Chapter 6576.4 PCBs6.4.1 List of PCBs 0013-1284/ / / / iR1018 / iR1018J / / iR1022A / iR1022F / iR1022i / iR1022iF /T-6-6SymbolName Function Part No.[1] Image processor PCB Processes output image data 12MB: FM2-5044(except USA), FM2-6080(for USA)16MB: FM2-5045(except USA), FM2-6081(for USA)[2] DC controller PCB Controls the printer unit/option iR1018/1019 120V: FM2-8364iR1018/1019 230V: FM2-8365iR1022/1023 120V: FM2-8366iR1022/1023 230V: FM2-8367[3] Analog processorPCBCS drive, processes analog imagedataFM2-8363[4] Power supply PCB Printer power supply 120V: FK2-1372230V: FK2-1373[5] Relay PCB Relay of drive system DC load FM2-4918[6] Laser driver PCB/BDdetection PCBLaser drive/laser beam detection FM2-5271[7] NCU PCB Controls the line switchingoperationFM2-3947[8] Modular jack PCB Fax line interface Two lot type: FM2-5050 (iR1022F, iR1022iF except for EURO)Three lot type: FM2-5051 (iR1022F, iR1022iF for EURO)[9] Modem PCB Control the fax FM2-5047 (with SEND functions)FM2-4057 (w/o SEND functions)[10] LAN PCB Network interface/printer functioncontrolFM2-5048[11] Operation panel PCB Controls the operation panel FM2-9000 (iR1023iF for USA), FM2-9001 (iR1022iF for EURO), FM2-9002 (iR1022iF),FM2-9003 (iR1022iF for CHN), FM2-9005 (iR1022i for EURO), FM2-9006 (iR1022F forEURO), FM2-9007 (iR1022), FM2-9008 (iR1022F for KOR), FM2-9009 (iR1022F for TWN),FM2-9010 (iR1023 for USA), FM2-9011 (iR1018 for EURO), FM2-9012 (iR1018 for AUS),FM2-9013 (iR1022 for CHN), FM2-9014 (iR1022 for KOR), FM2-9015 (iR1022 for TWN),FM2-9016 (iR1023A for USA), FM2-9017 (iR1022A for EURO), FM2-9018 (iR1019J forUSA/iR1018J), FM2-9019 (iR1018J for EURO), FM2-9020 (iR1022J for CHN)[12] Humidity sensor Humidity detection FH7-7611[13] RAM DIMM temporarily retains image data FM2-4055 (128MB)FM2-4056 (256MB)[14] (Option ROM PCBPCL)PCL functiion control FM2-5056(except USA), FM2-6083(for USA)