| 摘要 |
A pen alignment method and apparatus used in a printing apparatus, which perform a pen alignment operation when the amount of ink contained in an ink cartridge of an inkjet printing apparatus is reduced to a predetermined value or less. The pen alignment method includes measuring the amount of ink contained in an ink cartridge; determining whether the measured amount of ink is less than a predetermined value; and performing a pen alignment operation if the measured amount of ink is less than the predetermined value.
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