2.8 Ink Tank View
① Low ink alarming button: When the ink is low,the light will shinny to warn customer to add the ink
② White ink stirring button: To stir the white ink to let it smoothly flow
③ Ink tank cap: Protect the ink tank
④ Ink bottle: To stock ink
⑤ Ink bottle valve: Control ink flow or not
⑥ Ink bottle cap: The cap of ink bottle
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