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Memory
Main controller PCB 1
Parts name
Function, specifications, features
DDR2-SDRAM
2 slot / 1GB (standard)
J1000: 512 MB
J1004: 512 MB
Clock frequency: 333 MHz
Used for saving image, program data
Lithium battery (BAT1)
For RTC
Life: approx. 10 years
Main controller PCB 2
Parts name
Function, specifications, features
DDR2-SDRAM
256 MB (standard) / clock frequency: 200MHz
Scanner image process, printer image process, resolution conversion, compression/decompression, coding/decoding
DDR2-SDRAM
512 MB (Op) / clock frequency: 200MHz
Product name: Additional Memory Type A (512MB)
Rasterizing, rendering, resolution conversion, coding/decoding
Required when 600dpi color scanning (mode) is used or Super G3 3rd/4th Line Fax Board-AE1
SRAM
16 Mbit
To save data in Settings/Registration Mode/ Service Mode and image data management information in HDD
Lithium battery (BAT1)
For SRAM backup, Life: approx. 10 years