Lexmark C950 - 112.04 LED Printhead (C) Signal Failure; LED Printhead (M) Failure

Diagnostic information 2-35
5058-030
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112.02-112.04 LED printhead (C) signal failure
113.01 LED printhead (M) failure
2 Check the event log for the
history of errors that occurred
1. Enter the Diagnostics Menu.
2. Navigate to EVENT LOG.
3. Touch Display Event Log.
Has any connection-related
errors occurred?
Go to step “112.02-112.04 LED
printhead (C) signal failure” on
page 2-35.
Replace the LED Printhead (C).
Go to “LED printhead removal”
on page 4-96.
Step Action and questions Yes No
1 Check the LED printhead.
Is the above component
properly connected?
Go to step 2. Replace the connections.
Replace the printhead flat data
cable.
2 Replace the LED printhead.
Go to “LED printhead removal”
on page 4-96.
Does the error remain?
Go to step 3. Problem resolved
3 Replace the printhead interface
contact.
Does the error remain?
Go to step 4. Problem resolved
4
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 (M) for
proper installation.
Is the LED printhead (M)
properly installed?
Go to step 2. Install the LED printhead (M)
properly.
2 Check the event log for the
history of errors that occurred.
1. Enter the Diagnostics Menu.
2. Navigate to EVENT LOG.
3. Touch Display Event Log.
Has any connection-related
errors occurred?
Go to step “113.02-113.04 LED
printhead signal failure (M)” on
page 2-36.
Replace the LED Printhead (M).
Go to “LED printhead removal”
on page 4-96.
Step Action and questions Yes No