A great choice for high-quality printing at a minimal cost, the B433dn serves even the busiest small workgroups with ease. Flexible paper handling, ultra-reliable digital LED technology, and a PostScript deliver great results across a wide range of applications, while extra-high-capacity toner cartridges help reduce running costs and maximize uptime.
Reliable performance, smaller footprint
With a low-profile design and full front operation, both models are easy to install and maintain-ideal for tight spaces and under-desk use.
Print speeds: 40ppm
Quick first page out: 4.5 sec (approx.)
Front-only access: no rear/side required for maintenance
Fits in tight spaces: only 10cm of surrounding clearance needed
Designed for longevity: 7 years or up to 600,000 pages
Minimal maintenance, maximum uptime
User-replaceable fuser and top-loading consumables mean fewer service calls and less downtime.
Self-maintenance from the front of the printer
Flip-top design reduces maintenance space by 30%
All consumables are accessible without moving the device
OKI’s digital LED printhead ensures consistent high-resolution output
1200 x 1200 dpi for sharp lines and fine detail
Proven reliability with fewer moving parts
More media, more possibilities
Print a wide range of media, from everyday documents to banners.
Standard input: 350 sheets
Expandable up to 1,940 sheets
Supports A6 to 1.32m banners (custom sizes), up to 256gsm
Enhanced A5 LEF and 4.23mm edge margin
Modern connectivity and control
Upgraded display and connection options simplify operation across platforms.
1.82” graphic LCD
Optional Wi-Fi IEEE802.11 a/b/g/n/ac, Wi-Fi Direct
Supports Mopria™, IPP Everywhere™, AirPrint, Adobe PostScript
Specification: -
Printing Method: Electrophotographic Technology (LED exposure / single component type dry development / OPC drum)
Printing Resolution 600 x 600 dpi
1200 x 1200 dpi
Physical dot pitch: 1200 dpi
Warm-up Time Approx. 18.0 seconds from power-on
Approx. 11.4 seconds from power save
Approx. 12.7 seconds from deep sleep
First Print Out Time Approx. 4.5 seconds
Print Speed A4 40 ppm
Letter 42 ppm
Interface USB 2.0 (High Speed), (Optional) Wireless LAN (IEEE802.11a/b/g/n/ac), 1000BASE-T/100BASE-TX/10BASE-T, USB 2.0 (High Speed) Host
Protocol TCP/IP
Printer Language PCL 6 (XL) emulation, PCL 5c emulation, Adobe PostScript 3, Epson FX Emulation, Epson LQ Emulation, IBM ProPrinter emulation, PDF v1.7
Supported OS Windows 11, Windows 10, Windows 10 x64, Windows Server 2025, Windows Server 2022, Windows Server 2019, Windows Server 2016, macOS 15, macOS 14, macOS 13, macOS 12, iOS, Chrome OS, Linux, Solaris, Android
Memory (Std./Max.) 512MB/512MB
Font PCL emulation 87 scalable fonts, 4 bitmap fonts, Adobe PostScript 136 fonts
Paper Size A4, A5, A6, B5, B6, B7, Letter, Legal 13, Legal 13.5, Legal 14, Executive, Statement, 8.5" SQ, Folio, Custom Size: Width 86-216 mm x Length 127-1321 mm, Postcard, Return postcard, Envelopes
Paper Weight Tray 1: 60 - 256 gsm
Multi-purpose tray: 60 - 163 gsm
(Optional)Additional Tray: 60 - 256 gsm
Input Capacity Tray 1: 250 sheets
Multi-purpose tray: 100 sheets
(Optional)Additional Tray: 530 sheets
Output Capacity Face Down: Max. 150 sheets
Face Up: Max. 100 sheets
Dimensions (WxDxH) 387 x 364 x 245 mm
Weight (includes supplies) Approx. 14.0 kg
Weight (not including supplies) Approx. 13.0 kg
Operating Environment Operating: 10 - 32 °C, 20 - 80 %RH
No condensation
Power Source Single phase 220 - 240 VAC ±10%, 50/60 Hz ±3%
Power Consumption Operating: Max. 1,140W / Ave. 570W
Idle: 47W
Power Save: 3.9W
Deep Sleep: 0.6W
Auto-Off: 0.2W
Safety& Environment Regulation PSB Mark, RCM Mark
Noise Level Operating: Approx. 55 dBA
Idle: < 30 dBA
Quiet Mode: < 53 dBA
Power saves: Background level
In the Box: Power cable, DVD-ROM, Manuals, Starter toner cartridge x 1, Image Drum x 1