Overview Of The Block - Canon Color imageRUNNER LBP5280 Service Manual

2
Technical Reference > Controller System > Main Controller > Overview of the Block

■ Overview of the Block

FRAM SOFTID
I/F
I/F
DIMM Slot
(DRAM IC)
IC2010
DRAM IC
Terminal
IC2011
DRAM IC
IC9 IC11
ROM Slot
No. Name
IC4 ASIC
IC6 ETHERNET CONTROLLER IC IC for controlling communication of Ethernet
IC9 FLASH MEMORY IC
IC11 FLASH MEMORY IC
IC13 ASIC
IC2010 DRAM IC
IC2011 DRAM IC
2 Technical Reference > Controller System > Main Controller > Overview of the Block
Power
Supply
Control
PRT I/F
I/F
IC4 (ASIC)
SD_ch0
I/F
IC13 (ASIC)
UI I/F
RS 232C
IC6
RS 232C
USB USB USB
RJ45
H1.1 H2.0 D2.0
F-2-21
Description
IC for processing image data and sending video
output to the Printer Engine
Nonvolatile memory for storing programs for
executing various functions
Nonvolatile memory for storing the startup
program of IC13
IC including a processor core and having
functions such as real-time image processing,
PDL rendering, memory control, various IO
control, and external IF control
IC13 main memory and image data storage
memory
Image data storage memory
J120
J5
J511
IC4 IC13
J512
J3
J505
J502 J2802
IC2011
J503
2-21
J6
IC6
J2
J106
IC11
IC2010
IC9
F-2-22
2-21