I have an error message that reads: Replace Black PCU. What is a Black PCU, where is is, and how do I go about replacing? The printer originally quit working, when this message appeared, but once I turned the printer off and restarted it is now printing, but the message is still there.
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my printer just starting showing function error SC899 with the instructions to turn off and restart. Well I have done that and the error message keeps appearing, any suggestion of what it might be and what I can do to fixes the problem?
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