brother cs 770 sewing machine manual

The Brother CS 770 is a versatile, computerized sewing machine designed for a wide range of sewing projects. It features a wide array of built-in stitches, an automatic needle threader, a drop-in bobbin system, a large LCD screen, and a variety of presser feet for different techniques. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Main body with LCD screen, Free Arm, Bobbin Winding System, Presser Foot Holder, Handwheel, Stitch Selection Panel, and Foot Controller.

Installation & Setup

Unpack and inspect all contents. Place on a stable, flat surface.

1. Remove all packaging materials and protective covers.
2. Attach the Extension Table: Slide it onto the free arm until it clicks into place.
3. Connect the Foot Controller: Plug it into the designated port on the machine.
4. Connect the Power Cord: Plug the machine into a standard 120V AC outlet.
5. Install the Spool Pin and place your thread spool.

WARNING! Keep fingers away from the needle and moving parts during setup and operation. Ensure the machine is unplugged during initial assembly.

First-Time Use

Power on the machine; the LCD screen will illuminate.

1. Wind and Insert the Bobbin: Follow the diagram to wind thread onto the bobbin and place it in the bobbin case.
2. Thread the Upper Thread: Follow the numbered threading path on the machine, using the automatic needle threader for the final step.
3. Raise the Presser Foot and pull both threads under the foot and toward the back.
4. Select a Basic Stitch: Use the stitch selection buttons to choose a straight stitch.
5. Practice Sewing: Place fabric under the presser foot, lower the foot, and gently press the foot controller.

CAUTION! Always turn the handwheel toward you (counter-clockwise) to avoid timing issues. Never pull fabric while the needle is in it.

Specifications

• Model: Brother CS 770 Computerized Sewing Machine.
• Stitches: 70 built-in stitches, including 7 auto-size buttonholes.
• Max Sewing Speed: 850 stitches per minute.
• Stitch Width: Adjustable up to 7mm.
• Stitch Length: Adjustable up to 5mm.
• Needle Positions: Adjustable left, center, and right.
• Presser Feet: Includes zigzag foot, buttonhole foot, zipper foot, blind hem foot, and more.
• Display: Backlit LCD screen.
• Bobbin: Top drop-in, Class 15 type.
• Power Source: 120V AC, 60Hz.
• Warranty: 25-year limited warranty.

Controls and Functions

Access all functions via the control panel and LCD screen. Main Panel: POWER, START/STOP, REVERSE, NEEDLE UP/DOWN, STITCH SELECTION buttons.

LCD Screen: Displays selected stitch number, recommended presser foot, stitch length/width, and other settings.

Stitch Adjustment: Use +/- buttons to adjust stitch LENGTH and WIDTH. Utility Functions: BUTTONHOLER, THREAD CUTTER (if equipped), DROP FEED (for darning/free-motion). Memory: Can store custom stitch settings. Needle Threader: Lever on the left side of the needle bar.

Stitch Selection & Settings

Select stitches using the numbered buttons or the dial. Stitch categories are grouped (utility, decorative, quilting).

1. Press the stitch category icon if applicable.
2. Press the number buttons corresponding to your desired stitch.
3. The stitch icon and number will appear on the LCD.
4. Adjust the stitch length and width using the +/- buttons.
5. For buttonholes, attach the buttonhole foot, select the buttonhole style, and follow the on-screen prompts.

Tip: Refer to the stitch chart on the machine or in the manual for recommended fabric, thread, and presser foot for each stitch.

Basic Sewing Operations

Follow these steps for general sewing.

1. Prepare Fabric: Use appropriate needle and thread for your fabric type.
2. Select Stitch: Choose straight, zigzag, or other utility stitch.
3. Position Fabric: Place fabric under presser foot, aligning edge with seam guide.
4. Lower Presser Foot Lever.
5. Start Sewing: Press foot controller or START/STOP button.
6. Guide Fabric: Gently guide fabric without pulling or pushing.
7. Reverse: Press REVERSE button to sew a few stitches backward at beginning and end for reinforcement.
8. Finish: Raise needle, raise presser foot, and pull fabric to the back to cut threads.

WARNING! Always use the correct presser foot for the selected stitch. Do not sew over pins.

Advanced Functions

Buttonholes: One-step automatic buttonholes. Monogramming: Use alphabet stitches. Mirror Imaging: Create mirror images of decorative stitches. Twin Needle: For pintucks and decorative topstitching (requires twin needle and appropriate foot).

Care & Maintenance

Unplug the machine before any cleaning or maintenance.

1. Cleaning: Use the small brush provided to remove lint from the bobbin area and feed dogs. Wipe exterior with a soft, dry cloth.
2. Oiling: Refer to manual for specific oiling points; use only high-quality sewing machine oil.
3. Needle Replacement: Replace needle regularly (every 8-10 hours of sewing) or if bent/dull.
4. Storage: Cover the machine when not in use to prevent dust accumulation.

CAUTION! Never use compressed air to clean lint, as it can force debris into the mechanism. Do not immerse the machine in water.

Regulatory Information

FCC Compliance: This device complies with Part 15 of the FCC Rules. Copyright © Brother Industries, Ltd. All trademarks are the property of their respective owners. For support, visit www.brother-usa.com or contact Brother Customer Service at 1-877-888-5522.

Troubleshooting

Reset: Turn machine off and on again to reset computerized functions.

Service: 1-877-888-5522; www.brother-usa.com