There is a rubber seal between the ink box and the nozzle to ensure that the ink does not leak. The seal after repeated removal or long-term use will be aging, sealing effect will be worse , The ink will flow out of the joint,and the ink will be mixed in the nozzle, resulting in the color mixed of the bottom, print pattern discolored, needed multiple print operations so that the color was back to normal, which led to ink waste and waste ink i go antap.
