Lexmark CX310 Service Manual

Actions Yes No
Step 9
Properly connect all the connections.
Did the 840.xx error reoccur?
Go to step 10. The problem is solved.
Step 10
Replace the flatbed unit. See
“Flatbed scanner assembly removal” on
page 333.
POR the machine into Configuration menu > Disable scanner. From there,
select Enabled to change the settings to re‑enable the scanner module
and then save the setting.
POR the MPF to operating mode. Try running a copy from the ADF and
flatbed.
Did the 840.xx error reoccur?
Go to step 11. The problem is solved.
Step 11
Replace the controller board. See
“Controller board removal” on
page 309.
Does this solve the problem?
The problem is solved. Contact the next level
of support.
ADF service check
Action Yes No
Step 1
Check all cables connecting the ADF and flatbed to the controller board.
Are they properly connected?
Go to step 3. Go to step 2.
Step 2
Re-connect the cables to the controller board.
Did this fix the problem?
The problem is solved. Go to step 3.
Step 3
a Enter diagnostics mode and navigate to:
SCANNER TESTS >Sensor Test
Perform the scanner sensor tests.
b Navigate to:
SCANNER TESTS > Motor Tests
Perform the scanner sensor and motor tests.
Did any test fail?
Go to step 4. Go to step 8.
Step 4
Did the Flatbed Home Sensor test, or Flatbed motor test fail?
Go step 5. Go to step 6.
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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)