Oki MB472w User Manual

Oki Data CONFIDENTIAL
45762101TH Rev.1
2-37
2. TROUBLESHOOTING PROCEDURES
2.5.5.(2) Abnormal MFP operation after powered on
(2-1) No operation
Check item Checking Action in case of fail
(2-1-1) Checking power supplies
AC power supplied to the
printer
Check the supplied voltage from
the AC power source.
Supply AC power.
5V and 24V power supplied to
CU/PU board (MRM)
Check the power supply using
the POWER connector on the
CU/PU board (MRM).
7, 8, 9pin: 24V
1, 2, 3pin: 5V
4, 5, 6pin: 0VL
10, 11, 12pin: 0VP
Replace the low-voltage
power supply.
5V, and 24V power supplied
to SU board (MSU)
Check the power supply using
the POWER connector on the SU
board (MSU).
3, 4pin: 5V
7, 8pin: 24V
5, 6pin: 0VL
9, 10pin: 0VP
Replace the low-voltage
power supply.
3.3V power supplied to SU
board (MSU)
Check the power supply using
the GDIIF connector on the SU
board (MSU).
3pin: 3.3V
4, 6, 9pin: 0V
Replace the CU/PU
board (MRM).
(1-2) Display of OKI logo
Check item Checking Action in case of fail
(1-2-1) Operation panel display does not change.
Operation panel display OKI logo stays on. Replace the CU board
(MRM).
(1-3) Error message display
Check item Checking Action in case of fail
(1-3-1) Error message
Error message display Check the detail of the error on
the error message list.
Follow the instructions.

Oki MB472w Specifications

General

Brand	Oki
Model	MB472w
Category	All in One Printer
Language	English