Optical Unit - Kyocera TASKalfa 420i Operation Manual

3. Optical unit

When checking the optical unit, avoid direct exposure to the laser beam, which is invisible. Shown at below is
the label located on the cover of the optical unit.
4. Maintenance
For safety of the service personnel, follow the maintenance instructions in the other section of this manual.
5. Safety switch
The power to the laser unit is cut off when the front cover is opened.
xvi OPERATION GUIDE
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