Canon iR4570 Series Service Manual page 145

The following shows the construction of the machine's system software:
System software
System
Language
RUI
Boot
G3FAX
Dcon
Rcon
Meapcont
HDD
Description
System module (controls
mechanism as a whole)
Language module
(controls LCD
indications)
Remote user interface
module
Starts up the machine
Controls G3 Fax
Controls the DC
controller
Controls the printer unit
controller
Controls MEAP
applications
FSTDEV
TMP_GEN
TMP_PSS
TMP_FAX
APL_SEND
APL_MEAP
APL_GEN
IMG_MNG
PDLDEV
BOOTDEV
FSTCDEV
F-4-3
T-4-4
Location
HDD (BOOTDEV)
HDD (BOOTDEV)
HDD (BOOTDEV)
BootROM
HDD (BOOTDEV)
DC controller PCB
Printer unit controller
PCB
HDD (BOOTDEV)
Chapter 4
Remarks
DIMM
(FAX
board)
1-line
Mask
ROM
(soldered)
Flash
ROM
(soldered)
4-5