Performance
| Processor frequency |
533 MHz |
| Economical printing |
Y |
| Printing |
Mono printing |
| Maximum duty cycle |
250000 pages per month |
| Recommended duty cycle |
5000 - 29000 pages per month |
| Duplex functions |
Print |
| All-In-One-multitasking |
Y |
| Copying |
Mono copying |
| Number of print cartridges |
1 |
| Digital sender |
N |
| Security features |
MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS, IPSec |
| Management protocols |
HTTP, HTTPs (SSL/TLS), SNMPv1, SNMPv2c, SNMPv3, WINS, SLPv1, IGMP, BOOTP, RARP, APIPA (AutoIP), DHCP, ICMP, DNS |
| Printing colours |
Black |
| Print technology |
Laser |
| Faxing |
Mono faxing |
| Scanning |
Colour scanning |
Printing
| Duplex print speed (black, normal quality, A4/US Letter) |
37 ppm |
| Print speed (black, normal quality, A4/US Letter) |
48 ppm |
| Time to first page (black, normal) |
8.5 s |
| Print resolution (black, normal quality) |
1200 x 1200 DPI |
| Print resolution (colour, normal quality) |
2400 x 1200 DPI |
Input capacity
| Maximum input capacity |
4100 sheets |
| Number of standard paper trays |
3 |
| Auto document feeder (ADF) input capacity |
6 sheets |
| Standard input capacity |
1100 sheets |
| Paper input type |
Paper tray |
Ports & interfaces
| Optional connectivity |
Wireless LAN |
Output capacity
| Standard output capacity |
600 sheets |
| Maximum output capacity |
1850 sheets |
Sound emission
| Scanning noise level |
53 dB |
| Copying noise level |
58 dB |
| Noise level (idle) |
35 dB |
Paper handling
| JIS B-series sizes (B0...B9) |
B5 |
| Non-ISO print media sizes |
Executive, Folio, Legal, Letter, Statement |
| Maximum ISO A-series paper size |
A4 |
| Envelopes sizes |
9, 10, DL, 7 3/4 |
Copying
| Copy speed (normal quality, black, A4) |
50 cpm |
| Time to first copy (black, normal) |
9 s |
| Copier resize |
25 - 400% |
Networking
| Supported network protocols (IPv6) |
TCP/IP |
| Network printing methods |
LPR/LPD, Direct IP (Port 9100), Socket (Raw TCP/IP), |
| Supported network protocols (IPv4) |
TCP/IP, IPX/SPX, DLC |
| Wi-Fi |
N |
| Ethernet LAN data rates |
10, 100 Mbit/s |
Storage
| Internal memory |
256 MB |
| Card reader integrated |
N |
Scanning
| Optical scanning resolution |
600 x 600 DPI |
| Maximum scan area |
216 x 356 mm |
Software
| Mac operating systems supported |
Y |
Operational conditions
| Operating altitude |
0 - 3048 m |
Additionally
| Maximum memory |
640 MB |
| Print noise level |
53 dB |
| Maximum number of paper inputs |
7 |
| Ethernet LAN connection |
Y |
| Scan type |
Flatbed & ADF |
Monochrome Laser, 1200 x 1200 dpi, 8.5 seconds, 50 ppm, 250000 pages per month, 514 MHz, Fast Ethernet, USB 2.0, 81.65 kg, 220V
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.
