夏普ar-3818n显示U-2是什么意思

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夏普 ar-3818n显示U-2是什么意思

夏普ar-3818n打印机维修点 sijie2012 2021/10/16 苏州维修服务中心电话0512-696l6769

  U2
U2 00 EEPROM READ/WRITE ERROR (MFP DETECTION)
U2 05 HDD/FLASH/EEPROM DATA DISCREPANCY
U2 10 SRAM USER AUTHENTICATION INDEX CHECK SUM ERROR
U2 11 EEPROM CHECK SUM ERROR (MFP DETECTION)
U2 22 SRAM MEMORY CHECK SUM ERROR
U2 23 MFPC SECTION SRAM MEMORY INDIVIDUAL DATA CHECK SUM ERROR
U2 24 SRAM MEMORY USER AUTHENTICATION COUNTER CHECK SUM ERROR
U2 25 FLASH MEMORY USER AUTHENTICATION COUNTER CHECK SUM ERROR
U2 30 SERIAL NUMBER DATA DISCREPANCY (MFP-PCU)
U2 50 HDD SECTION INDIVIDUAL CHECK SUM ERROR
U2 80 EEPROM READ/WRITE ERROR (SCU DETECTION)
U2 81 ADJUSTMENT VALUE CHECK SUM ERROR (SCU DETECTI
U2 90 EEPROM READ/WRITE ERROR (PCU DETECTION)
U2 91 EEPROM (PCU) CHECK SUM ERROR