Canon imagePRESS C1 Service Manual - page 249
Chapter 4
4-1
4.1 Construction
4.1.1 Configuration and Functions
0013-0326
imagePRESS C1 P / imagePRESS C1
The Main Controller primarily has the following configuration and functions.
T-4-1
PC Board Name
Function
[1] Main Controller Circuit Board (MAIN)
System control, memory control, and printer output image processing control
[2] Panel I/F Circuit Board
Operation panel interface control
[3] Main Controller Circuit Board (SUB R-A)
Color space conversion, rotation for electronic sorting, binarization, resolution
conversion
[4] Main Controller Circuit Board (SUB PF-A, DE-A)
Image processing for printer output (color space compression, under color removal, log
conversion, direct mapping, color balance, fine zoom adjustment, gradation conversion,
screen processing, trimming, add-on)
[5] Relay Circuit Board (Gu-short)
Bus connections (when EFI controller is not connected)
Main Controller Circuit Board (SUB O-B)
EFI controller connection
[6] Main Controller Circuit Board (SUB S-B, ZJ-A)
Scanner interface, scanner image processing (resolution conversion, image rotation,
compression/decompression)
[7] Main Controller Circuit Board (SUB LAN-bar-A)
LAN connection, HDD controller, HDD power supply
[8] BOOT ROM
ROM memory storing the boot program
[9] SRAM Circuit Board
SRAM mounting
[10] DDR-SDRAM
Program-related data save, image data save
[11] LIPS LX Printer & Scanner Kit Circuit Board (RB-A)
LIPS LX Printer & Scanner Kit features add-on (optional)
HDD HDD
System software storage, image data storage, image data save for BOX/FAX function