把 cartridge 抽出来，涂一下crease，再试。有时cylinder 坏了。手指伸进去，摸一下有无损伤。

来源: QinHwang 于 2024-07-16 16:41:20 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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把 cartridge 抽出来，涂一下crease， 再试。有时cylinder 坏了。手指伸进去，摸一下有无损伤。