Gravograph L solution 300

Hi I am moving house so need to get rid of a few projects. I got this laser about a year ago and it has a fault. The actual laser module works well and was refurbished by manufacturer 2 years ago so I suspect the controller is fault or something else. I was planning to upgrade the controller and that would be able to control the laser directly. Its a nice enclosure and nice height to work at.
This machine has fume extraction nozzle as well as air assist. The travel is 600x600x300mm.

All axis are good and belts are also good condition. Would be a perfect base to upgrade.

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Collection from near Gatwick airport. Open to offers in excess of £250