Supplement
1. Electrical Schematic Diagram
(1) Schematic Diagram
(2) Main CPU PCB
(3) Control Panel PCB
(4) Low Voltage Power Supply PCB
2. Description of circuit
(1) Paper feed unit
(2) Fuser temperature coutrol circuit
(3) Fuser abnormal detecting circuit
(4) Copy density sensor
(5) Waste toner bottle sensor
(6) Toner density sensor
(7) Hopper unit
(8) Recycle solenoid
(9) Automatic Duplex Unit