Engine Pcb - Brother HL-6050 Service Manual

CHAPTER 3 THEORY OF OPERATION
1.4

Engine PCB

The gate array which transforms the serial signal from the main PCB into the parallel signal is
mounted on the engine PCB.
The engine PCB controls the following parts by using the transferred signal data;
Main motor
•
Fan motor
•
Plate motor
•
Thermistor
•
Polygon motor
•
High-voltage power supply
•
Toner sensor
•
Heater control
•
Lower tray plate sensor
•
For the circuit diagram of the engine PCB, see
CIRCUIT DIAGRAM'
Sensor configuration varies according to machine types.
DX-SENSOR
DX-SOLENOID
Solenoid
•
Clutch
•
Upper tray sensor and paper size sensor
•
Lower tray sensor and paper size sensor
•
Lower paper PE sensor
•
Lower paper exit sensor
•
Paper eject sensor (Fixing unit cover
•
sensor)
Release sensor
•
in this manual.
HL-6050
3-14
APPENDIX 11. and 12. 'ENGINE PCB
HL-6050D/DN
: Built-in : Not built-in