Canon iR3245, Service Manual

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Chapter 4
4-4
4.2.2 HDD
0019-3111
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
The HDD is divided into 13 partitions (blocks), each assigned with specific functions.
T-4-3
F-4-3
J2024 HDD connector (power supply)
J2027 reader controller PCB connector
J2028 PCI bus expansion PCB slot
J2029 for connecting the V6-FLASH PCB
J2031 SDRAM (for system processing) slot (option)
J2032 SDRAM (for system processing) slot
J2033 connector for serial communication (for development)
J2037 voice guidance PCB/voice operation PCB slot
J2038 SDRAM (for image processing) slot
J2040 for debug (for development)
J2043 controller fan connector
CPU (IC45)
color image processing, JBIG/JPEG image data compression/extension, scanner/printer IF, USB (H)/(D) -IF, SDRAM (for image processing)
controller, RIP (convert PostScript data into bitmap data available for printing and display)
CPU (IC47) PCI (PCI bus) IF, serial ATA IF, USB2.0 Host I/F, RTC (real-time clock), Audio I/F
CPU (IC51) LCD controller, SDRAM (J2031/2032) controller, main CPU
Partition Description
FSTDEV Collects compressed image data.
TMP_GEN Stores temporary files, log data.
TMP_PSS PDL spool
TMP_FAX Ensures fax reception.
APL_SEND Stores user data (address book, transfer settings).
APL_MEAP Stores MEAP applications.
APL_GEN Mode memory data, standard mode data
History (e.g., print job history)
iFax image data
Fax image data
Other
IMG_MNG Stores file management table, profile.
PDL_DEV Stores PDL font, etc.
BOOTDEV Stores execution module, message data file, RUI content, etc.
FSTCDEV Chasing (not used)
APL_KEEP Stores non-initialized data
APL_LOG Stores LOG for development
Connector No/IC Functions
HDD
TMP_GEN
TMP_PSS
FSTDEV
APL_SEND
APL_MEAP
IMG_MNG
APL_GEN
BOOTDEV
FSTCDEV
PDLDEV
TMP_FAX
APL_KEEP
APL_LOG