print head carriage

例句：

1. 1. The printer needs to be adjusted to ensure optimal print quality.
   打印机需要调整以确保最佳的打印质量。
2. 2. The printing head carriage is responsible for transferring the image from the original to the paper.
   印刷头架负责将图像从原稿转移到纸张上。
3. 3.The printing carriage assembly is a complex mechanism that controls the movement of the printing head.
   印刷机头架是一个复杂的机制，控制着印刷头的运动。