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Printer Electrical System; Outline; Overview - Canon W6400 Series Service Manual

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2.4 Printer Electrical System

2.4.1 Outline

2.4.1.1 Overview

The printer electrical system consists of the system controller, engine controller, and power supply, all of which are mounted at the rear of the printer; the
carriage relay PCBs, head relay PCBs, and printhead, which are located in the carriage unit; the operation panel on the upper right cover; and other electrical
components, such as the sensors and motors.
The system controller manages image data, and the engine controller manages all electrical components. The other relay PCBs and drivers control the
various functions under the management of the engine controller.
System controller
Ink tank unit
Carriage motor
Host computer
Operation panel
Operation panel
Interface control
control function
function
Image data control function and RGB
multi-data 6-color binary conversion
Image data control function
- Mask conversion
- Differential conversion
Remaining ink level
Ink tank
detection function
Purge unit
Valve motor
Fans
Solenoids
Engine controller
Carriage unit
Printhead
Head relay PCB
Temperature reading
control function
DI sensor reading
control function
Ink tube unit
Head relay PCB
Image data demodulation
function
Printhead driving power
supply generation function
Sensor detection
function
Motor control
function
Fan control function
Solenoid control function
Power supply
+3.3 V generation
function
+5.1 V generation
function
+26.5 V generation
function
F-2-28
Sensors
Sensors
Feed
motor
AC inlet
Optional connector
assembly
Chapter 2
0008-6352
2-25

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