Ccd Service Check; Flatbed Motor Service Check; Flatbed Home Position Service Check - Lexmark CX310n Service Manual

CCD service check

Actions
Step 1
Restart the device, and retry the scan / copy job. Repeat this step with a
few copy jobs.
Does the error return?
Step 2
Is the CCD ribbon cable properly connected to JCCD1 on the controller
board?
Step 3
Replace the flatbed unit. See
page 252.
Did this resolve the issue?

Flatbed motor service check

Actions
Step 1
Ensure that the flatbed motor cable (JFB1) is connected.
Is the cable connected?
Step 2
Check pin 1 in JFBM1 for voltage. The voltage is only present when a
flatbed copy job is running. The voltage should measure +24V AC.
Is voltage present?

Flatbed home position service check

Actions
Step 1
POR the MFP.
Does the CCD move and return to the home position?
Step 2
Perform the home position sensor test. See
183.
Is the sensor working properly?
"Flatbed scanner assembly removal" on
"Scanner tests" on page
Diagnostic information
Yes
Go to step 2.
Go to step 3.
Problem resolved.
Yes
Go to step 2.
Replace the flatbed
unit. See "Flatbed
scanner assembly
removal" on page
252.
Yes
Problem solved.
Go to step 3.
137
7527
No
No issue.
Properly connect the
ribbon cable to JCCD1.
Replace the controller
board. See "Controller
board removal" on
page 239.
No
Properly connect the
cable.
Replace the controller
board. See "Controller
board removal" on
page 239.
No
Go to step 2.
Go to step 5.