Lexmark 11C0200 Service Manual - Page 74

Lexmark 11C0200 - Optra SC 1275 Color Laser Printer Manual

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Printhead Cooling Fan Service Check FRU 1 • Printhead Cooling Fan Motor (M5) • Mechanical Controller Board (PWB-A) Action See if the printhead cooling fan motor (M5) rotates when the power is turned on. If it does, replace the mechanical controller board. If it does not, replace the fan motor. If you still have the problem, replace the mechanical controller board. Power Supply Cooling Fan Motor Service Check FRU 1 • Power Supply Cooling Fan Motor (M6) • Mechanical Controller Board (PWB-A) Action See if the power supply cooling fan motor (M6) rotates when the power is turned on. If it does, replace the mechanical controller board. If it does not, be sure the fan is plugged into the low voltage power supply. If this does not correct the failure, replace the fan motor. If you still have the problem, replace the mechanical controller board. Suction Fan Motor Service Check FRU 1 • Suction Fan Motor (M7) • Mechanical Controller Board (PWB-A) Action See if the suction fan motor (M7) rotates when the power is turned on. If it does, replace the mechanical controller board. If it does not, replace the fan motor. If you still have the problem, replace the mechanical controller board. Diagnostic Information 2-39

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Diagnostic Information 2-39
Printhead Cooling Fan Service Check
Power Supply Cooling Fan Motor Service Check
Suction Fan Motor Service Check
FRU
Action
1
•
Printhead
Cooling Fan
Motor (M5)
•
Mechanical
Controller
Board
(PWB-A)
See if the printhead cooling fan motor (M5) rotates
when the power is turned on. If it does, replace the
mechanical controller board. If it does not, replace
the fan motor. If you still have the problem, replace
the mechanical controller board.
FRU
Action
1
•
Power Sup-
ply Cooling
Fan Motor
(M6)
•
Mechanical
Controller
Board
(PWB-A)
See if the power supply cooling fan motor (M6)
rotates when the power is turned on. If it does,
replace the mechanical controller board. If it does
not, be sure the fan is plugged into the low voltage
power supply. If this does not correct the failure,
replace the fan motor. If you still have the problem,
replace the mechanical controller board.
FRU
Action
1
•
Suction Fan
Motor (M7)
•
Mechanical
Controller
Board
(PWB-A)
See if the suction fan motor (M7) rotates when the
power is turned on. If it does, replace the mechani-
cal controller board. If it does not, replace the fan
motor. If you still have the problem, replace the
mechanical controller board.