Brother International HL 1850 Service Manual - Page 93

HL-1850/1870N SERVICE MANUAL Network Board (HL-1670N) Panel PCB Laser Unit H Laser Polygon Motor Main PCB Low-Voltage Power Supply PCB Fixing Unit Halogen Lamp LT Front Connector LT PCB (Option) LT Solenoid LT Paper Registration Sensor LT Paper Empty Sensor Engine PCB Front Registration Sensor Rear Registration Sensor Main Motor DX Sensor PCB DX Tray Sensor DX Paper Size Sensor Casette Sensor PCB Casette Sensor Paper Empty Sensor HighVoltage Power Supply PCB FAN Relay PCB SOL Relay PCB Thermister Relay PCB Jam Clear Cover Sensor Drum Unit Primary Charger (Corona Wire) Primary Charger (Grid) Development Roller Supply Roller Transfer Roller Paper Dust Cleaner 60 mm sq Fan Motor A 60 mm sq Fan Motor 80 mm sq Fan Motor Toner Sensor PCB (Light reception) Rear Cover Sensor Panel Back Light PCB DX Solenoid MP Solenoid Casette Solenoid Registration Solenoid Toner Sensor PCB (Light emission) Thermister (For Heat Roller) Paper Eject Sensor Fig. 3-19 3-19