Oki MB451 User Manual

Other Issues
-163-
Troubleshooting
7
Machine Issues
Memo
 If the following information does not solve the trouble, contact your dealer.
Paper does not feed into
the machine.
The setting of [Paper Feeding
Source] on the printer driver is
not correctly specified.
Check the paper tray and select
the correct tray in [Paper
Feeding Source] on the printer
driver.
-
You have specified manual feeding
on the printer driver.
Load the paper in the MP tray.
Then, on the operator panel, select
[Restart].
Or, on the printer driver, clear the
[
Use MP tray as manual feed ]
check box on [
Paper feed options ].
P. 3 4
Advanced
The machine does not
start processing even
though you have
removed the jammed
paper.
- Open and close the top cover. -
The paper gets folded or
wrinkled.
The paper is moist or has a static
charge.
Use paper stored under proper
temperature and humidity conditions.
P. 3 1
The paper is light.
Press the < SETTING > key and then
select [
Paper Setup ] > [ (tray
name)
] > [ Media Weight ].
Then, specify a lighter weight.
P. 3 6
The paper twists around
the rollers in the fuser
unit.
The settings of media weight and
type are incorrect.
Press the <SETTING> key and
then select [Paper Setup] >
[(tray name)] > [Media Type]/
[Media Weight]. Then, specify
the appropriate values.
Or, specify the heavier weight in
[Media Weight].
P. 3 6
The paper is light. Use heavier paper. -
There is an image or text on the
leading edge of the paper.
Have a margin on the leading edge
of the paper.
For duplex printing, leave a margin
on the leading and bottom edges.
-
Symptom Point to check Remedy Reference
Turned on the machine,
but it stays "Off-Line".
The AC cable is unplugged. Hold down the power switch for
about a second to turn on the
power and then plug in the AC
cable firmly.
-
The power is out. Check if the power is being
supplied to the electric outlet.
-
The machine does not
operate.
The AC cable is not firmly plugged in. Plug in the AC code firmly. -
The machine is turned off. Hold down the power switch for
about a second to turn on the
power.
P. 2 0
The power turned off
automatically because of
the auto power off
function, and does not
respond.
The power turned off automatically
because it has passed the auto
power off time.
Please turn on the power. -
The printer does not
respond.
The printer is in error status. Press the power switch for more
than 5 seconds and turn off the
power. And then turn on the power
again.
-
Symptom Point to check Remedy Reference

Oki MB451 Specifications

General

Duplex printing	Yes
Print technology	LED
Time to first page (black, normal)	5 s
Print speed (black, normal quality, A4/US Letter)	29 ppm
Dimensions (WxDxH)	455 x 425 x 427 mm
All-in-one functions	Copy, Fax, Print, Scan
Color all-in-one functions	No
Maximum duty cycle	30000 pages per month
Copier resize	25 - 400 %
Maximum number of copies	99 copies
Time to first copy (black, normal)	11 s
Scan to	CIFS, Fax, FTP, USB
Grayscale levels	7
Scan speed (black)	37.5 ppm
Scan speed (color)	10 ppm
Image formats supported	BMP, GIF, JPG, PCX, PNG, TGA
Faxing	Mono faxing
Fax memory	200 pages
Modem speed	33.6 Kbit/s
Fax transmission speed	2 sec/page
Total input capacity	- sheets
Total output capacity	150 sheets
Maximum input capacity	350 sheets
Total number of input trays	2
Multi-Purpose tray input capacity	100 sheets
Envelopes sizes	9, 10, C5, C6, DL
Maximum print size	210 x 297 mm
Duplex media weight	60 - 112 g/m²
Paper tray media types	Envelopes
Paper tray media weight	60 - 120 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 150 g/m²
Display	LCD
Display resolution	320 x 128 pixels
Market positioning	Business
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Security algorithms	SSL/TLS
Processor frequency	330 MHz
Sound power level (standby)	55 dB
Sound pressure level (quiet mode)	30 dB
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	3 W
Power consumption (PowerSave)	14 W
Power consumption (average operating)	580 W
Mac operating systems supported	Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Server operating systems supported	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64
Windows operating systems supported	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	20 - 80 %