| 摘要 |
An ink jet service station has a housing with a right wall and a left wall, and a carriage for holding a wiper. The carriage is moveably installed in the housing, and a scraper is rotatably mounted on the carriage. When the carriage moves to the left wall, the scraper contacts the left wall. A first torque is thus placed upon the scraper that causes the scraper to rotate to the right and scrape the wiper. When the carriage moves to the right wall, the scraper contacts the right wall and a second torque is placed upon the scraper that causes the scraper to rotate to the left and scrape the wiper.
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