Troubleshooting a Janome Sewing Machine (Fix & Repair Guide)

Part 2 of the Juki 781 Buttonhole Sewing Machine Upper Thread Trimmer Mechanism – explained by Rafiqul Engineering. The automatic thread trimmer is essential for smooth buttonhole operation. If not set properly, it causes uncut threads, long tails, or thread jamming. 🧵 In This Video, You’ll Learn: How the upper thread trimming mechanism works in Juki 781 Step-by-step setup & adjustment process Checking the knife movement, spring tension, and timing Common trimming problems and their solutions P

Sewing machine tension guide: everything you need to know about bobbin tension