Summary: Error 41 is the "print head up the creek" message which came on within 6 months of purchase. The engineer changed the head and as one previous reviewer has already pointed out, this is a KNOWN FAULT to Brother. He duly changed the head to a new one (new?!!) which lasted another 3 months and then died the same way. Hit by the Error 41 plague. Brother should not be permitted to get away with producing sub-standard goods but unfortunately they will!