Lexmark C950 - Front Right Cooling Fan Failure; Pc;Developer Drive Motor Cooling Fan Failure; Front Left Cooling Fan Failure; Go Back

2-72 Service Manual
5058-030
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175.01 Front right cooling fan failure
175.03 PC/developer drive motor cooling fan failure
175.04 Front left cooling fan failure
Step Action and questions Yes No
1 Check the front right cooling fan.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the front right cooling
fan. Go to
“Front right cooling
fan removal” on page 4-83.
Does the error continue?
Go to step 3. Problem resolved
3
POR the machine.
Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA
removal” on page 4-98.
Problem resolved
Step Action and questions Yes No
1 Check the PC/developer drive
motor cooling fan.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the PC/developer drive
motor cooling fan. Go to “PC/
developer drive motor cooling
fan removal” on page 4-139.
Does the error continue?
Go to step 3. Problem resolved
3
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 front left cooling fan.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the front left cooling fan.
Go to
“Front left cooling fan
removal” on page 4-81.
Does the error continue?
Go to step 3. Problem resolved