Controller System; Overview - Canon imageRUNNER ADVANCE C255 Series Service Manual

Controller System

Overview

■ Configuration/Function
TPM PCB
Item
Main Controller PCB System Control/Memory Control/Printer Output Image Processing Control, Reader Image Input Processing,
Card Reader Connection I/F, Fax Image Processing, USB Extension HUB Connection I/F
RAM
USB port
HDD 2.5 inch SATA I/F Standard: 250 GB
Address book, security information (passwords, certificates), image data, preference
Flash PCB Storage of system software: 4 GB
TPM PCB This PCB generates and stores encryption keys.
Management Settings > Data Management > TPM Settings; this function is enabled when the TPM setting
is set "On" (default: Off)
Main Controller PCB
HDD
Flash PCB
Temporarily storage of image data: Capacity of 2 GB (for controller control) + 1 GB (for image process-
ing)
USB2.0 Device I/F, USB3.0 Host I/F
Function
39
2. Technology