@franc30948 printers are just a totally different beast to fix. Just like anything else, use a systematic approach. So start with this flowchart
[image|3108131]
Now, to actually work on it and to narrow it down, You can download the SM from the bottom of this page [[Topic:Brother HL-3140CW]]
While you work on your printer, take lots of pictures. Once you are done with it, take those pictures and create a guide for iFixit. That will help the next person that has the same problem as you do. It's easy and fun to create these guides. https://ifixit.com/Guide/new The iFixit community will appreciate this.
Repair is War in Entropy!
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