Description: NVRAM data version disagreement: Data for the uploading NVRAM is not expected data for the machine.
Causes: Replace the MPU.
Code: E-51
Description: Flash Rom error: The data in the flash ROM is not complete.
Causes: Replace the MPU.
Code: E-54
Description: ASIC error: The ASIC on the MPU cannot reboot at turning on the machine. The ASIC on the MPU stop working, and then cannot recover during the machine operation.
Causes: MPU defective
Code: E-55
Description: FPGA error: The FPGA on the MPU detects the SBU clock error.
Causes: SBU defective MPU defective
Code: E-61
Description: Auto Off Switch error: The main switch does not turn off for more than 6.0 seconds.
Causes: Auto off switch defective Auto off switch connector disconnected
Code: E-70
Description: DF Gate error: The DF gate signal is not turned on for 10 seconds after the original has been transported from the original registration point. The DF gate signal is not turned off for 30 seconds after the machine has detected the ON signal from the DF gate.
Causes: Encoder defective Harness broken Connector disconnected Overload to ADF drive motor ADF drive motor defective
Code: E-71
Description: DF Mismatch error: The machine detects that the installed ADF is not a correct option for this machine when the ADF is activated.
Causes: Install the correct ADF. ADF drive board defective
Code: E-72
Description: DF Feed Motor error: The machine detects the error signal from the DF feed motor.
Causes: Overload to DF feed motor DF feed motor defective