UP Plus 2 3D Printer User Manual v 2013.10.24
14.3 How to clean the nozzle
Never attempt to remove the nozzle when the extruder block is cold!!
• First initialise the printer, then click “Withdraw” in the maintenance screen.
• Only once the printer beeps, using the gloves and nozzle spanner, unscrew the nozzle.
You might need to gently push the nozzle down while unscrewing the nozzle to remove it,
as the remaining plastic will act like a soft glue holding it in place, hence the reason to
“withdraw” to heat up the residue plastic in the nozzle.
• Soak the nozzle for 24hrs in acetone.
• Then using the needle nose tweezers remove any leftover plastic. Use a torch or light to
shine into the nozzle to see if it is clean.
• If you still have residue plastic then soak in acetone again for a further 24hrs.
• It’s recommended to have a spare nozzle or even better a spare extruder block at hand.
These can be ordered from your local reseller or online here
If the nozzle is blocked, remove the nozzle and clean
it. (only when the nozzle is hot)
The extruder and platform are hot. Use gloves when
working in this area of printer.
If the nozzle is blocked, remove the nozzle and clean it. (only when the noz-
zle is hot)
The extruder and platform are hot. Use gloves when working in this area of
printer.
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