Lexmark CX310 Service Manual

Actions Yes No
Step 1
Is the phone line properly connected to the modem card and the wall jack?
Go to step 2. Go to step 3.
Step 2
Properly connect the phone line to the modem card and wall jack.
Did this fix the problem?
Problem resolved Go to step 3.
Step 3
Test the phone line’s ability to send and receive calls.
Did the phone line work properly?
Go to step 5. Go to step 4.
Step 4
Use the MFP on a properly functioning phone jack.
Did this fix the problem?
Problem resolved. Go to step 5.
Step 5
Is the phone line being used by the MFP an analog line?
Go to step 8. Go to step 6.
Step 6
Is the line being used a VOIP line?
Go to step 7. Go to step 8.
Step 7
Have the system administrator verify that the VOIP server is configured
to receive faxes.
Is the server properly configured?
Go to step 8. Stop here. The issue is
VOIP related. The VOIP
provider needs to
change the server
configuration.
Step 8
Is the MFP on a PABX?
Go to step 9. Go to step 10.
Step 9
Enable Behind a PABX under fax settings in the Administration menu.
Did this fix the issue?
Problem fixed. Disable Behind a
PABX, and go to step
10.
Step 10
Is a dial prefix needed to get an outside line?
Go to step 11. Go to step 12.
Step 11
Try sending a fax using a dial prefix.
Did the fax transmit?
Problem fixed. Go to step 12.
Step 12
Is the fax failing to send to one specific destination?
Go to step 13. Go to step 14.
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Diagnostic information
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Lexmark CX310 Specifications

General

Print Technology	Laser
Scan Technology	CIS
Scan Resolution	Up to 600 x 600 dpi
Duplex Printing	Manual
Display	2.4-inch color LCD
Processor Speed	800 MHz
Standard Memory	256 MB
Fax Speed	33.6 Kbps
Operating System Compatibility	Windows, Mac OS, Linux
Print Resolution	Up to 600 x 600 dpi
Connectivity	USB, Ethernet
Standard Paper Input	250 sheets
Scanner Type	Flatbed, ADF
Fax Resolution	300 x 300 dpi
Paper Capacity	250 sheets
Network Connectivity	Ethernet
Copy Speed	Up to 22 cpm (black), Up to 18 cpm (color)