Compressio/ Extesion/ Editing Block - Canon iR2020 Series Service Manual

Chapter 3

3.3.4 Compressio/ Extesion/ Editing Block

iR2016 / iR2020 / iR2016i / iR2020i
Here, image data is processed for compression, extension, and editing.

3.3.5 Compressio/ Extesion/ Editing Block

iR2016J /
Here, image data is processed for compression, extension, and editing.
3-4
Reader unit
Enlargement/reduction
Edge emphasis
-intensify-to-density conversion
-density adjustment (F adjustment)
-gamma correction
Binary processing (error diffusion)
To compression/expansion/editing block
F-3-5
Image processor PCB
Reader image
processing block
Enlargement/
Compression
reduction
Expansion
Rotation
Integration
to printer unit output image processing block
F-3-6
Image processor PCB
PDL image
processing block
SDRAM
0010-8685
0010-8691