Canon imageCLASS MF269dw Service Manual page 41

In addition, the DC Controller controls the voltage generated by high voltage power supply to form the toner image on the
Photosensitive Drum, and transfers and fixes this to the paper.
AC input
Transfer roller
Cartridge
SADF/DADF
Reader
Control panel
J303
No.
J303 Transfer High Voltage
J311 Pre-exposure LED
J511 Low Voltage Power Supply PCB
J512 Low Voltage Power Supply PCB
J531 Main Controller PCB
J536 Power SW and Power Supply Led
J541 Laser Scanner Unit
Low-voltage
power supply
Fixing unit
High-voltage
power supply
Main controller PCB
Destination / Role
Engine controller PCB
DC controller
SW501
J512
J511
J536
J311
J582
No.
J551 Motor PCB
J561 TOP Sensor PCB
J563 Environment/Pickup Sensor PCB
J581 Drum Cartridge Memory
J582 Toner Cartridge Memory
SW501 Toner Cover Switch
33
2. Technology
Motor
Fan
Solenoid
Sensor
Switch
Laser/scanner unit
LED
J551
J541
J531
J561
J581
J563
Destination / Role