Oki MB451 User Manual

Other Issues
-150-
Network Connection Problems
 Common to Windows and Mac OS X
 For Windows
Cause Remedy Reference
The Job Type of "Secure Print", "Store to
HDD" and "Encrypted Secure Print" are
unselectable on the MB491.
For Windows PCL Driver
1.Click [Start] > [Devices and Printers].
2.Right-click the [OKI MB491(PCL)] icon and select
[Printer properties]. (If you have installed multiple
printer drivers, select [Printer properties] > [OKI
MB491(PCL)]).
3.Select the [Device Options] tab.
4.For the network connection, select [Get Printer
Settings].
For the USB connection, add a check to [ SD Memory Card ].
5.Click [OK].
For Windows PS Driver
1.Click [Start] > [Devices and Printers].
2.Right-click the [OKI MB491(PS)] icon and then select
[Printer properties]. (If you have installed multiple
printer drivers, select [Printer properties] > [OKI
MB491(PS)].)
3.Select the [Device Settings] tab.
4.For the network connection, select [Get installed
options automatically] under [Installable Options],
and then click [Setup].
For the USB connection, select [Installed] for [SD
Memory Card] under [Installable Options].
5.Click [OK].
Advanced
Cause Remedy Reference
Using a crossover cable. Use a straight cable. -
The machine is turned on before a cable
was connected.
Connect cables before turning on the machine. P. 4 7
The hub and the machine are incompatible
or have some problem.
Press the <SETTING> key and select [Admin Setup] >
[Network Menu] > [Network Setup] > [HUB Link
Setting], and then select [10BASE-T HALF].
-
The network connection method setting is
wrong.
This product cannot connect to a wired LAN and wireless
LAN at the same time. To connect to a wired network,
set the network connection method to wired. To connect
to a wireless network, set the network connection
method to wireless.
-
Not connected to a wireless access point.  Check that the wireless access point power is switched
on.
 Check the wireless access point settings, and then try
the manual settings or automatic settings.
 Restart the wireless LAN function.
 Press the < SETTING > key and select [ Admin Setup ] >
[ Network Menu ] > [ Network Setup ] > [ Wireless
Setting
], and then select [ Reconnect Wireless ].
-
Cause Remedy Reference
IP address is incorrect.  Check that the same IP address is set for the machine
and the machine's port setting on the computer.
 If using OKI LPR Utility, check the IP address setting in
OKI LPR Utility.
P. 6 4

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 %