2-81
Confidential
■ Error code EE
Unavailability of communication after connecting to the wireless LAN PCB is detected.
(Wireless LAN model only)
■ Error code EF
The supplied power is unstable.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Print Unable EE
Turn the power off and then back on again.
Step Cause Remedy
1 Harness connection failure of
wireless LAN PCB
Check the harness connection of the
wireless LAN PCB and reconnect it.
2 Wireless LAN PCB failure Replace the wireless LAN PCB.
3 Main PCB failure Replace the main PCB ASSY.
Print Unable EF
Turn the power off and then back on again.
Step Cause Remedy
1 The irregular power supply is
detected
Replace the low-voltage power supply
PCB ASSY. Reset the irregular power
supply detection counter following the
procedure described in "5. IF THE
MACHINE ERROR EF IS DETECTED
AND THE LOW-VOLTAGE POWER
SUPPLY PCB ASSY IS REPLACED"
in Chapter 4.
2 Main PCB failure Replace the main PCB ASSY.
Note:
The irregular power supply detection error (Machine Error EF) occurs when there is a large
fluctuation in the power supply voltage supplied to the printer.
In this case, if the same power supply is used, the same error might occur again even if the
low-voltage power supply PCB ASSY is replaced.
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