性能
| 处理器频率 |
514 MHz |
| 打印 |
N |
| 占空比(最高) |
250000 pages per month |
| 管理协议 |
HTTP, HTTPs (SSL/TLS), SNMPv1, SNMPv2c, SNMPv3, WINS, SLPv1, IGMP, BOOTP, RARP, APIPA, DHCP, ICMP, DNS |
| 打印技术 |
Laser |
| 烤貝/ 影印 |
Mono copying |
| 数字发送器 |
N |
| 传真 |
Mono faxing |
| 扫描 |
Colour scanning |
输入容量
| 最大输入容量 |
1100 sheets |
| 自动进纸槽（ADF）容量 |
85 sheets |
| 标准输入能力 |
1100 sheets |
打印速度
| 打印速度（黑色，一般质量，A4/US Letter） |
48 ppm |
| 首页时间（黑白，正常) |
8.5 s |
其他功能
| 标准纸托盘 |
3 |
| 图象缩放范围 |
25 - 400 % |
| 网路功能 |
Fast Ethernet |
| 最大可打印区域 |
4.2 mm |
| 最大内部存储 |
0.640 GB |
| 多合一功能 |
Fax, Copy, Scan |
输出容量
| 标准输出容量 |
1250 sheets |
| 最大输出能力 |
1250 sheets |
运行声音
| 扫描噪音水平，操作 |
53 dB |
| 复印噪音水平，操作 |
58 dB |
| 噪音水平，闲置 |
35 dB |
纸张处理
| 日本JIS B系列尺寸（B0. .. B9） |
B5 |
| ISO A 系列文件最大尺寸 |
A4 |
| 信封尺寸 |
9, 10, DL |
联网
| 可支持的网络协议（IPv4） |
TCP/IP, IPv4, IPX/SPX, AppleTalk, LexLink (DLC), TCP/IP, IPv6 |
另外
| 以太网连接器 |
Y |
| 打印噪音水平 |
53 dB |
| 长度 |
scan |
X646ef Laser, USB 2.0, RJ-45, 256 Mb, 1200 x 1200, Colour Copying, Colour Printing, Faxing, Colour Network Scanning
Powerful A4 multifunction with advanced finishing.
Great for large enterprises that rely heavily on finishing, the Lexmark X646ef comes fully configured and ready to go, saving you valuable time and money when you need to produce large quantities of professional documents quickly and efficiently.
Finishing included: Finish off large print jobs quickly, easily and professionally with advanced stapling.
Big-screen simplicity: The incredibly large, intuitive touch-screen interface offers end-users fast, easy access to print, copy, fax and scan-to-email functions.
Serious performance: Increase productivity with rapid 48 ppm output, USB Direct printing, single-pass duplex scanning and on-screen colour scan previews.
