44 4-164-16Disassembly/Assembly > List of Connectors > Printer UnitDisassembly/Assembly > List of Connectors > Printer UnitPrinter Unit[2][15][17][19][12][13][11][14][10][20][16][18][4][1][5][3][6][7][9][8]KEY No. Jack No. Name Relay Connector KEY No. Jack No. Name[1] J101 Engine Controller PCB [11] J101 Fixing Film Unit[2] J542 Engine Controller PCB [12] J801 Laser Driver PCB[3] J551 Engine Controller PCB [13] J551 Paper Leading Edge Sensor[4] J552 Engine Controller PCB [14] J552 Fixing Delivery/Paper Width Sensor PCB[5] J562 Engine Controller PCB [15] J562 Pickup Solenoid[6] J571 Engine Controller PCB [16] J571 Motor Driver PCB[7] J901 Engine Controller PCB [17] - Toner Sensor[8] J101 Motor Driver PCB [18] J1 Scanner Motor[9] J923 Motor Driver PCB [19] J923 Main Motor[10] J702 Fixing Delivery/Paper Width Sensor PCB [20] J702 Fixing Film UnitT-4-20