夏普ar-3818n顯示U-2是什么意思

夏普打印機(jī)蘇州夏普打印機(jī)售后服務(wù)中心客服熱線69616769，蘇州夏普售后電話，夏普售后網(wǎng)點(diǎn)， 夏普A-1808S三角形的燈一直閃爍, 夏普AR-2718N報錯H2, 夏普3818側(cè)進(jìn)紙對位, 夏普AR-m620n復(fù)出來很淡,維修視頻

夏普 ar-3818n顯示U-2是什么意思

夏普ar-3818n打印機(jī)維修點(diǎn) sijie2012 2021/10/16 蘇州維修服務(wù)中心電話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