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915 service motor error - Lexmark W840 Printer

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The error means that the printer is detecting that there is Fuser cooling fan failure. Check if the fuser cooling fan is installed properly. If it is, check the fuser cooling fan for operation. Follow the steps below:

1. Enter Diagnostics mode.
2. Select MOTOR TESTS.
3. Select Fuser cooling fan.

Does the fuser cooling fan RPM increase? If yes, perform a print test, and if the error continue, replace the printer engine card assembly. If no, check the fuser cooling fan for proper connection.

Posted on Nov 30, 2012


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