Prusa Research Original Prusa SL1, Manual

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4. Electronics & Lid
56 Original Prusa SL1 kit assembly
STEP 8 Removing the cover
WARNING: After you remove the cover from the UV LED, please avoid touching the
diodes. Any dirt or grease on the surface might result in print artefacts.
UV LED is protected with a plastic cover. To remove it, push it down, then pull
slightly in the indicated direction and remove it.
While connecting the UV LED cable proceed carefully. The cooling fins are sharp ,
you can hurt yourself.
Connect the UV LED cable. Make sure the safety pin on the connector "clicks" in
the UV LED.
Check all the wires are all the way in the connector.
Connect the UV LED fan cable extension. Make sure both cables are properly
connected.
STEP 9 Mounting the UV LED assembly
Lay the printer on its right side to get access to the bottom part. The rear part is
facing to the left.
Before you insert the UV LED assembly in the printer, insert both cables and align
them to the back.
Slide the assembly up with the cables facing to the back and secure it using M3x5b
countersunk screws. Tighten on a diagonal to ensure proper seating of the
assembly.
Make sure the cables are facing to the back of the printer and no wire is pinched.