Service manual

Chapter 3
3-1
3.1 Construction
3.1.1 Construction and Mechanisms
0010-7009
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
The machine's main controller block consists of the following and has the following functions:
T-3-1
F-3-1
3.2 Construction of the Electrical Circuitry
3.2.1 Image Processor PCB
0010-6854
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
The following is a diagram showing the major control mechanisms of the Image Processor PCB according to connectors:
Item Description
Image Processor PCB Controls system operation, memory, printer unit output, image
processing, printer unit image input processing, card printer
unit interface, fax image
processing, etc.
Image memory (SDRAM) Temporarily retains image data (128 MB; 256 MB max.)
Flash ROM Stores system software and retains user data/service data
USB port USB2.0 interface
Image Processor PCB
USB port
DC controller PCB
Reader Unit
Image memory
(SDRAM)
Flash ROM