Lexmark 1020 - Manual (Page 48)

5-2
4078-00X
Connector Connector Names
CN1 Printhead Cable 1
CN2 Printhead Cable 2
CN4 Carrier Transport Motor
CN5 Home Position Sensor
CN6 Paper Feed Motor
CN7 Power Supply
CN8 Parallel Port
SW1 Power Switch
SW2 Paper Feed Switch
SW3 Install Print Cartridge Switch
LED1 Busy Light
LED2 Power on Light