· Professional replacement bushing D149-3241/D149-3242, fully compatible with Ricoh MPC3003, C3503, C4503, C5503, C6003 color copiers. 1:1 OEM precise size, no trimming or modification needed for quick installation.· Upgraded self-lubricating wear-resistant material effectively prevents shaft abrasion and loose clearance caused by long-term operation, avoiding expensive developer unit replacement.· Tight sealing structure solves core problems of toner leakage and powder flying, protects internal sensors and optical parts, reducing dirty prints, paper jams and machine error codes.· Perfectly fixes common faults of 03 series copiers such as uneven color density, vertical streaks and faint printing caused by shaking developer assembly, greatly improving printing quality.· High-temperature and anti-aging material maintains stable structure under continuous high-temperature working conditions, no deformation or cracking, eliminating abnormal machine noise and jitter.· Precise tolerance design ensures smooth rotation without resistance, guarantees normal developer circulation and powder supply, avoids toner accumulation and waste.· Dust-proof optimized structure prevents powder from penetrating the bushing gap, reducing stalling and wear aging, extending the service life of the whole developer unit.· Widely compatible with new and old machine versions, no compatibility conflicts or error codes after installation, ideal for equipment maintenance and renovation.· Each bushing undergoes strict dimension calibration and wear resistance test, uniform batch quality with ultra-low defective rate for bulk wholesale.· Cost-effective factory direct accessory, repairs imaging faults at low cost, perfectly replacing OEM parts and reducing long-term maintenance expenses for print shops and offices.
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