Flatbed Motor Service Check; Flatbed Home Position Service Check - Lexmark CX310 Service Manual

Actions
Step 3
Run a flatbed copy.
Is it blank or black?
Step 4
Did the sheet feed into the ADF?
Step 5
Is the CCD ribbon cable properly connected to JCCD1 on the controller
board?
Step 6
Check for +14VDC on Pin 33 and 34 on connector JCCD1. Pin 31 and 32
are +5VDC. Are the voltages present?

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
211.
Is the sensor working properly?
"Scanner tests" on page
Diagnostic information
146
Yes No
Go to step 5. Go to step 4.
Go to step 6. Go to step 5.
Go to step 6. Properly connect the
ribbon cable to JCCD1.
Replace the flatbed Replace the controller
unit. See "Flatbed board. See
scanner assembly board removal" on
removal" on page page
333.
Yes No
Go to step 2. Properly connect the
cable.
Replace the flatbed Replace the controller
unit. See "Flatbed board. See
scanner assembly board removal" on
removal" on page page
333.
Yes No
Problem solved. Go to step 2.
Go to step 3. Go to step 5.
7527
"Controller
309.
"Controller
309.