Lexmark CX923 User Manual

Can receive but not send faxes
Action Yes No
Step 1
Load the original document properly into the ADF tray or on the
scanner glass.
Can you send faxes?
The problem is
solved.
Go to step 2.
Step 2
Set up the shortcut number properly.
• Check if the shortcut number is set for the telephone number
that you want to dial.
• Dial the telephone number manually.
Can you send faxes?
The problem is
solved.
Contact
customer
support.
Can send but not receive faxes
Action Yes No
Step 1
Make sure that the paper source is not empty.
Can you receive faxes?
The problem is
solved.
Go to step 2.
Step 2
Check the ring count delay settings.
From the control panel, touch Settings > Fax > Fax Setup > Fax
Receive Settings > Rings to Answer.
Can you receive faxes?
The problem is
solved.
Go to step 3.
Step 3
If the printer is printing blank pages, then see
“Blank or white
pages” on page 235.
Can you receive faxes?
The problem is
solved.
Contact
customer
support.
Troubleshooting 260

Lexmark CX923 Specifications

General

Printing colors	Black, Cyan, Magenta, Yellow
Duplex functions	Fax, Print, Scan
Country of origin	China
Maximum duty cycle	250000 pages per month
Recommended duty cycle	7000 - 50000 pages per month
Number of print cartridges	-
Control type	Touch
Product color	Black, Grey
Built-in display	Yes
Display diagonal	10 \
Market positioning	Business
Print technology	Laser
Resolution color	1200 x 1200 DPI
Maximum resolution	- DPI
Time to first page (black, normal)	5.2 s
Time to first page (color, normal)	6.1 s
Print speed (black, normal quality, A4/US Letter)	55 ppm
USB connector	USB Type-A / USB Type-B
Optional connectivity	Fiber, Near Field Communication (NFC), Serial (RS-232), Wireless LAN
USB 2.0 ports quantity	5
Cabling technology	10/100/1000Base-T(X)
Security algorithms	IPSec, TLS, TTLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Supported network protocols (IPv4)	TCP/IP IPv4
Supported network protocols (IPv6)	TCP/IP IPv6
Internal memory	2048 MB
Processor cores	4
Processor frequency	1200 MHz
Maximum internal memory	4096 MB
Sound pressure level (copying)	56 dB
Sound pressure level (standby)	29 dB
Sound pressure level (printing)	52 dB
Sound pressure level (scanning)	53 dB
Sound pressure level (duplex printing)	54 dB
Copier resize	25 - 400 %
Time to first copy (black, normal)	4.9 s
Time to first copy (color, normal)	5.8 s
Copy speed (black, normal quality, A4)	55 cpm
Power consumption (ready)	230 W
Power consumption (sleep)	2.78 W
Power consumption (copying)	1100 W
Power consumption (standby)	0.2 W
Power consumption (printing)	1075 W
Power consumption (scanning)	250 W
Energy Star Typical Electricity Consumption (TEC)	1.35 kWh/week
Scan to	E-mail, FTP, LDSS, PC, USB
Scanner type	Flatbed & ADF scanner
Maximum scan area	297 x 432 mm
Image formats supported	JPEG, JPG, TIFF
Document formats supported	PDF, XPS
Optical scanning resolution	600 x 600 DPI
Operating altitude	0 - 2500 m
Operating temperature (T-T)	10 - 30 °C
Operating relative humidity (H-H)	15 - 85 %
Faxing	Color faxing
Modem speed	33.6 Kbit/s
Fax transmission speed	3 sec/page
Package depth	911 mm
Package width	758 mm
Package height	1505 mm
Package weight	168000 g
Included cartridge capacity (CMY)	11500 pages
Included cartridge capacity (black)	18500 pages
Total input capacity	2150 sheets
Total output capacity	250 sheets
Maximum input capacity	5150 sheets
Paper tray 1 input capacity	500 sheets
Envelopes sizes	7 3/4, 9, 10, B5, C5, DL
Paper tray media weight	60 - 256 g/m²
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size), Oficio (media size), Statement (140 x 216mm), Super Tabloid (media size), Universal
ISO A-series sizes (A0...A9)	A3, A4, A5, A6
JIS B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A3
Multi-Purpose Tray media weight	60 - 300 g/m²

Weight and Dimensions

Depth	792 mm
Width	615 mm
Height	1225 mm
Weight	134500 g