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Lexmark X746de Service Manual

Lexmark X746de
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Diagnostic information 2-103
7526
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292.01 Scanner locked error service check
7
1. Remove the ADF motor side cover.
2. Check the cabling (ADF front assembly to
scanner ICC card) (A).
Is the cable damaged?
Go to step 8. Replace the cable.
8
1. Remove the left cover. See “ADF motor
side cover removal” on page 4-212.
2. Check the cabling (scanner MDC card to
scanner ICC card) (A).
Is the cable damaged?
Replace the ICC card. See
“Scanner ICC card
removal” on page 4-258
Replace the cable. See
“UICC cable removal” on
page 4-188.
Step Questions / actions Yes No
1 1. Check if the scanner lock is set to unlock.
2. Check the condition of the CCD module.
3. Check the condition of the carriage
transport belt.
4. Check if there is something that would
cause the CCD module to be obstructed.
Is the CCD path free of obstruction and
damage?
Go to step 2. Clear obstruction or
reinstall parts that are
dislodged.
2
1. Check the LVPS connection on the
system card, JLVPS1 and JLVPS2 for
proper connection.
2. Reseat cables and check the voltages on
on the JLVPS2 connectors:
- Red cable = 5V
- Yellow cable = 24V.
3. Check the voltages on JLVPS1:
- Yellow cable = 24V.
Are these voltages present?
Go to step 3. Replace the LVPS. See
“Low-voltage power
supply (LVPS) removal”
on page 4-115.
Step Questions / actions Yes No

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Lexmark X746de Specifications

General IconGeneral
Duplex printingYes
Print technologyLaser
Resolution color2400 x 600 DPI
Maximum resolution1200 x 1200 DPI
Time to first page (black, normal)9 s
Print speed (black, normal quality, A4/US Letter)35 ppm
Duplex print speed (black, normal quality, A4/US Letter)23 ppm
Copier resize25 - 400 %
Maximum copy resolution- DPI
Time to first copy (black, normal)13 s
Time to first copy (color, normal)13.5 s
Copy speed (black, normal, US Letter)35 cpm
Scan toImage
Scanner typeFlatbed & ADF scanner
Maximum scan area216 x 356 mm
Duplex scan speed (color)12 ppm
Optical scanning resolution600 x 600 DPI
FaxingColor faxing
Modem speed33.6 Kbit/s
Fax transmission speed3 sec/page
Digital sender-
Maximum duty cycle100000 pages per month
Recommended duty cycle3000 - 10000 pages per month
Number of print cartridges2
Page description languagesMicrosoft XPS, PCL 5e, PCL 6, PDF 1.6, PostScript 3, PPDS, XHTML
Security featuresMD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS, IPSec, SNMPv3
Security algorithms802.1x RADIUS, SSL/TLS
Authentication method802.1x
Mobile printing technologiesApple AirPrint
Supported network protocols (IPv4)TCP/IP, AppleTalk
Supported network protocols (IPv6)TCP/IP, TCP, UDP
Finishing optionNo
Maximum internal memory1536 MB
Sound power level (standby)34 dB
Sound pressure level (copying)59 dB
Sound pressure level (scanning)54 dB
Sound pressure level (duplex printing)58 dB
Paper input typePaper tray
Total input capacity650 sheets
Total output capacity250 sheets
Maximum input capacity4300 sheets
Maximum number of input trays6
Multi-Purpose tray input capacity100 sheets
Auto document feeder (ADF) input capacity50 sheets
Envelopes sizes7 3/4, 9, 10, B5, C5, DL
Maximum print size216 x 297 mm
Paper tray media typesCard stock, Envelopes, Labels, Plain paper, Transparencies
Non-ISO print media sizesExecutive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size), Oficio (media size), Statement (140 x 216mm)
ISO A-series sizes (A0...A9)A4, A5, A6
JIS B-series sizes (B0...B9)B5
Maximum ISO A-series paper sizeA4
Paper tray media weight (imperial)16 - 58 lbs
Control typeTouch
Product colorBlack, White
Display diagonal7 \
Market positioningBusiness
Standard interfacesEthernet, USB 2.0
Optional connectivityParallel, Serial (RS-232), Wireless LAN
USB 2.0 ports quantity3
Power consumption (average operating)- W
Sustainability certificatesENERGY STAR
CertificationCAN/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
Package depth670 mm
Package width730 mm
Package height1043.94 mm
Package weight61688.6 g
Operating altitude0 - 3048 m
Operating temperature (T-T)16 - 32 °C
Operating relative humidity (H-H)8 - 80 %
Weight and Dimensions IconWeight and Dimensions
Depth622.3 mm
Width546.1 mm
Height787.4 mm

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