Lexmark CX310 Service Manual

Actions Yes No
Step 7
Replace the ADF. See
“ADF assembly removal” on page 326.
Does this fix the situation?
Problem solved. Replace the controller
board. See
“Controller
board removal” on
page 309.
Modem/fax card service check
Note: This service check should be used if the paper feeds and jams in the ADF. If the paper is not feeding into the
ADF see
“ADF feed errors service check” on page 148.
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 modem card ribbon cable properly connected to the system board
at JMOD2 and the modem card?
Go to step 7. Go to step 6.
Step 6
Properly connect the modem card cable to the modem card and system
board.
Did this fix the problem?
Problem resolved. Go to step 7.
Step 7
Check the modem card ribbon cable for continuity.
Is there continuity?
Go to step 8. Replace the modem
card cable.
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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)