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Error code ED and EE
These errors do 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.
An unidentified error occurred.
Error code EF
Unstable power supply was detected.
Error code F0
Malfunction of the flash memory on the main PCB
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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 EF
Turn the power off and then back on again.
Step Cause Remedy
1
Irregular power supply detected Replace the low voltage power supply PCB
ASSY. Reset the irregular power supply
detection counter following the procedure
described in "3. IF YOU REPLACE THE LOW
VOLTAGE POWER SUPPLY PCB ASSY" in
Chapter 4.
2 Main PCB failure Replace the main PCB ASSY.
CAUTION:
• The irregular power supply detection error (error code EF) occurs when there is a large
distortion in the power supply voltage supplied to the machine.
In this case, if the same power supply is used, the same error may occur even when
the low voltage power supply PCB ASSY is replaced. Ask the user to review the
installation environment.
Print Unable
Turn the power off and then back on again.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Malfunction of firmware Rewrite the latest firmware.
2 Main PCB failure Replace the main PCB ASSY.
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