![Canon IR5000 - iR B/W Laser Service Manual Download Page 54](http://html.mh-extra.com/html/canon/ir5000-ir-b-w-laser/ir5000-ir-b-w-laser_service-manual_59665054.webp)
COPYRIGHT © 2000 CANON INC.
2000 2000 2000 2000
CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 2 MAIN CONTROLLER
2-8 S
2. Digital Image Processing
2.1 Outline
The machine’s digital image processing and control of the image memory is performed by
the main controller PCB. The following is a block diagram showing digital image process-
ing:
F02-201-01
8
Reader unit
Image data
after shading
Editing
Density conversion
(LUT)
Binary processing
(error division; text,
text/photo, print photo)
Image memory
control
Binary processing
(dither screen; print photo)
8
Density correction
(
¡
conversion)
8
8
8
Edge emphasis
1
Compression/
decompression,
rotation, enlargement/
reduction
SDRAM
I/O control
HDD
Image server
4 or 2
Thickening
4 or 2
1
Smoothing
1
Binary-binary density conversion
Printer unit
Print PG
1
8
8
Enlargement/reduction
(main scanning direction)
Density adjustment
(F-value conversion)
Luminance/density
conversion (LOG conversion)
Reader PG
Download Free Service Manual at http://printer1.blogspot.com
Summary of Contents for IR5000 - iR B/W Laser
Page 10: ...Download Free Service Manual at http printer1 blogspot com ...
Page 14: ...Download Free Service Manual at http printer1 blogspot com ...
Page 46: ...Download Free Service Manual at http printer1 blogspot com ...
Page 64: ...Download Free Service Manual at http printer1 blogspot com ...
Page 92: ...Download Free Service Manual at http printer1 blogspot com ...
Page 94: ...Download Free Service Manual at http printer1 blogspot com ...
Page 98: ...Download Free Service Manual at http printer1 blogspot com ...
Page 106: ...Download Free Service Manual at http printer1 blogspot com ...
Page 136: ...Download Free Service Manual at http printer1 blogspot com ...
Page 138: ...Download Free Service Manual at http printer1 blogspot com ...
Page 154: ...Download Free Service Manual at http printer1 blogspot com ...
Page 166: ...Download Free Service Manual at http printer1 blogspot com ...
Page 176: ...Download Free Service Manual at http printer1 blogspot com ...
Page 198: ...Download Free Service Manual at http printer1 blogspot com ...
Page 213: ...Download Free Service Manual at http printer1 blogspot com ...
Page 299: ...Download Free Service Manual at http printer1 blogspot com ...
Page 379: ...Download Free Service Manual at http printer1 blogspot com ...
Page 381: ...Download Free Service Manual at http printer1 blogspot com ...
Page 425: ...Download Free Service Manual at http printer1 blogspot com ...
Page 473: ...Download Free Service Manual at http printer1 blogspot com ...
Page 475: ...Download Free Service Manual at http printer1 blogspot com ...
Page 521: ...Download Free Service Manual at http printer1 blogspot com ...
Page 535: ...Download Free Service Manual at http printer1 blogspot com ...
Page 543: ...Download Free Service Manual at http printer1 blogspot com ...
Page 557: ...Download Free Service Manual at http printer1 blogspot com ...
Page 559: ...Download Free Service Manual at http printer1 blogspot com ...
Page 565: ...Download Free Service Manual at http printer1 blogspot com ...
Page 613: ...Download Free Service Manual at http printer1 blogspot com ...
Page 616: ...Download Free Service Manual at http printer1 blogspot com ...
Page 691: ...Download Free Service Manual at http printer1 blogspot com ...
Page 693: ...Download Free Service Manual at http printer1 blogspot com ...
Page 797: ...Download Free Service Manual at http printer1 blogspot com ...
Page 819: ...Download Free Service Manual at http printer1 blogspot com ...
Page 821: ...Download Free Service Manual at http printer1 blogspot com ...
Page 831: ......
Page 837: ......