Compression/ Extension/ Editing Block; Printer Unit Output Image Processing - Canon iR5055 Series Service Manual

Chapter 4

4.5.4 Compression/ Extension/ Editing Block

iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
Here, image data is processed for compression, extension, and editing.
Main controller PCB
Printer unit image
processing block
Enlargement/
reduction
Rotation
Integration
to printer unit output image processing block
F-4-13

4.5.5 Printer unit Output Image Processing

iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
The main controller processes the image data coming from the printer unit for output to the printer unit.
4-8
-intensify-to-density conversion
-density adjustment (F adjustment)
-gamma correction
Text mode
Text/photo/film photo mode
Binary processing (error diffusion)
To compression/expansion/editing block
PDPDL image
processing block
Compression
Expansion
Reader unit
Main controller PCB
Enlargement/reduction
Edge emphasis
Film photo mode
Binary processing (screen processing)
F-4-12
SDRAM
HDD
0015-4365
0015-4366