION DIAGRAMFRONTPHOTOSENSORSJ5OPTIONSINTERFACEPAPER FEEDMOTORRS 232 SERIALINTERFACEJ2J4J11J9J18J14J1CONSOLEJ3TRANSPORTMOTORJ15J16PRINTHEAD ANDPAPERPHOTOSENSOROPTIONSINTERFACEJ12J1ROLLER MOTORCARRIAGE RESETPHOTOSENSORBAPR2EMAINBOARDJ10ALIPR2ECARDTO LINE VOLTAGETRANSFORMERMAGNETICOPTIONSCARD