Factory tested before shipment: Each set of accessories undergoes thorough testing on the production line to ensure reliable performance. Manual assembly line and machine testing help deliver product output. There may be minor imperfections or deviations when you receive the product; this is normal and does not affect printer operation. Commitment to continuous improvement: We continually strive to enhance the quality of our products to better meet your printing needs. Reliable aftersales support: Provide efficient aftersales assistance to resolve your questions or issues to your satisfaction. Simple installation with safety in mind: Installation is straightforward. Please exercise care during installation and cut off power before connecting or replacing components. Compatibility and performance: Designed to work with standard printers, providing dependable performance and durability for routine use. What you get: Each set includes the essential accessories needed for installation and operation, ready for quick setup. Practical use scenarios: Routine maintenance: worn or depleted accessories to maintain consistent print quality and minimize downtime. Printer upgrade or refresh: Use with existing printers to restore performance and extend service life. Small or home studio use: Stock up on replacement accessories to keep production flowing and reduce delays.