设计
| 备用的液晶显示器 |
Y |
| 内置显示器 |
Y |
| 液晶显示器功率 |
Y |
端口 & 界面
| 直接打印 |
Y |
| 选择性连接 |
Parallel, Serial (RS-422) |
输出容量
| 标准输出容量 |
500 sheets |
| 最大输出能力 |
3800 sheets |
打印技术
| 占空比(最高) |
300000 pages per month |
| 打印墨盒数量 |
1 |
| 打印技术 |
Laser |
| 印刷颜色 |
Black |
| 占空比（推荐） |
15000 - 59000 pages per month |
打印速度
| 首页时间（黑白，正常) |
6 s |
| 打印速度（黑色，一般质量，A4/US Letter） |
50 ppm |
| 双面打印速度（黑色，标准质量，A4/US Letter） |
50 ppm |
输入容量
| 最大输入容量 |
5100 sheets |
| 标准输入能力 |
1100 sheets |
| 纸张输入数量 |
3 |
纸张处理
| 信封尺寸 |
10, DL, C5, 6 3/4, 7 3/4 |
| ISO A 系列文件最大尺寸 |
A3 |
| 日本JIS B系列尺寸（B0. .. B9） |
B4, B5 |
| 非ISO打印介质尺寸 |
Statement, Letter, Folio, Legal |
性能
| 可支持的Mac操作系统 |
Mac OS X 10.2 Jaguar, Mac OS X 10.7 Lion, Mac OS 9.2, Mac OS X 10.3 Panther, Mac OS X 10.8 Mountain Lion, Mac OS X 10.0 Cheetah, Mac OS X 10.4 Tiger, Mac OS X 10.1 Puma, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard |
| 处理器频率 |
800 MHz |
联网
| 连网功能 |
Y |
| 可支持的网络协议（IPv4） |
TCP/IP, AppleTalk |
| 可支持的网络协议（IPv6） |
TCP/IP, TCP, UDP |
另外
| 以太网连接器 |
Y |
| 最大纸张输入数量 |
6 |
| 打印噪音水平 |
55 dB |
| 最大内部存储 |
1280 MB |
Monochrome Laser, 1200 x 1200 dpi, 6 seconds, 800 MHz, 256 MB, Gigabit Ethernet, USB 2.0, 700 watts, +3Years Total OSR NBD
<b>Departmental Superstar</b>
A powerful A3 monochrome solution, the Lexmark W850dn with duplex gives you rapid printing up to 50 ppm, plus a wide range of options, including finishing and tailored solutions.
<b>Serious Printing Performance</b>
Reach your true productivity potential with Lexmark's most powerful monochrome laser printer with duplex standard. You'll get powerful 800MHz processing and 256MB of RAM standard, with print speeds up to 50 ppm and the first page out as fast as 6 seconds, plus fast Gigabit Ethernet.
<b>Exceptionally Versatile</b>
From start to finish, designed to handle your toughest tasks – from hard-to-print media to paper sizes up to A3 / 11x17 (tabloid). Optional accessories let you easily expand your input capacity up to 5,100 sheets or add finishing touches with stapling, hole punch and offset stacking.
<b>Ups Uptime</b>
Combines reliable high-speed printing with must-have features like Job Waiting to keep the print queue flowing and Direct Web printing for on demand printing of online documents. Plus a solutions-ready framework for tapping into serious business apps that can help you save paper, cut waste, lower costs and enhance document security. See Related Links to learn more.
<b>Cutting-Edge Security</b>
From network security to user-access restrictions, you’ll be fully equipped to keep valuable data safe and sound. In addition to IPSec, SNMPv3 and 802.1x network security, the Lexmark W850n offers an alphanumeric pad for easy PIN authentication, plus encryption and disk wiping to secure the optional hard disk.
<b>An Easy Operator</b>
Easy operation, including a four-line display that provides intuitive visuals to guide users. Duplexes automatically―no reinserting sheets manually to print the second side. Plus a convenient front-side Direct USB for printing PDFs and other image file types directly from portable memory devices.
<b>Prints Black. Thinks Green.</b>
Eco-conscious features include built-in duplex printing to save paper, Eco-Mode to save energy, and Quiet Mode for ultra-quiet operation. Recycle your empty cartridges free of charge through the Lexmark Cartridge Collection Program (see Related Link to learn more).
