Installation manual

1 OF 4
MFP
TT-20422R
Models:
MX-M283N/MX-M363N/MX-M453N/MX-M503N
MX-M363U/MX-M453U/MX-M503U
MX-M623N/MX-M753N
MX-M623U/MX-M753U
Priority:
Medium
Date:
May 2012
Subject:
Procedure to Resolve U2-30 Error Code
Symptom:
U2-30 Code on display panel on MFP.
Cause:
At power on, the MFP must identify its 8 digit serial number. The serial number is
electronically stored in 2 locations, on EEPROMs located On MFP Control PWB and the
PCU PWB. If the MFP fails to identify identical serial numbers in both locations at power
on, U2-30 error will occur.
Solution:
Follow the troubleshooting procedure on the following pages. If U2-30 cannot be
resolved, call the Hotline to open a case for this issue.
TECHNICAL
TIP