Question about Minolta Office Equipment & Supplies
Generally speaking, the COF31 code would popped up when the machine was run with no toner. This caused the toner to carrier ratio to drop so low that even when you decided to put a new bottle of toner in the machine still could not recover. If that's what happened, your looking at doing a developer change.
Posted on Jul 13, 2009
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Posted on Jan 02, 2017
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