Oki MB472dn User Manual - page 554
Other Problems
Memo
If you cannot solve a problem with the following solutions, contact your dealer.
Symptom
Cause
Solution
Reference
Nothing is displayed
on the display screen
after turning the
machine on.
The power cord is unplugged.
Turn the machine off, and then plug in the
power cord firmly.
-
The power is out.
Check whether the power is supplied to
the outlet.
-
The machine does not
operate.
The power cord is not firmly plugged in.
Plug in the power cord firmly.
-
The machine is turned off.
Turn the machine on.
The power switch LED
lamp quickly flashes
at approximately 0.3-
second intervals.
The machine may be malfunctioning.
Unplug the power cord immediately, and
then contact your dealer.
-
The machine does not
start printing.
An error is displayed.
Check the error code, and then follow the
on-screen instructions.
Error Message
Search
A LAN cable or USB cable is unplugged.
Plug in a LAN cable or USB cable firmly.
There may be a problem with a LAN cable
or USB cable.
Use another LAN cable or USB cable.
-
A LAN cable or USB cable does not meet the
standard.
Use a USB 2.0 cable.
Use an Ethernet 10BASE-T/ 100BASE-
TX cable.
-
There may be a problem with the print
function.
Press
(SETTING), and then select
[Reports] > [Configuration], and print out
the configuration list to check the printing
performance.
A communication protocol is disabled.
Press
(SETTING), and then select
[Admin Setup] > [Network Menu] >
[Network Setup] and enable the
communication protocol that you are
using.
-
A printer driver is not selected.
Set the printer driver of the machine as
the default printer.
-
The output port of the printer driver is
incorrect.
Specify the output port for connecting a
LAN cable or USB cable.
-
Nothing is displayed
on the display screen.
The machine is in Sleep mode or Deep Sleep
mode.
Check (POWER SAVE) flashes, and then
start the machine by pressing (POWER
SAVE).
Print data is not sent. A LAN cable or USB cable is damaged.
Connect a new cable.
-
The time-out period set on the computer
has elapsed.
Set a longer time-out period.
-
There is an abnormal
sound.
The machine is inclined.
Place the machine on a flat surface.
-
There are waste paper or foreign objects
inside the machine.
Check inside the machine, and then
remove any objects.
-
The top cover is opened.
Close the top cover.
-
There is a buzzing
The machine is printing on heavy or light
This is not a malfunction. You can proceed -
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