1Pc Fountain Pen + 50Pcs Ink Cartridges, 0.5mm Nib, Built-In Converter, High-End Quality, Exquisite Craftsmanship, Ceramic Pen Body, Ceramic Enamel Color, Iridium Pen Clip, Suitable for Students, Holiday Gifts, Back-To-School Season, Birthday Gifts, Christmas, Father's Day, Mother's Day, Teacher's Day, Thanksgiving, Daily Writing, Signature, Calligraphy

Step 1: Disassemble the Pen Body

Hold the Connection Point between the Pen's Body and Tip, Rotate Counterclockwise, and Unscrew the Pen's Body to Reveal the Ink Cartridge Interface at the Rear End of the Tip.

第2步：取出旧墨囊（如有）

若钢笔内已有旧墨囊或空墨囊，请垂直向上轻轻拔出，妥善丢弃。

第3步：插入新墨囊（关键步骤）

取出一支新墨囊，确认小口端朝下，对准笔头后端的接口。

将墨囊垂直用力推入，直至听到“咔哒”一声，表示墨囊已完全卡入到位。

第4步：装回笔杆

将笔杆对准笔头，顺时针旋转拧回原位，拧紧即可，无需过度用力。

第5步：等待出墨

将钢笔笔尖朝下竖立静置 1～2分钟，使墨水自然流至笔尖。

第6步：试写确认

在草稿纸上试写数笔，确认书写流畅、不断墨后，即可正常使用。