Front Upper Cooling Fan Failure; Lvps Sub Cooling Fan Failure; Rear Left Lower Cooling Fan Failure - Lexmark X95x series Service Manual

172.01 Front upper cooling fan failure

Step Action and questions
Check the front upper cooling fan.
1
Is the above component
properly connected?
Replace the front upper cooling
2
fan. Go to
"Front upper cooling
fan removal" on page
Does the error continue?
POR the machine.
3
Does the error continue?

173.01 LVPS sub cooling fan failure

Step Action and questions
Check the LVPS sub cooling fan.
1
Is the above component
properly connected?
Replace the LVPS sub cooling
2
fan. Go to
"LVPS sub cooling
fan removal" on page
Does the error continue?
POR the machine.
3
Does the error continue?

174.01 Rear left lower cooling fan failure

Step Action and questions
Check the charge roll HVPS
1
cooling fan.
Is the above component
properly connected?
Replace the charge roll HVPS
2
cooling fan. Go to
HVPS cooling fan removal" on
page 4-38.
Does the error continue?
Yes
Go to step 2.
Go to step 3.
4-82.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page
Yes
Go to step 2.
Go to step 3.
4-115.
Replace the lower engine PCBA.
Go to
"Lower engine PCBA
removal" on page
Yes
Go to step 2.
Go to step 3.
"Charge roll
No
Replace the connections.
Problem resolved
Problem resolved
4-186.
No
Replace the connections.
Problem resolved
Problem resolved
4-104.
No
Replace the connections.
Problem resolved
Diagnostic information
7558-xxx
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