Chapter 44-14.1 Construction4.1.1 Construction and Functions 0013-9208Color iR C3380G / Color iR C2880G / Color iR C3380i / Color iR C3380 / Color iR C2880i / Color iR C2880 / iR C3480 / iR C3480i / iR C3080 / iR C3080i / iRC2550The machine's main controller block consists of the following components and provides the functions indicated:T-4-1F-4-1Item Description[1] Main controller PCB (main) controls the system, controls the memory, controls image processing for output to the printer[2] Main controller PCB (sub R-A)/(sub R-A-SH) color space conversion, rotation for electronic sorting, binary processing, resolution conversion[3] Main controller PCB (sub PDRM-EF-A) image processing for printer output (color space compression, background removal, LOG conversion,direct mapping, color balance, zoom fine adjustment, gradation conversion, screen processing,framing, add-on)[4] Main controller PCB (sub SJ-A) scanner interface, scanner image processing (resolution conversion, image rotation, compression/expansion)[5] Main controller PCB (sub LAN-bar-A) LAN connection, HDD controller, HDD power supply[6] Boot ROM stores programs used for booting[7] SRAM PCB retains service mode settings and HDD control information[8] DDR-SDRAM retains program data and image data temporarily[9] Main controller PCB (sub RB-A) (to be translating)HDD HDD stores system software, retains image data for Box/fax functions[A] Reader unit[B] DC controller PCB[C] Printer unit[A][B][C]HDD[1][2][3][3][4][5][6][7][8][9]
