40 | DX-G, DX-M | Introduction
Figure 2: Image with two artefacts on it, a black line and a white line
To clean the optical unit:
1. Switch off the digitizer.
2. Remove the power plug from the socket.
3. Open the right side cover of the digitizer.
Open the eye of the latching and turn the latch through 90° clockwise.
2321G EN 20181126 1428
WARNING:
Environmental light falling into the digitizer may create image
artefacts leading to retakes. Do not open the digitizer during
operation.
Note: In case of a mobile device the upper right lock has to be
locked before the side cover can be opened.