50VI. BASIC MAINTENANCECaution:! Keeping the optics and motion system clean is essential to an excellent qualityengraving and the reliability of your engraver. Please clean Bearing track andX-axis (DU) bearing daily to maintain good condition of machine.! Never pour or spray any liquid directly onto the laser system.! Turn off the power and unplug the system before cleaning.1. Inside the System: Open the top door, the front door and the back door (ifnecessary). Vacuum to clean inside of the engraver and vent area thoroughly.2. Engraving Table: Dampen the paper towel or cloth with alcohol or cleanerto clean the Engraving Table.3. Motion System: Dampen the cotton swab to clean the rails of the MotionSystem. Get rid off any debris built up in the bearing tracks.4. Bearings: Hold a dampened cotton swab against the bearing and moving themotion system by hand to clean each bearing.5. Mirrors and Lenses: The focus lens and the mirror located on the carriagearethe two components most likely to require cleaning once a week.Caution:Don't scratch out the soft coating of the mirror's surface. Excessive cleaningthe mirrors and lenses may cause damage and reduce the life of the mirror(refer to Fig. 21).Clean the mirror -1. Unscrew and remove front cover of the focus carriage. Release thetop screw and pull out mirror carefully (refer to Fig. 22).2. Put lens tissue on the mirror and drop a little lens cleaner on themiddle area of the tissue (please refer to Fig. 20), after the fluid hasbeen absorbed evenly, pull the tissue one direction gently toclean the mirror.3. Let it air dry and re-install it.4. Unscrew and remove the dust prevention box (refer to Fig. 2 & Fig.3) then clean the #2 Mirror, #4 Mirror and #1 Mirror same as aboveprocess (refer to Fig. 20) separately.