Lexmark C746 User Manual

Tray linking does not work..............................................................................................................................234
Unexpected page breaks ................................................................................................................................234
Solving home screen applications problems.........................................................................................234
An application error has occurred ..................................................................................................................234
Solving option problems........................................................................................................................235
2,000-sheet drawer problems ........................................................................................................................235
Cannot detect flash memory card ..................................................................................................................235
Cannot detect printer hard disk......................................................................................................................235
Internal print server does not operate correctly ............................................................................................235
Internal Solutions Port does not operate correctly ........................................................................................236
Memory card ..................................................................................................................................................236
Option does not operate correctly or quits after it is installed ......................................................................236
Paper tray problems .......................................................................................................................................237
USB/parallel interface card does not operate correctly .................................................................................237
Solving paper feed problems.................................................................................................................237
Paper frequently jams.....................................................................................................................................237
Paper jam message remains after jam is cleared ...........................................................................................238
Jammed pages are not reprinted....................................................................................................................238
Solving print quality problems..............................................................................................................239
Characters have jagged or uneven edges .......................................................................................................239
Clipped images................................................................................................................................................239
Gray background on prints .............................................................................................................................239
Incorrect margins............................................................................................................................................240
Light colored line, white line, or incorrectly colored line appears on prints ..................................................240
Paper curl........................................................................................................................................................241
Print irregularities...........................................................................................................................................241
Print is too dark ..............................................................................................................................................242
Print is too light...............................................................................................................................................243
Printer is printing blank pages ........................................................................................................................244
Repeating defects appear on prints................................................................................................................245
Shadow images appear on prints ...................................................................................................................245
Skewed print...................................................................................................................................................246
Solid color or black pages appear on prints....................................................................................................246
Streaked horizontal lines appear on prints.....................................................................................................247
Streaked vertical lines appear on prints .........................................................................................................248
Toner fog or background shading appears on the page .................................................................................248
Toner rubs off .................................................................................................................................................249
Toner specks ...................................................................................................................................................250
Transparency print quality is poor..................................................................................................................250
Uneven print density ......................................................................................................................................251
Solving color quality problems..............................................................................................................251
FAQ about color printing ................................................................................................................................251
Embedded Web Server does not open.................................................................................................254
Contents 9

Lexmark C746 Specifications

General

Color	Yes
Print technology	Laser
Resolution color	2400 x 600 DPI
Maximum resolution	1200 x 1200 DPI
Duplex printing mode	Auto/Manual
Time to first page (black, normal)	9 s
Print margins (top, bottom, right, left)	4.2 mm
Print speed (black, normal quality, A4/US Letter)	33 ppm
Printing colors	Black, Cyan, Magenta, Yellow
Maximum duty cycle	85000 pages per month
Recommended duty cycle	1500 - 9200 pages per month
Number of print cartridges	1
Page description languages	Microsoft XPS, PCL 5c, PCL 6, PDF 1.6, PostScript 3, PPDS
Paper input type	Paper tray
Total input capacity	650 sheets
Total output capacity	300 sheets
Maximum input capacity	4300 sheets
Total number of input trays	2
Maximum number of input trays	6
Multi-Purpose tray input capacity	100 sheets
Envelopes sizes	7 3/4, 9, 10, B5, C5, DL
Paper tray media types	Card stock, Envelopes, Labels, Plain paper, Transparencies
Paper tray media weight	60 - 218 g/m²
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Letter (media size), Oficio (media size), Statement (140 x 216mm), Universal, Legal (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
JIS B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Wi-Fi	No
Security algorithms	802.1x RADIUS, HTTPS, LEAP, MD5, PEAP, SSL/TLS
Mobile printing technologies	-
Supported network protocols (IPv4)	TCP/IP, AppleTalk
Supported network protocols (IPv6)	TCP/IP, TCP, UDP
Standard interfaces	Ethernet, USB 2.0
Optional connectivity	Parallel, Serial (RS-232), Wireless LAN
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Noise level (idle)	32 dB
Maximum internal memory	1536 MB
Sound pressure level (printing)	54 dB
Sound pressure level (quiet mode)	48 dB
Display	LCD
Certification	CAN/CSA-C22.2 60950-1, CSA E60825-1, ICES-003 Class A, BSMI Class A, VCCI Class A, US FDA, FCC Class A, UL 60950-1, EN/IEC 60320-1, CE Class A, CB IEC 60950-1, EN 60950-1, EN/IEC 61000-3, EN 55022 Class A, EN 55024, EN/IEC 60825-1, GS (TÜV), AR S (TÜV), SMA C-tick mark Class A, CCC Class A, CISPIR 22 Class A, MIC Mark, EK Mark
Product color	Black, White
Display diagonal	2.4 \
Power consumption (off)	6.8 W
Power consumption (standby)	48 W
Power consumption (printing)	420 W
Server operating systems supported	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2
Operating altitude	0 - 3048 m
Operating temperature (T-T)	16 - 32 °C
Operating relative humidity (H-H)	8 - 80 %
Package depth	553 mm
Package width	588 mm
Package height	545 mm
Package weight	29700 g

Weight and Dimensions

Depth	400 mm
Width	435 mm
Height	455 mm