| 摘要 |
A contact image sensor and roller mounting structure including two end supports, a contact image sensor fixedly secured between the end supports, two roller holders respectively mounted on the end supports and turned about an axis, a roller connected between the roller holder and disposed in contact with the contact image sensor, a top cover connected between the roller holders and covered over the roller, and two torsional springs respectively mounted on the end supports to hold the roller holder in place, whereby opening the top cover causes the roller holders to move the roller away from the contact image sensor; closing the top cover causes the roller holders to move the roller back into contact with the contact image sensor.
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