Flatbed home position service check
Actions Yes No
Step 1
POR the MFP.
Does the CCD move and return to the home position?
The problem is solved. Go to step 2.
Step 2
Perform the home position sensor test. See “Scanner tests” on page
169.
Is the sensor working properly?
Go to step 3. Go to step 5.
Step 3
Check JFBM1 on the controller for proper connection.
Is it connected properly?
Go to step 4. Properly connect the
cable.
Step 4
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?
Go to step 5. Replace the controller
board. See “Controller
board removal” on
page 231.
Step 5
Ensure that the home position cable (JHOME1) is connected.
Is the cable connected?
Go to step 6. Properly connect the
cable.
Step 6
Check pin 1 in JHOME1 for voltage. The voltage should measure +5V DC.
Pin 2 should be GND.
Is voltage present and is it correct?
Replace the flatbed.
See “Flatbed assembly
removal” on page
328.
Replace the controller
board. See “Controller
board removal” on
page 231.
Flatbed legal scan service check
Action Yes No
Step 1
Check the JPLEN1 connector on the controller board for proper
connection.
Is it properly connected?
Go to step 3. Go to step 2.
Step 2
Re-connect the cable to the controller board.
Did this fix the problem?
The problem is solved. Go to step 3.
7015
Diagnostic information
132
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