Engine Controller Pcb - Canon imageCLASS MF269dw Service Manual

FAX interface
NCU PCB
J7
J10
No.
J1 Multi-purpose Tray Sensor
J3 Not used
J4

Engine Controller PCB

J5 * Wireless Lan PCB
J7 USB
J8 Control Panel PCB
J9 Low Voltage Power Supply PCB
*: May not be installed according to the specification of applicable model.
Engine Controller PCB
The Engine Controller PCB is a circuit to control the operation sequences of this machine, and controlled by DC Controller and
High Voltage Power Supply in the Engine Controller PCB.
When the DC power is supplied through the low voltage power supply, the DC Controller starts to control the printer operation.
Then the DC Controller drives loads such as laser, motors, solenoids etc. according to the image data that is input by the main
controller when status becomes stand-by mode.
External device
USB interface
DRAM
Main controller PCB
J8
Destination / Role
Network Interface
CPU
FLASH
MEMORY
Engine controller PCB
J14 J13 J12
J3
J18
No.
J10 * LAN Cable
J11 Reader Motor
J12 * ADF Document Sensor/ADF Document End Sen-
sor
J13 * ADF Solenoid
J14 Contact Image Sensor
J16 * ADF Motor
J18 * NCU PCB
32
Wireless Lan PCB
WIFI interface
Video interface
J11 J16
J5
J9
J4
J1
Destination / Role
2. Technology