This guide covers replacing the fiber laser on the Fusion Galvo G100. The fiber head is removed from the top of the engraver, and the laser itself is removed through the bottom.
Parts Required
- Fiber Laser – varies depending on wattage and engraver configuration
Tools Required
- T30 Torx Driver
- Phillips Screwdriver
Safety First: Ensure the engraver is completely powered off and the power cord is disconnected before removing any panels or touching internal electronics. This procedure requires laying the engraver on its back, so have a second person available to help.
Fiber Laser Removal
Remove Top Panel Screws
Loosen and remove the screws around the edge of the top panel (highlighted in red).
Remove Upper Rear Panel Screws
At the back of the engraver, loosen and remove the eight screws securing the upper rear panel (highlighted in red).
Remove Lower Rear Panel Screws
Loosen and remove the eight screws securing the lower rear panel (highlighted in red).
Remove Lower Rear Panel
Pull the lower rear panel and its exhaust duct straight back off the engraver.
Remove Cable Bundle
Loosen and remove the two screws (highlighted in red) and release the cable bundle.
Loosen Fiber Head Clamp Screw
Loosen the fiber head clamp screw (highlighted in red), but do not remove it.
Position Head at Pass-Through
Place the fiber laser head and cable bundle above the pass-through opening (circled in red).
Tilt Engraver
Carefully tilt the engraver backward.
Note: The engraver is heavy. Use two people to tilt it and lower it onto its back.
Lay Engraver on Its Back
Lower the engraver until it rests on its back, giving access to the bottom panel.
Remove Bottom Panel Screws
Loosen and remove the screws around the bottom panel (highlighted in red).
Disconnect Laser Connectors
Disconnect the two connectors on the fiber laser (circled in red).
Disconnect Controller Connector
Loosen the two screws (circled in red) and disconnect the connector, shown in the detail view.
Disconnect Power Supply Wires
Disconnect the fiber laser wires from the power supply terminals: yellow (ground), black (-V) and red (+V) on the upper supply, and blue (-V) on the lower supply.
Loosen Mounting Screws
Loosen the four mounting screws (highlighted in red), but do not remove them.
Lift Fiber Laser
Slide the fiber laser in the direction of the arrow to free it from the keyhole slots, shown in the detail views.
Guide Head Through Pass-Through
Guide the fiber head and cable bundle back through the pass-through.
Fiber Laser Installation
Seat on Mounting Screws
Slide the fiber laser in the direction of the arrow so the mounting screws seat in the keyhole slots.
Guide Head Through Pass-Through
Guide the fiber head and cable bundle through the pass-through, in the direction of the arrow.
Connect Power Supply Wires
Connect the wires to the power supply terminals: yellow (ground), black (-V) and red (+V) on the upper supply, and blue (-V) on the lower supply.
Connect Controller Connector
Reconnect the connector and tighten its two screws (circled in red).
Tilt Engraver Upright
With a second person, tilt the engraver back toward its upright position.
Bring Head Through Pass-Through
Guide the fiber head and cable bundle up through the pass-through (circled in red).
Complete the Calibrations
After replacing the fiber laser, complete the focus and camera calibrations. See Focus and Camera Calibrations – Fusion Galvo.