Action Yes No
Step 6
Check the jam access cover if it is blocking the input sensor.
Is it blocking the input sensor?
Replace the jam access
cover. See “Jam access
cover removal” on
page 181
Go to step 7.
Step 7
Check the input sensor cable for proper connection to the controller
board.
Is it properly connected?
Go to step 8. Reseat the cable.
Step 8
Check the input sensor.
Is it free of damage?
Go to step 9. Replace the input
sensor. See “Duplex
sensor and input
sensor removal” on
page 193.
Step 9
Does the error remain?
Contact the next level
of support.
The problem is solved.
Sensor (input) jam service check
Action Yes No
Step 1
Check the LSU cables for proper connection.
Are they properly connected to the LSU and to the controller board?
Go to step 2. Reseat the cables.
Step 2
Inspect the LSU cables and connectors.
Are they free of damage?
Go to step 3. Replace the LSU. See
“Laser scanning unit
(LSU) removal” on
page 212.
Step 3
Check the input sensor cable for proper connection to the controller
board.
Is it properly connected?
Go to step 4. Reseat the cable.
Step 4
Check the input sensor.
Is it free of damage?
Go to step 5. Replace the input
sensor. See “Duplex
sensor and input
sensor removal” on
page 193.
Step 5
Check the controller board for any damage.
Is it free of damage?
Go to step 6. Replace the controller
board. See “Controller
board removal” on
page 162.
4514-220, -230
Diagnostic information
65
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