Diagnostic information 2-43
5058-030
115.12 Single LED printhead communication failure
115.13 Multiple LED printhead clock failure
Step Action and questions Yes No
1 Check the LED printhead for
proper installation.
Is the LED Printhead properly
installed?
Go to step 2. Install the LED printhead
properly.
2
Check the LED printhead for
proper connections.
Is the above component
properly connected?
Replace the LED printhead. Go to
“LED printhead removal” on
page 4-96.
Go to step 3.
Replace the connections.
3
Replace the printhead flat data
cable
Does the error remain?
Go to step 4. Problem resolved
4
Replace the printhead interface
contact.
Does the error remain?
Go to step 5. Problem resolved
5
Check the PC/developer drive
motor assembly.
Is the above component
properly installed?
Go to step 6. Replace connections and re-
install the PC/developer drive
motor assembly.
6
POR the machine.
Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA
removal” on page 4-98.
Go to step 7.
Problem resolved
7
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
1 Check the LED printhead for
proper connections.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the printhead interface
contact.
Does the error remain?
Go to step 3. Problem resolved
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