Fill cartridge with ink then
Damp paper towel with RO water or distilled water and leave cartridge printhead on it overnight. Gentle centrifuge to remove remainder of ink. Clean print head and nozzles with atomization spray follow by suction syringe. Fill in vaccuum chamber (that could be...
SME CBR Shop Tester 100 is the best testing equipment we know. It test electrically and print test showing all nozzles. Our customers love it when they receive a test print indicating the quality of our system. We include the test print strip with every cartridge we refill.