5-9 Mirrors and lens are oxidized or broken – FLUX Help Center

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Preparation Items : Self-Preparation : 1|Needle nose pliers
Included in the accessory box : 2|Torx screwdriver

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Test Items :

1. Check if mirrors and lens are oxidized or broken : If there are black spots, white spots, etc. on the surface of the first, second, and third reflective mirror, or if there are serious scratch- es, and the stains cannot be removed by【Maintenance】Mirrors and Lens Cleaning (p.138), or if the focus lens is deformed or broken due to external force, the mirrors and lens should be replaced.

Replacement Steps :

First reflective mirror :

a. Lift the back cover: Please use a Torx screwdriver to remove the 2 screws on both sides of the back cover and then lift the cover.
b. Loosen the aluminum cover: Loosen the aluminum cover that fixes the mirror (face the mirror and turn counterclockwise), if it cannot be turned, use needle nose pliers to clamp the aluminum frame and turn again >

c. Replace the mirror: Take out the old mirror > Put the new mirror with the matte side facing the mirror holder (laser beam will hit the shiny side) >
d. Tighten the aluminum cover: Tighten the aluminum cover back to the mirror holder.

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Second reflective mirror : After opening the door cover, follow the first reflective mirror steps b~d (the position of the second reflective mirror is indicated in the picture in p.202).

Third reflective mirror :

a. Loosen the fixing cap: Use the needle nose pliers to hold the two round points of the fixing cap of the mirror, and unscrew the fixing cap counterclockwise >

b. Replace the mirror: Take out the old mirror, you can pull out the mirror from the laser inlet area > Place the new mirror with the shiny side facing the mirror holder >

c. Tighten the fixed cap: Use needle nose pliers to hold the two round points of the fixing cap of the mirror, and tighten the fixing cap clockwise. ___2022-07-25___9.57.06.png

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Focus lens:

a. Remove the honeycomb table【Maintenance】Honeycomb Table Cleaning, step 1 (p.135). >

b. Move the laser head cover aside: Loosen 2 screws on the laser head cover with a Torx screwdriver and then move the cover aside >

c. Remove the laser head: Unscrew the nozzle fastening ring clockwise. If it cannot be unscrewed, use needle nose pliers to assist > Remove the laser head, and please avoid the focus lens from being popped out > ___2022-07-25___9.58.09.png

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d. Replace the lens : Remove the old lens > Put the new lens into the laser head with the flat side downward (hold the edge of the lens and look into the lens, you can see yourself on the convex side, but you cannot see yourself on the flat side) >

e. Put the laser head back : Put the laser head back > Tighten the nozzle fastening ring coun- terclockwise >

f. Tighten the laser head cover : Tighten 2 screws on the laser head cover >

g. Put the honeycomb table back 【Maintenance】 Honeycomb Table Cleaning, step 3 (p.135).

Troubleshooting Records :

1. Photo : Take pictures of

a. 3 reflective mirrors (whether oxidized)
b. Focus lens (whether oxidized or broken)

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