Manual of product MB491
Editorial note
The OKI MB491 printer stands out with its impressive printing speed of 40 pages per minute, offering exceptional laser quality that effectively meets the needs of professional environments. Its all-in-one features, including printing, copying, faxing, and scanning, make it a versatile choice for daily use. Additionally, its convenient connectivity via USB and Ethernet facilitates integration into various systems. However, some drawbacks may affect the user experience. The lack of duplex printing and scanning features requires manual handling, which can increase paper consumption and extend document processing time. Furthermore, the weight of 20 kg can make moving the device difficult, and the absence of wireless connectivity limits usage flexibility. Finally, the 4 MB fax memory may prove insufficient in a high-volume work environment. In terms of performance, the printer scores highly due to its speed and print quality, while its robustness is enhanced by its ENERGY STAR certification, ensuring durable construction and energy efficiency. The value for money is also satisfactory, although some limitations regarding features may influence the choice of certain users. The user manual is comprehensive but could benefit from improvements for an even more intuitive use. In summary, the OKI MB491 is an excellent choice for professionals looking for a high-performing and versatile printer, while keeping in mind its few drawbacks.Score details
User experience
The user experience is good thanks to all-in-one features, but the lack of double-sided printing and scanning can be a drawback for some users.
Performance
The printing speed of 40 pages per minute and laser print quality ensure efficient performance, ideal for professional use.
Design
The design is functional, but its weight of 20 kg can make it difficult to move.
Value for money
With its versatility and features, the OKI MB491 represents good value for money despite some limitations.
Robustness
Durability and ENERGY STAR certification attest to the build quality and energy efficiency of the device.
Features
The all-in-one features are a plus, but the lack of wireless connectivity and some scanning options may limit its appeal.
Documentation
The user manual is comprehensive but could be improved for an even more intuitive use.
Advantages
Print speed of 40 pages per minute
All-in-one features: printing, copying, faxing
Laser print quality, 600 x 600 DPI
Built-in USB and Ethernet connectivity
ENERGY STAR certified energy efficiency
Disadvantages
No automatic duplex printing
Scanning only in simplex
Weight of 20 kg, difficult to move
No wireless connectivity
Fax memory limited to 4 MB
Technical Specifications MB491
General Information
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ModelMB491
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Brand
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Category
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Type
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SKU860393
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MPN860393
Print speed
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Printing technologyLaser
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Maximum resolution- DPI
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Print speed (black, normal quality, A4/US Letter)40 ppm
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Copy time for the first page (Black, normal)5 s
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Preheating time60 s
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PrintingMonochrome printing
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Double-sided printingNo
Other features
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All-in-one functionsCopy
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Color scanningFax
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Dimensions (LxWxH)Print
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Network featuresScan
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Ready-to-use networkNo
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Type of power supply427 x 425 x 455 mm
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Color scanningFast Ethernet
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Color scanningYes
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Color scanningPower
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Connectivity technologyNo
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No
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No
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Wired
Features
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Service cycle (Maximum)80000 pages per month
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Number of print cartridges1
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Languages of the page descriptionPCL 5e, PCL 6, PostScript 3
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Printing colorsBlack
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Digital senderNo
Copier
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Max. resolution of copies600 x 600 DPI
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Maximum number of copies99 copies
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Resizing copy25 - 400 %
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Release time of the first print (black, normal)10 s
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CopySingle copy
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Duplex copyNo
Digitization
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Optical scanning resolution600 x 600 DPI
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Maximum scan area- mm
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Type of scannerFlatbed scanning
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DigitizationMonochrome scanning
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Double-sided scanningNo
Fax
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Modem speed33.6 Kbit/s
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Fax Memory4 MB
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FaxSimple fax
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Duplex faxNo
Input and output capacity
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Total power capacity250 sheets
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Total output capacity100 sheets
Paper management
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Maximum print format210 x 297 mm
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Type of paper tray supportOrdinary paper
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ISO, Format Series A (A0...A9)A4, A5, A6
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JIS series B format (B0...B9)B5
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Envelope sizesC5, C6, DL
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Maximum ISO A series paper sizeA4
Design
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ScreenLCD
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Screen resolution320 x 128 pixels
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Built-in screenYes
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Market positionProfessional
Connectivity
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Direct printing-
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Standard interfacesEthernet, USB 2.0
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USB portYes
Network
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Ethernet/LANYes
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WifiNo
Representation / realization
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Internal memory256 MB
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Built-in memory card readerYes
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Processor frequency330 MHz
Power
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Electricity consumption (average operation)950 W
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AC input frequency50 - 60 Hz
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AC input voltage220 - 240 V
Weight and dimensions
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Weight20000 g
Minimum system requirements
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Support for the Mac operating systemYes
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Support for the Mac operating systemYes
Environmental conditions
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Operating temperature10 - 32 °C
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Operating relative humidity (H-H)20 - 80 %
Sustainability
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Sustainability certificatesENERGY STAR
Frequently Asked Questions
What is the weight of the OKI MB491 model?
