The Brother XR3774 is a versatile, full-featured sewing machine designed for a wide range of sewing projects. It offers 37 built-in stitches, an automatic needle threader, a drop-in bobbin system, a wide table for larger projects, and a one-step buttonhole function. This manual covers essential safety information, machine features, setup, operation, maintenance, and troubleshooting to help you get the most from your machine.
Key components: Main body with stitch selection dial, Bobbin winding system, Automatic needle threader, Drop-in bobbin, Wide extension table, Built-in LED light, Foot pedal, and accessory storage.
| Feature | Description |
|---|---|
| Built-in Stitches | 37 stitches including utility, decorative, and heirloom |
| Automatic Needle Threader | Easily threads the needle with a lever mechanism |
| Drop-in Bobbin System | Top-loading, jam-resistant bobbin system with clear cover |
| Wide Extension Table | Provides extra workspace for larger projects like quilts |
| One-Step Buttonhole | Automatically creates a buttonhole of the correct size in one step |
| LED Work Light | Brightens the sewing area for better visibility |
| Free Arm | Converts for sewing cylindrical items like sleeves and cuffs |
| Stitch Length/Width Dial | Adjusts stitch dimensions for custom results |
| Speed Control Slider | Limits maximum sewing speed for better control |
| Reverse Stitch Lever | Secures the beginning and end of seams |
Unpack all components carefully. Place the machine on a stable, flat surface.
WARNING! Keep fingers away from the needle area during setup and operation. Ensure the machine is unplugged when threading or changing accessories.
Power on the machine using the main power switch; the LED light will illuminate.
CAUTION! Always lower the presser foot before sewing. Start sewing at a slow speed to maintain control.
Access all functions via the control panel and dials on the machine body. Main Power Switch: Turns machine power on/off. Stitch Selection Dial: Selects from 37 stitch patterns. Stitch Length Dial: Adjusts from 0-4 mm. Stitch Width Dial: Adjusts from 0-7 mm. Reverse Stitch Lever: Hold to sew in reverse. Speed Control Slider: Limits maximum sewing speed.
Presser Feet: Quick-change system for attaching different feet (e.g., zigzag foot, buttonhole foot, zipper foot). Automatic Needle Threader Lever: Pull down to thread the needle automatically. Bobbin Winding Spindle & Tension Disc: For winding the bobbin. Handwheel: Manually raises/lowers the needle.
Use the stitch selection dial to choose your pattern. Refer to the stitch chart on the machine.
Tip: Always match your needle and thread type to your fabric for best results.
Proper threading is essential for smooth operation.
WARNING! Ensure the presser foot is raised when threading the upper thread to allow the thread to seat properly in the tension discs.
Unplug the machine before any maintenance. Regularly clean lint and dust from the bobbin area and feed dogs using the provided brush.
CAUTION! Never use compressed air to clean the machine as it can force lint deeper into the mechanism. Do not immerse the machine in water.
The machine includes a comprehensive set of accessories stored in the accessory compartment.
| Accessory | Use |
|---|---|
| Zigzag Foot (on machine) | General sewing |
| Buttonhole Foot | Creating one-step buttonholes |
| Zipper Foot | Sewing zippers and piping |
| Button Sewing Foot | Attaching buttons |
| Narrow Hemmer Foot | Creating narrow rolled hems |
| Blind Stitch Foot | Sewing blind hems |
| Overcasting Foot | Preventing fabric edges from fraying |
| Bobbin (x4) | Holds the lower thread |
| Needles (Assorted) | Universal and ballpoint needles for different fabrics |
| Seam Ripper/Brush/Screwdriver | For maintenance and adjustments |
This sewing machine is designed for household use. Always follow these safety guidelines.
For support, visit www.brother-usa.com or contact Brother customer service.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Machine does not run | Power cord not connected; main switch off | Plug in power cord; turn main switch to "I". |
| Needle breaks | Incorrect needle installation; bent needle; wrong needle for fabric | Reinstall needle correctly (flat side back); replace needle; use correct needle type. |
| Thread bunches underneath | Bobbin threaded incorrectly; upper tension too tight | Re-thread bobbin (counterclockwise); reduce upper thread tension. |
| Skipped stitches | Dull/bent needle; wrong needle/thread/fabric combo | Replace needle; ensure needle and thread are suitable for fabric. |
| Uneven feeding | Feed dogs lowered; presser foot pressure incorrect | Raise feed dogs (check lever); adjust presser foot pressure if available. |
| Automatic needle threader not working | Needle not in highest position; thread not in hook | Turn handwheel to raise needle to highest position; ensure thread is seated in the thread guide hook. |
Reset: Turn machine off, unplug for 60 seconds, then restart. Consult manual for specific function resets.
Service: For repairs, contact an authorized Brother service center. Do not attempt to disassemble the machine yourself.