
E N T 1 5 3 0
Model Name:
RJ–4100
E N T 1 5 3 0
Model Name:
RJ–4100
CPU System Faults
When Message is Displayed
1
• E129 Error NVRAM
This message indicates that a fault
has occurred in the NVRAM on the
Main board that records printer set-
tings.
1-1
• Printer settings are faulty.
→
It is possible that strong noise has been received from outside the printer. Check the AC power supply and
equipment around the printer then try again after switching the printer off and on.
❈
If the above procedures do not improve the symptoms, the main unit has probably developed a fault for
some reason.
Go to MAP1700
No.
Symptom
Sequence
Items to be Confirmed
When Message is Displayed
CPU System Faults
51