Dell 1815 Mono Laser Service Manual page 49

Precautions
16. Unplug the connector from the Open Sensor Ass'y.
17. Unlatch the Open Sensor and remove it, as shown
below.
18. Remove the CCD Holder.
CCD Holder
Service Manual
5-14
Sensor Lever
Open Sensor
19. Unplug the Harness from the CCD Home Sensor
and release the CCD Home Sensor, as shown
below.
CCD Home Sensor
Harness