• Inexpensive; 24/7 toll-free tech support
  • High maximum paper capacity


  • Slow; awkward multipurpose tray
  • Skimpy starter-size toner cartridge

At A Glance

The tradeoffs on this low-cost unit include slow print speeds and some design drawbacks.

Manufacturer’s Description

The B420DN of Digital Monochrome printers from OKI Printing Solutions will give you more choices, so you never have to settle for ordinary performance again. If you're looking to improve the productivity and lower the operating costs of your business, the B420DN offers all of that and more.

The Specs

Part Number 91642903
Operating System Compatibility Microsoft Windows XP


PCWorld Test Center (Quality)
Print quality: Text Superior
Print quality: Color photo n/a
Print quality: Grayscale photo Good
Copy quality n/a
PCWorld Test Center (Speed)
Print speed: Text 26.9   ppm
Grayscale Glossy Output Quality n/a
Two-Page Excel Document (secs) 12.42
Line Art Output Quality Very Good
4 by 6 Grayscale Photo (secs) 12.17
Tested Color Speed (ppm) 6.5
Overall Scan Quality n/a
One-Page Webpage (secs) 10.47
Color Output Quality Good
Ten-Page Word Document (secs) 29.0
300dpi Line Art Image (secs) 12.83
Tested Grayscale Speed (ppm) 4.9
Three-Page Word Document (secs) 17.47
Tested Glossy Photo Speed (ppm) 4.7
4 by 6 Color Photo (secs) 14.19

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