Canon imageRUNNER ADVANCE C5255 Series Service Manual page 44

2
Technology > Controller System > Overview > Specifications / configuration
Parts name Function, specifications, features
Main controller CPU: 1.2GHz, Control of the entire system
PCB 1 Various controls (memory, control panel, electric power, voice), I/Fs (PCI, USB
(host), RTC
Flash PCB Boot program
TPM PCB To generate and save encryption key
Available only when TPM settings is ON: Management Settings > Data
Management > TPM Settings (default: OFF)
Not available with China models
Main controller CPU: 400 MHz, Image control
PCB 2 Various image processing (color space conversion, enlarge, reduction,
rotation, composition, compression, rasterizing, resolution conversion, image
binarization), delay memory control between drums, HDD control, I/Fs (reader,
FAX, USB (device))
Image Processing Image processing
Sub PCB
Bypass PCB Internal bus connection
Remove this PCB when using ColorPASS-GX300 (server type) or
imagePASS-B2 (to be attached to the main unit) and install the open I/F PCB.
Riser PCB I/F (main controller 1 - 2, main controller - HDD, main controller - DC controller)
HDD 2.5 inch SATA I/F Standard: 160 GB (80G usable area)
Up to 2 HDDs can be mounted in the case of mirroring configuration.
BOX data, Address book, security information (password, certificate)
Op.: 2.5 inch / 160GB HDD-C1, 2.5 inch / 1 TB HDD-D1
2 Technology > Controller System > Overview > Specifications / configuration
● Memory
Main controller PCB 1
T-2-3
Parts name
SDRAM 1GB (standard)
Clock frequency: 333 MHz
Used for saving image, program data
Lithium battery (BAT1)) For RTC
Life: approx. 10 years
SDRAM
BAT
Function, specifications, features
2-6
F-2-9
T-2-4
2-6