The manual provides operating instructions, specifications, and maintenance guidance for Brother S-7200B and S-7220B direct‑drive sewing machines.
This user manual explains how to set up, operate, and maintain the Brother S-7200B and S-7220B computer‑direct‑drive sewing machines. It covers key features such as low‑noise AC servo motors, oil‑free shuttle options, and the optional needle‑feed function on the S‑7220B.
The guide includes detailed specifications, safety precautions, and troubleshooting tips, helping users achieve high‑quality stitching on thin, medium‑weight, and thick fabrics while benefiting from energy‑saving design. This manual is written in Chinese.
| Maximum sewing speed | 5,000 rpm |
|---|---|
| Machine head weight | 44 kg |
| Power supply (single‑phase) | 100‑120 V |
| Motor power | 450 W |
| Shuttle oil requirement | Oil‑free (no oil needed) |
The machines can sew up to 5,000 rpm.
No, the shuttle is oil‑free and does not require lubrication.
The S‑7220B adds a needle‑feed function that moves the fabric together with the needle, reducing stitch misalignment on smooth or layered fabrics.