PRINTER
Print speed A4:         36ppm colour/mono; A3: 20ppm colour/mono
Time to first print:    6.3 seconds
Warm up time:         ≤ 20 seconds from power on ≤ 9.9 seconds from power save

INTERFACE AND SOFTWARE
Connectivity:     

USB 2.0 Device, USB 2.0 Host x 1, 10Base-T/100Base-TX/
1000Base-T Ethernet, Wireless IEEE802.11a/b/g/n, NFC2
Printer languages:     PCL6 (XL3.0) and PCL5c, PostScript3 emulation, PDF v1.7,
SIDM (IBM-PPR, EPSON-FX)
Network & protocols: 
All major network protocols supported via ethernet card with internal web server for printer and network card set-up and management. TCP/IPv4&v6, NetBIOS over TCP, DHCP, DHCPv6,
BOOTP, HTTP, HTTPS, DNS, DDNS, WINS, UPNP, Bonjour, SMTP, POP3, SNMPv1&v3, SNTP, IPP, IPPS, WSD Print, LLTD, IEEE802.1X, LPR, Port9100, Telnet, FTP, AirPrint, Google Cloud Print. Wireless IEEE802.11a/b/g/n, WEP, WPA, WPA2, Personal, Enterprise 6 

OS Compatibility: 

Server 2008 (32-bit & 64-bit) / Windows 7 (32-bit & 64-bit) / Server 2008 R2 (64-bit) / Windows 8 (32-bit & 64-bit) / Server 2012 (64-bit) / Windows 8.1 (32-bit & 64-bit) / Server 2012 R2 (64-bit) / Windows 10 (32-bit & 64-bit); Server2016 (64-bit); Mac OS X 10.10 to 10.13

Advanced networking & security:
IPv6, 802.1x authentication, SNMP V3, SSL3/TLS HTTPS encryption, Secure Print, Secure Erase, Data Encryption, IP filtering, IPSec 

Utility suite 
Template Manager 3 , Color Correct, OKI LPR3, Color Swatch Utility, smart PrintSuperVision3, Print Job Accounting Client, Network Card Setup 5, Configuration Tool3, PS Gamma Adjuster, Network Extension 3, Monitoring Tool, Firmware Update Tool, Profile Assistant5, SENDYS Explorer

TYPEFACES
Printer fonts Scalable: 87 PCL fonts and 80 PostScript fonts, PCL Bitmap fonts: LinePrinter, OCR-A/B, USPS ZIP Barcode 

Barcode
10 types of one dimension with 26 variations: UPC-A, UPC-E, EAN/JAN-8, EAN/JAN-13, Interleaved2of5, Code39, Code 128, EAN/UCC-128, CODABAR, ZIP+4 POSTNET, 2 types of two
dimensions: PDF417, QR code

PRINT QUALITY
Resolution ProQ Multi-level technology, 1200 x 600dpi, 600 x 600dpi 

Enhancements: 

Auto Color Balance, Photo Enhance via Driver (Windows PCL6 driver only)

PAPER HANDLING
Paper capacity 

Tray 1: 300 sheets of 80gsm;
Multi-purpose tray: 100 sheets of 80gsm

Paper capacity of optional trays
Tray 2: 535 sheets of 80gsm; Tray 3: 535 sheets of 80gsm;
Tray 4: 535 sheets of 80gsm; Tray 5: 535 sheets of 80gsm
Maximum paper capacity 

2,540 sheets of 80gsm

Paper sizes
Tray 1: A3, A4, A5, A6, B4, B5; B6 Tray 2/3/4/5: A3, A4, A5, B4,
B5;
Multi-purpose tray: A3, A4, A5, B4, B5, B6, A6; Envelopes
(Com-10, DL, C5,C4), Custom size (up to 1321mm length
including banner); 

Duplex: A3, A4, A5, B4, B5; Custom size: Width 127-297mm Length 182-431.80mm

Paper weight 

Tray 1: 64 to 220gsm; 

Tray 2/3/4/5: 64 to 176gsm;
Multi-purpose tray: 64 to 256gsm; 

Duplex: 64 to 220gsm

Duplex 

Standard: C834dnw; Optional: C834nw

Paper output 

250 sheets face down, 100 sheets face up, 80gsm

GENERAL FEATURES
Memory: 1GB RAM; 3GB eMMC
Environment
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/humidty: -10°C to 43°C, 10% to 90% RH
Power supply Single phase 220-240VAC, frequency 50/60Hz +/-2%
Power consumption Typical: 680W; Max: 1118W; Idle: 13W; Power Save: <11W; Deep Sleep: <1.0W; Auto-Off: <0.15W
Noise level Operating: <54dB(A); Standby: 32dB(A) or less; Power save: Background level
Dimensions (WxDxH) 449 x 552 x 360mm
Weight 37kg approx (nw models); 40kg approx (dnw models)
Duty cycle Maximum: 75,000 pages/month; Recommended: 1,500 to 5,000 pages/month
Warranty 3 years extended warranty upon registration within 30 days of purchase ^
Product order numbers C834nw: 47074215 C834dnw: 47074215DNW

ACCESSORIES (ORDER NUMBERS)
2nd/3rd/4th/5th paper tray: 47074403
Banner tray 45015702
Castor base 45889502
Duplex 47079403 (Standard on C834dnw)
IC Reader Holder 46539501

CONSUMABLES (ORDER NUMBERS)
Toner cartridges* (10,000 page yield @ 5% Coverage A4)
Cyan: 46861311; Magenta: 46861310; Yellow: 46861309; Black: 46861312
Image drums** (30,000 impressions yield)
Cyan: 46857511; Magenta: 46857510; Yellow: 46857509; Black: 46857512
Transfer Belt (80,000 impressions yield)
47074503
Fuser Unit*** (100,000 pages)

47219604
*Toners: A4 pages yield compliant with ISO/ISC 19798.
**Drum: Average life of 3 A4 pages per job from tray 1 in simplex printing.
***Fuser: 3 pages per job
Printer shipped with toner for approx. 2,500 A4 pages.