Reverse polarity detection means (second channel) Inspection: second track polarity detection check, no glue reverse polarity. Sheet end detecting contact with the guide pin 1.5-2mm normal.
Antipole detection device (second way) spot check: check the second polarity detection, anti-polar not glue. The detection plate contact guide needle end 1.5-2mm is normal.
Spot check of reverse pole detection device (the second one): check the second polarity detection, and the reverse pole is not glued. It is normal for the test piece to contact the end of the guide pin 1.5-2mm.<br>