Oki MB451 User Manual

Other Issues
-151-
Troubleshooting
7
USB Connection Problems
 Common to Windows and Mac OS X
 For Windows
Unable to Install a Printer Driver Successfully
Memo
 If the following information does not solve the trouble, contact your dealer.
 For troubles caused by an application, contact the manufacturer of the application.
USB Connection Problems
 For Windows
All pages are not printed. If you are using the WSD port, change it to the standard
TCP/IP port.
Cause Remedy Reference
Unsupported USB cable is being used. Use a USB2.0 cable. -
A USB hub is being used. Directly connect the machine to the computer. P. 5 9
Printer driver is not installed correctly. Reinstall printer driver. P. 5 9
Cause Remedy Reference
Cause Remedy Reference
The machine is off line. Right-click the OKI MB491 icon and then select [See
print jobs] (> [OKI MB491(*)] when multiple drivers
are installed). In the dialog box, select the [Printer]
menu and then clear the check of [Use Printer Offline].
* Select the type of driver you want.
-
A switch, buffer, extension cable or USB
hub is being used.
Directly connect the machine to the computer. P.5 9
A printer driver which uses a USB
connection has been installed.
Remove the other printer driver from the computer. -
Cause Remedy Reference
An icon for the machine is not created
on the [Devices and Printers] folder.
The printer driver is not installed correctly.
Reinstall the printer driver correctly.
P. 5 9
Only the first printer driver is installed
even if multiple printer drivers are
selected to install.
Follow the procedure below to install a second and
subsequent printer drivers:
1.Insert the "Software DVD-ROM" into the computer.
2.Click [Run setup.exe] and follow the on-screen
instructions.
3. Select [Custom Installation (Printer)] from
[Driver Installation].
4. Click [Next].
5. Select [Local Printer] and then click [Next].
6. On the [Select printer port] screen, select [FILE]
and then click [Next].
7. Complete the setup following the on-screen
instructions.
-

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 %