Malyan MA21 Print Head 40mm Fan Upgrade
Description
This is an upgraded print head for the Malyan MA21 Belt printer, or any of the Sainsmart belt printers that share it's parts / dimensions. My Malyan MA21 kept cooking the bearings of the 30mm fan right behind the hot end fins, so I designed a new printer head unit that incorporates a 40mm fan with internal air guide to function as good if not better than the original set up. This Printer Head Upgrade for the Malyan MA21 belt printer removes the 30mm fan from behind the hot end fins and replaces it with a 40mm fan that blows over the fins using the stock hole from the 30mm fan as an exhaust port.
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