Muelle ADF Brother

When your Brother multifunction printer's automatic document feeder (ADF) starts jamming or fails to pick up pages, a worn or broken spring is often the culprit. This genuine Brother ADF spring (LF3754001) is the exact replacement part needed to restore reliable document feeding in compatible Brother printers, scanners, and all-in-one devices. Used by service technicians and DIY repair enthusiasts alike, this small but critical component provides the necessary tension for paper guides, rollers, and covers within the ADF mechanism.

Key specifications

• Part type: Mechanical spring (torsion or extension)
• Application: Automatic Document Feeder (ADF) mechanism
• Function: Provides tension and return force for ADF components
• Material: High-grade spring steel (stainless steel or music wire)
• Wire diameter: approx. 0.4 mm
• Outer diameter: approx. 6 mm
• Free length: approx. 12 mm
• Number of coils: approx. 8-12
• Finish: Plain or lightly oiled
• Colour: Metallic silver/grey
• Weight: less than 1 gram
• OEM part: Yes (genuine Brother component)

Why choose it

As an original Brother part, this spring is manufactured to exact specifications, ensuring perfect fit and long-term durability. Unlike generic substitutes, it maintains the precise tension required for smooth paper feeding, reducing the risk of misfeeds and paper jams. Professional installation is recommended due to its small size, but with basic tools and care, it can be replaced by a confident user.

Ideal use cases

• Replacing a broken or lost ADF spring in Brother printers
• Restoring proper paper feed in high-volume scanning environments
• Preventive maintenance for aging ADF units
• Repairing ADF paper guides, rollers, or cover mechanisms

Good to know

This spring is sold individually and may be packaged in bulk or a small polybag. It is compatible with various Brother ADF assemblies; please verify your printer model's parts list before ordering. Keep out of reach of children due to small size.