Main Controller; Overview; Configuration/Function - Canon imageRUNNER 1750 Series Service Manual

2
Technical Explanation > Main Controller > Overview > Configuration/Function

Main Controller

Overview

■ Configuration/Function

SO-DIMM
Main Controller PCB
Secondary Battery
Item
Main Controller PCB System Control/Memory Control/Printer Output Image
Processing Control, Reader Image Input Processing, Card
Reader Connection I/F, Image Processing for FAX, USB
Expansion HUB Connection I/F
Image memory (SO-DIMM) Temporarily saving image data
Capacity 256MB (Max. 512MB)
For FAX or SEND-equipped model; standard: 512MB
Flash ROM Storing System Software
Boot ROM: 16MB
Program ROM: 128MB
SRAM Keeping user data/service data information
USB port
USB2.0 Device I/F, USB2.0 Host I/F
Ethernet port Ethernet I/F
SD Card slot SD I/F
Secondary Battery Models with FAX or SEND function only
Secondary Battery for image backup at power failure (to backup
for 1 hour by 2-hour charging)
2 Technical Explanation > Main Controller > Overview > Configuration/Function
F-2-44
Function
T-2-15
● Main controller PCB
J8202 J8115
J8106
J8114
BAT1
J8102
SW3
J8124
J8134
J8142
J8143 J8112
Jack Function Jack
J8104 USB port J8134 Connector to connect to FAX
J8106 Slot to connect to SO-DIMM J8142 Connector to connect to Laser Scanner
J8109 For debug J8143 Connector to connect to Laser Scanner
J8111 Connector to connect to LAN J8150 USB port
Connector to connect to DC
J8112 J8200 Connector to connect to FAX
Controller PCB
Connector to connect to Control
J8114 J8201 Connector to connect to FAX
Panel
Connector to connect to Control
J8117 J8202 Connector to connect to Reader
Card
Connector to connect to Card
J8119 BAT1
Reader
Connector to connect to Control
J8124 SW3
Panel
Connector to connect to Control
J8125
Card
J8109
J8111
J8200 J8201
J8104
J8150
J8117
J8125 J8116 J8119
F-2-45
Function
Lithium Battery for RTC
Life: approx. 10 years
Replacement of a single battery is not available
in the service field.
Switch to shut power supply when replacing
SO-DIMM
2-27
T-2-16
2-27