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alaTest has collected and analyzed 6 reviews of OKI MB491. The average rating for this product is 3.7/5, compared to an average rating of 4.0/5 for other Printers for all reviews. Reviewers are impressed by the size and paper handling. Many are less positive about the price and noise.

paper handling, size

performance, noise, price

We analyzed user and expert ratings, product age and more factors. Compared to other Printers the OKI MB491 is awarded an overall alaScore™ of 84/100 = Very good quality.

Review analysis

(Based on 6 reviews)

Expert Reviews  

User Reviews  

Showing 2 review(s)

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Showing 1 - 2 of 2 Show Reviews: in English | in other languages (4)

Expert review by: M. David Stone (



Contrary to what you might expect from its name, the OKI MB491+LP ($549 direct), a monochrome multifunction printer (MFP), isn't simply the OKI MB491 with a little something extra tacked on. It actually claims a faster speed, at 47 pages per minute...

Prints, copies, scans, faxes. 50-page duplexing (two-sided) automatic document feeder. Duplex printing. Legal-size flatbed

Although fast enough so speed isn't an issue, it's a little slow for the price and rated engine speed

With its duplexing automatic document feeder and legal-size flatbed, the OKI MB491+LP delivers far more scan and copy capability than most small office MFPs.

Nov, 2012

Expert review by: M. David Stone (



The top-of-the-line model in the OKI MB401 series, the OKI MB491 monochrome laser MFP delivers relatively heavy-duty print, scan, copy, and fax capability for a small office.

Prints, scans, copies, faxes. 50-page automatic document feeder. Duplex (two-sided) printing

Although not slow enough for speed to be an issue, it's a little slow for the price and rated engine speed

Jul, 2012

Product Specifications

Paper Handling

Maximum ISO A-series paper size:A4