Canon imageRUNNER ADVANCE C5255, Service Manual, Page: 50 / 1443

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Technology > Controller System > Controls > Flow of Image Data
Technology > Controller System > Controls > Flow of Image Data
Controls
■ Flow of Image Data
● Copy
Main Controller
PCB 1
Main Controller
PCB 2
Riser PCB
Reader
Image processing
Resolution conversion,
Image rotation,
JPEG compression/extension
Image data buffer
(memory)
HDD
Print type image
processing
Extension processing
Tile raster conversion
I/F
To DC Controller
HDD
writing/reading
●
Print
Main Controller
PCB 1
Main Controller
PCB 2
Riser PCB
Network
Image data buffer
(memory)
HDD
HDD
writing/reading
LAN
Controller
Rendering I/F
To DC Controller
F-2-17
F-2-18
● SEND
Main Controller
PCB 1
Main Controller
PCB 2
Riser PCB
HDD
Reader
Image processing
Resolution conversion,
Image rotation,
JPEG compression/extension
Image data buffer
(memory)
Data conversion
Tile raster conversion
JPEG encode
HDD
writing/reading
Network
LAN
Controller
● Box
Main Controller
PCB 1
Main Controller
PCB 2
Riser PCB
FAX
Image data buffer
(memory)
HDD
Image processing
Color space conversion,
Image 2 level cell,
Image multi level cell,
Image composition,
Resolution conversion,
Image rotation,
Pixel skipping with 7x7 filter
I/F
To DC Controller
HDD
writing/reading
Print type image
processing
Extension processing
Tile raster conversion
F-2-19
F-2-20