Lexmark OptraImage SC 1275 Service Manual - Page 74
Lexmark OptraImage SC 1275 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