The Xracingmoto RC4-3245 Duplex Unit Paper Re-Pick Assy RM2-5666 is designed for maximum compatibility and performance. Its durable construction ensures reliable feeding of paper in various designs from M402 to M527, making it compatible with a wide range of RC printers. The RM2-5666 unit is compatible with M402, M403, M404, M405, M426, M427, M428, M429, M501, M506, and M527 printers, enabling seamless integration. The Xracingmoto RC4-3245 offers excellent paper retention, preventing jams and prolongs the printer's lifespan. With its affordable price, this accessory is an excellent value for RC enthusiasts, hobbyists, and professionals looking to maintain their printer's efficiency without breaking the bank.