Epson LQ-870 Service Manual page 87

3.2.5.14 Removing the Release Sensor
1. Remove the printer mechanism, as described in Section 3.2.4.
2. Remove the platen from the printer mechanism, as described in Section 3.2.5.5
3. Remove the right frame, as described in Section 3.2.5.6. (Follow
4. Unhook the release sensor from the paper guide.
Figure 3-30. Removing the Release Sensor
1 through 4.)
steps