Generally Maintainance

 

Nozzle Blockage

 

A nozzle will eventually clogged, as impurities in the printing material will build up over time and block the orifice. High quality printing material will ensure long life span of the printing nozzle.

 

If there is blockage in the ruby nozzle tip, we recommend following methods to unblock the nozzle:

 

"Cold Pull"

 

Cold pull means heating up the nozzle while the filament is still loaded in the hotend. Preheat the hotend to melting temp and then let it cool downs. When its temperture is below melting temp andthe material is about to solidify, pull out the filament from the hotend by hand quickly. This pull out the blocking material altogether with the filament. However some printer extruder design do not allow cold pull to be done, so please consider following methods.

 

1. Submerge the nozzle in an organic solvent overnight to dissolve the blocking material. This is the most effective method but also require chemical solvents such acetone.

 

2. Use a 0.4mm needle to push through a block when the nozzle is heated up. It is better to push out the block from the back of the nozzle. Be careful not to break the tip with too much force.