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Confidential
■ Error code DF
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
Error, which cannot be specified, occurs.
■ Error code E0
Program error. (An error occurred in the ROM checksum.)
■ Error code E1
Program error.
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<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Print Unable E0
Turn the power off and then back on again.
Step Cause Remedy
1 Firmware update failure Rewrite the latest firmware.
2 Main PCB failure Replace the main PCB ASSY.
Print Unable E1
Turn the power off and then back on again.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.