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7558-xxx
Step
Action and questions
POR the machine.
5
Does the error continue?
115.04 Single LED printhead download failure
Step
Action and questions
Check the LED printhead for
1
proper connections.
Is the above component
properly connected?
Replace the LED printhead. Go to
2
"LED printhead removal" on
page
4-102.
Does the error remain?
Replace the printhead flat data
3
cable assembly.
Does the error remain?
Replace the printhead interface
4
contact.
Does the error remain?
POR the machine.
5
Does the error continue?
POR the machine.
6
Does the error continue?
115.05 Multiple LED printhead mismatch failure
Step
Action and questions
Check the LED printhead for
1
proper connections.
Is the above component
properly connected?
Replace the printhead interface
2
contact.
Does the error remain?
Service Manual
2-48
Yes
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page
4-187.
Yes
Go to step 2.
Go to step 3.
Go to step 3.
Go to step 4.
Replace the lower engine PCBA
card assembly.
Go to
"Lower engine PCBA
removal" on page
4-104.
Go to step 6.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page
4-187.
Yes
Go to step 2.
Go to step 3.
No
Problem resolved
No
Replace the connections.
Problem resolved
Problem resolved
Problem resolved
Problem resolved
Problem resolved
No
Replace the connections.
Problem resolved
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