In normal use, an entire section of air appears in an inking line. â—‡ In normal use, each inking line is filled with air.
Solution:
As mentioned above, there is a small amount of air in the upper part of the print cartridge connected to the continuous ink supply system, in order to avoid the phenomenon of ink self-flow caused by the siphon principle. If you see some small air bubbles in the inking line, don't worry, they will be absorbed by the air layer in the upper part of the print cartridge, which is normal.
The air layer on the upper part of the ink cartridge will expand or contract with the change of the indoor air temperature. If the printer is not in use, if the ink line at the interface with the print cartridge does not exceed 150 mm, this is due to the air layer. It is a normal phenomenon caused by expansion. However, if there is an air section in the entire inking line, this is caused by the air leak in the ink tank or the unsealing of the ink jet elbow interface.
If there is a full section of air in one of the inking lines, check the seal at the interface between the injecting elbow and the print cartridge. You can remove the ink-filled elbow and check it, then plug it in again. If each inking line is full of air, check the print cartridge for leaks and replace the cartridge (in most cases the cartridge label is not sealed)
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