Efficient after sales support We provide responsive after service to help ensure any issue you have is resolved to your satisfaction. performance Each accessory kit is tested before leaving the factory. Manual assembly line and machine testing ensure reliable performance. On receipt you may find ink residue, which is normal and does not affect printer operation. Thank you for your understanding. Commitment to quality improvement We continually strive to improve the quality of our products to meet your printing needs. printing head The printing head is made from safe and durable materials with a long service life. Note that using photo pigments is recommended to extend the life of the piezo nozzle. Use scenarios Replacing a worn or failed printing head in professional inkjet printers used for photography and art reproduction. Upgrading a commercial printing workflow that relies on reliable head performance for daily production. Maintenance and repairs in training facilities or hobbyist shops that require dependable head components and documented testing. Key attributes Function: printing head replacement and accessory kit for inkjet printers Performance: factory tested, assembled and tested to ensure reliability Material: safe and durable components Longevity: designed for a long service life Note: residual ink on arrival is normal and does not affect operation Compatibility: designed to align with standard printing head and piezo nozzle systems as described in the product details