Main Controller; Overview - Canon imageRUNNER ADVANCE 4551i Service Manual

Main Controller

Overview

■ Configuration/Function
Item
Main Controller PCB
RAM
USB port
Hard disk
Flash PCB
TPM PCB
System Control/Memory Control/Printer Output Image Processing Control,Reader Image Input Pro-
cessing, Card Reader Connection I/F, Fax ImageProcessing, USB Extension HUB Connection I/F,
RTC
Temporarily storage of image data:Capacity of 2 GB (for controller control) + 1 GB (for image pro-
cessing)
USB2.0 Device I/F, USB3.0 Host I/F
2.5-inch SATA I/F Standard: 250 GB (250 GB usable area), address list,security information (pass-
word, certificate), image data, preferences
Storage of system software: 2 GB
Generation and storage of the encryption key.
(Only when Management Settings > Data Management > TPM Settings is"On". Default: Off)
Function
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2. Technology