What is the recommended method for removing paper jammed in the printer?
Why does my printer not recognize original cartridges?
Why is the quality of my prints poor?
What are the differences between a laser printer and an inkjet printer?
Why is my inkjet printer producing black streaks?
What does the acronym DPI mean?
How many cartridges can be installed in the OKI MB491?
What is the resolution of the OKI MB491 screen?
Is the manual for the OKI MB491 available in French?
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Presentation of product MB491 specifications from brand OKI
General Information
The OKI MB491 printer, manufactured by the renowned brand OKI, is a model that stands out for its quality and innovation in the printing device sector. Referenced under model MB491 | 44871304, this device is designed to ensure high performance and an enhanced user experience. The EAN code 5031713053729 allows for unique identification of the product in distribution systems.
Print Speed
The OKI MB491 uses laser printing technology, thus ensuring superior print quality and precise results. With a maximum resolution of 600 x 600 DPI, it is ideal for producing professional documents with clarity. Its print speed reaches 40 pages per minute (ppm) for black prints, making it particularly efficient for daily use. The first page print time is 5 seconds, and a warm-up of only 60 seconds is required before use. Although the printer offers color printing, it does not support duplex printing, thus requiring manual handling to print documents on both sides.
Additional Features
The OKI MB491 presents itself as a multifunction device, integrating options for copying, faxing, printing, and scanning. Its dimensions (427 x 425 x 455 mm) allow for easy integration into various workspaces. It is equipped with Fast Ethernet network connectivity, providing a fast and reliable connection. Its power supply is through mains, while the lack of wireless connectivity may represent a disadvantage for some users. Note also that the fax does not support sending color documents, nor color scanning.
Technical Specifications
With a maximum monthly duty cycle of 80,000 pages, the OKI MB491 is designed for heavy use. It operates with a single print cartridge, optimized to deliver high-quality prints. The product is compatible with page description languages such as PCL 5e, PCL 6, and PostScript 3, and it is limited to black printing.
Copying and Scanning Capabilities
The maximum resolution for copies is also 600 x 600 DPI, ensuring professional quality prints. The printer can make up to 99 copies at a time and offers resizing from 25 to 400 %. The first copy output time is 10 seconds. However, the lack of duplex copying limits the automation of the copying process. Regarding scanning, the optical resolution is 600 x 600 DPI with flatbed scanning, but without a duplex scanning option.
Fax and Paper Management
The fax modem operates at a speed of 33.6 Kbit/s and has a memory of 4 MB, allowing for the storage of multiple documents for efficient sending. The paper feed capacity is 250 sheets, while the output capacity is 100 sheets, thus ensuring effective management of document volume.
Design and Connectivity
Equipped with a 320 x 128 pixel LCD screen, the OKI MB491 offers a clear user interface. Although the product is primarily designed for professional use, its weight of 20 kg may complicate its movement. Standard interfaces, including a USB port, facilitate connection with various devices, while the Ethernet network ensures easy integration into the office environment.
Power Consumption and Durability
The power consumption in operation is 950 W, with an AC input frequency of 50 - 60 Hz and an input voltage of 220 - 240 V, ensuring efficient use. The OKI MB491 is ENERGY STAR certified, attesting to compliance with energy efficiency and sustainability standards, thus reducing environmental impact.
Operating Conditions
This printer operates efficiently in an ambient temperature of 10 to 32 °C and a relative humidity of 20 to 80 %, adapting to various work environments.
System Compatibility
Finally, the OKI MB491 is compatible with Windows and Mac operating systems, thus ensuring a smooth user experience regardless of the type of computing environment used.
