夏普打印机出现代码U2-91，如何处理
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夏普打印机出现代码U2-91，如何处理
夏普2608苏州维修服务电话696l6769 赵蜷债 2018/10/10 21:10:34 Code U2-91
Description Memory check sum error (PCU)
PCU memory check sum error
Causes EEPROM trouble EEPROM is not initialized. PCU PWB EEPROM access circuit trouble Uninitialized EEPROM installed.
Remedy Check that EEPROM is properly inserted. Save the counter/adjustment values with the DIAG simulation. Use DIAG (SIM16) to cancel U2 trouble. Replace the Controller PWB.
夏普2608苏州维修服务电话696l6769 赵蜷债 2018/10/10 21:10:34 Code U2-91 Description Memory check sum error (PCU)
PCU memory check sum error
Causes EEPROM trouble EEPROM is not initialized. PCU PWB EEPROM access circuit trouble Uninitialized EEPROM installed.
Remedy Check that EEPROM is properly inserted. Save the counter/adjustment values with the DIAG simulation. Use DIAG (SIM16) to cancel U2 trouble. Replace the Controller PWB.
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