Carbon Brush， Compatible For Roland，for FJ-740 FJ-540 SJ-740 SJ-540 Scan Motor Brush Printer Motor Spare Parts 2pcs

Improve power: After replacing the carbon brush, the original power performance of the machine can be restored, and the performance deficiency caused by the wear of the carbon brush can be solved. Impact resistance: The carbon brush has a sturdy structure and has a certain impact resistance, which can adapt to the vibration environment when the vacuum cleaner is working. Improve efficiency: Use high-purity graphite to reduce resistance loss and improve equipment operation efficiency. Long service life: Longer service life than ordinary carbon brushes, reducing replacement frequency. Carbon brush， Compatible for Roland，for FJ-740 FJ-540 SJ-740 SJ-540 scan motor brush printer motor spare parts 2pcs