Service manual

Chapter 3
3-4
F-3-5
3.3.3 Reader Unit Input Image Processing
0010-8684
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
The image data colleted by the contact image sensor is processed by the Image processor PCB.
F-3-6
3.3.4 Compressio/ Extesion/ Editing Block
0010-8685
iR2016 / iR2020 / iR2016i / iR2020i
Here, image data is processed for compression, extension, and editing.
SDRAM
Reader controller PCB
- image memory
- program (temporary storage)
Processes the image data
read by the reader unit.
Reader unit input image processing block
Processes image data for
output to the printer unit.
Printer unit output image
processing block
Image Processor PCB
DC controller PCB
Reader Unit
Binary processing (error diffusion)
To compression/expansion/editing block
Edge emphasis
Enlargement/reduction
-intensify-to-density conversion
-density adjustment (F adjustment)
-gamma correction
Image processor PCB
Reader unit