OKI MB491+LP 62439201 Prospecto

Print speed A4: 40ppm mono

Time to first print 5 seconds or less

Warm up time Up to 60 seconds from power on and up to 25 seconds from 

power save

Processor speed 330MHz

1

Check local OKI website for latest driver releases and OS compatibility; 

2

Windows only; 

3

Including all consumables; 

4

Downloadable from www.oki.co.uk.

Consumables Information: For the protection of your printer, and in order to ensure that you benefit from its full functionality, this model has been designed to operate only with genuine OKI toner 

cartridges. These can be identified by the OKI trademark. Any other toner cartridge may not operate at all, even if it is described as “compatible”, and if it does work, your printer’s performance and 

print quality may be degraded.

Optical Resolution 600 x 600dpi

Speed Up to 10ppm colour, up to 37.5ppm mono

Colour depth Input 48-bit / Output 24-bit

Document input 50-sheet Reverse Automatic Document Feeder (RADF), flatbed 

scanner

Contrast 7 Levels

Format M-TIFF, JPEG, XPS, PDF, Secure PDF + (BMP, PCX, GIF, TGA, PNG, 

WMF, EMF from Actkey Utility)

Address book LDAP, 100 E-mail address, 20 group addresses

Scan to FTP, HTTP, USB memory, E-mail, TWAIN, CIFS and Scan to  

Application and Fax from Actkey Utility

LCD Panel Single simplified white backlit graphics panel: 84.1mm (W) x 

33.6mm (H); 

Resolution: 320x128 dots

12 alpha/numeric keys, 4 main function buttons (Copy, Scan, 

Print, Fax), Color & Mono Start, Status, Setting, Help, Job Macro, 

6 main navigation buttons (Back, Up, Down, Left, Right, OK), 

Clear, Stop, Power Save, Reset/Log Out, 8 keys and a Shift Key 

to provide 16 One Touch dial keys (Fax); Full QWERTY Key Pad

First copy out Less than 10 seconds

Speed Up to 40cpm 

Resolution Up to 600 x 600dpi

Reduction / Enlargement Zoom 25-400%

Maximum copies 99

Connectivity RJ11 x 2 (Line/Tel), PSTN, PBX Line

Speed ITU-T G3(Super G3) up to 33.6kbps, up to 2 seconds/page

Fast dialing 16 one touch dials (8 x 2 using shift key), 100 speed dials

Groups Up to 20

Broadcast Maximum 100

Page memory 4MB (approx. 200 pages transmit and receive)

2nd paper tray 44575709

Foreign Device Interface (FDI) 44925402

(3,000 pages) 44574702

(7,000 pages) 44574802

(12,000 pages) 44917602

(25,000 pages) 44574302

Connectivity 10/100 TX Ethernet, USB 2.0 Device IF, USB 2.0 Host IF

Printer languages PCL6 (XL3.0), PCL5e, PostScript 3 (emulation), SIDM (IBM-PPR, 

EPSON-FX)

All major network protocols supported via ethernet card with 

internal web server for printer and network card set-up and 

management. TCP/IPv4&v6, SMTP, POP3, HTTP, SNMPv1&v3, 

DHCP, DNS, LPR, Port9100, BOOTP, ARP, FTP, CIFS, LDAP, SLP, 

Bonjour, Web Services Discovery. NetWare, EtherTalk, NetBEUI

Windows XP (32-bit & 64-bit) / Server 2003 (32-bit & 64-bit) / 

Server 2008 (32-bit & 64-bit) / Server 2008 R2  (64-bit) / Vista 

(32-bit & 64-bit) / 7 (32-bit & 64-bit); Mac OS X 10.4.0 - 10.7.0

& security IP Filtering, MAC Filtering, SSL/TLS, EAP(IEEE802.1X), IPSec

Template Manager

2&4

, OKI LPR

2

, PrintSuperVision.net

2&4

, 

PrintSuperVision Java

4

, Print Job Accounting

2&4

, Print Job 

Accounting Client, Web Driver Installer

2&4

, Network Card Setup, 

Configuration Tool

2

, Actkey

2

, PDF Direct Print

2

, PS Gamma 

Adjuster

Document management Nuance PaperPort SEv11

2

, Nuance OmniPage SEv16

2

Standard RAM: 256MB; Maximum RAM: 256MB
Standard SD Memory Card: 4GB

Operating temperature/ humidity: 10°C to 32°C (17°C to 27°C 

recommended)/ 20% to 80% RH (50% to 70% RH recommended)
Storage temperature/ humidity:  -10°C to 43°C/ 10% to 90% RH

Power supply Single phase 220 to 240VAC, frequency 50-60Hz +/- 2%

Power consumption Typical: 610W; Max: 950W; Idle: 80W; Power Save: <14W Deep 

Sleep: <3.0W

Noise level Operating: 55dB(A) or less; Standby: 30dB(A);  

Power save: Inaudible

Dimensions (HxWxD) 455 x 427 x 425mm

Approx 20kg

Duty cycle Maximum: 80,000 pages/month;  

Recommended: Up to 8,000 pages/month

Warranty 3 years extended warranty upon registration within  

30 days of purchase

Product order numbers MB491: 01321001

Paper capacity Tray 1: 250 sheets of 80gsm; Multi-purpose tray: 100 sheets of 

80gsm;

 RADF: 50 sheets of 80gsm

optional 2nd tray 530 sheets of 80gsm

Maximum paper capacity 880 sheets of 80gsm

Tray 1: A4, A5, B5, A6; Tray 2: A4, A5, B5; Multi-purpose 

tray: A4, A5, B5, A6, Envelopes (C5, C6, DL, Com-9, Com-10, 

Monarch), Custom Size (up to 1321mm length including 

banners);

 Duplex: A4, B5; RADF: A4, B5 

Paper weight Tray 1/2: 60 to 120gsm; Multi-purpose tray: 60 to 160gsm; 

Duplex: 60 to 120gsm; RADF: 60 to 105gsm

Duplex Standard

Paper output Face Down: 150 sheets of 80gsm

Printer fonts Scalable: 87 PCL Fonts and 136 PostScript fonts, PCL Bitmap 

fonts, OCR-A/B, USPS ZIP Barcode

12 types of one dimension with 28 variations: UPC-A, UPC-E, 

EAN/JAN-8, EAN/JAN-13, Interleaved2of5, Code39, Code 128, 

EAN/UCC-128, CODABAR, ZIP+4POSTNET, Customer barcode, 

USPS Zip Barcode; 1 type of two dimension: PDF417

Resolution 1200x1200dpi, 600x600dpi

*Toner: A4 pages yield compliant with ISO/ISC 19752. Printer shipped with toner for 2,000 A4 pages.

**Drum: Average life of 3 pages per job from tray 1 in simplex mode

©2012 Oki Europe Ltd. Version 1.0 04/2012. 

Specification subject to change without notice. All trademarks acknowledged.

Our devices are manufactured to the highest standards of quality and technology, which has been confirmed by independent tests. 
We are so convinced of the high quality of our products that we are offering you an extension of the standard warranty period to 3 
years at no extra cost to you. Simply register your product within 30 days of purchase to be eligible for our unique all inclusive offer. 

For further information please visit: 

Without registration, the standard pan-European 1 year warranty applies.

Blays House, Wick Road,
Egham, TW20 0HJ, UK 
Tel: +44 (0)1784 274300