施乐7855故障代码341.340.00
 

各位大神，谁知道施乐7855这个故障是什么引起的，出现这个故障是打印当中突然一次吸进3张纸后卡纸在定影器，之后就出现这个故障了，重新启动也没用，哪位大神知道的麻烦指点一下，感谢！

341-340 MDM NVM EEPROM Data Fault
BSD-ON: 3.6 PWB Communication (6 of 9)
NVM data error (valid data is not stored in a valid address).
NOTE:
When turning the power OFF, turn OFF the Power Switch first and then the Main Power Switch.
Procedure
1.Turn the power OFF and ON.
2.Install the correct version of the IOT firmware.
3.Initialize the IOT NVM (includes writing back the adjustment NVM).
4.If the problem persists, replace the following parts in sequence:
•MDM PWB (7830/35) (PL 18.2A)
•MDM PWB (7845/55) (PL 18.2B)
•MCU-PF PWB (7830/35) (PL 18.2A)
•MCU-PF PWB (7845/55) (PL 18.2B)

就是日版机041-340的代码，刷个八角试试，