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Oki MB472w User Manual

Oki MB472w
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Oki Data CONFIDENTIAL
45762101TH Rev.1
2-38
2. TROUBLESHOOTING PROCEDURES
Check item Checking Action in case of fail
(2-1-2) Confirmation of the power switch LED
Power Switch LED Confirm whether the LED is off.
If the LED blinks rapidly, the
number of blinking times in a
cycleshows an error. The timing
of blinking rapidly is shown in the
below figure
Replace either of the
power supply unit, the
CU board (MRM), SW-
Assy (Front), the cables
connected to the CU
board and power supply
unit or the cables
connected to the CU
board and SW-assy.
In case of 2, 4, 8 or 10
times of LED blinking
rapidly: Replace either
of the power supply unit,
the CU board (MRM),
the cables connected
to the power supply unit
and the CU board.
In case of 3, 6 or 9
times of LED blinking
rapidly: Replace the CU
board (MRM).
Check item Checking Action in case of fail
(2-1-3) Checking connections
Connection between low-
voltage power supply unit and
CU/PU board (MRM)
Make sure the low-voltage power
supply unit is connected to the
POWER connector on the CU/
PU board (MRM) properly.
Check whether the cable
connector is half-connected
or tilted, or whether wires are
broken.
Check whether there is any
fault in the cable assembly, e.g.,
missing wires.
Connect the cable
properly.
Cable assembly connecting
low-voltage power supply unit
to CU/PU board (MRM)
Replace the cable with
a good cable.
Connection between low-
voltage power supply unit and
SU board (MSU)
Do the checking as described in
(1-1-2).
Refer to (1-1-2).
Cable assembly connecting
low-voltage power supply unit
to SU board (MSU)
Connection between CU/PU
board (MRM) unit and SU
board (MSU)
Cable assembly connecting
CU/PU board (MRM) to SU
board (MSU)
1.0 sec lighting
(No blinking)
A cycle
One time blinking (2.5Hz)
ON times 250mS
OFF times 150mS
N times blinking
ON
OFF
Rapid blinking of the LED

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Oki MB472w Specifications

General IconGeneral
FunctionsPrint, Copy, Scan, Fax
Print TechnologyLaser
Print Resolution1200 x 1200 dpi
Warm-up timeLess than 30 seconds
Copy Resolution600 x 600 dpi
Maximum number of copies99 copies
Scan Resolution600 x 600 dpi
Fax Transmission Speed33.6 Kbps
Paper Capacity250 sheets
Multi-Purpose tray capacity100 sheets
ADF input capacity50 sheets
Maximum input capacity350 sheets
Standard output capacity150 sheets
Internal memory512 MB
Monthly Duty Cycle30, 000 pages
Maximum Paper SizeA4
Print Speed (Black)33 ppm
Copy Speed (Black)33 cpm
Scanner TypeFlatbed, ADF
Fax memoryUp to 200 pages
Standard printer languagesPCL6, PCL5e, PostScript 3
DisplayLCD
ConnectivityUSB 2.0, Ethernet, Wireless
Mobile printing technologiesGoogle Cloud Print, AirPrint

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