Prusa Mini: Difference between revisions

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{{ThingInfoBox
{{ThingInfoBox
|name        = Lusa
|status      = working
|status      = working
|image      = Prusa i3 MK3.jpg
|image      = Lusa.jpg
|description = Original Prusa i3 MK3
|description = Original Prusa MINI
|owner      = Terry
|owner      = MuMaLab
|username    = @Terry Kidd
|username    =  
|financing  = Bought from official Vendor (380€)
|ip = 10.10.20.45
|link = http://10.10.20.45
}}
}}
{{ThingInfoBox
|name        = Rusa
|status      = working
|image      = Rusa.jpg
|description = Original Prusa MINI
|owner      = MuMaLab
|username    =
|financing  = Bought from official Vendor (380€)
|ip = 10.10.20.46
|link = http://10.10.20.46
}}
We currently have two Original Prusa Minis for basic printing with PLA at the lab. They are called Lusa and Rusa.
* Please bring your own filament and only use plain PLA. Additives like wood or carbon wear out the nozzles extremely quickly.
* Refer to the Whiteboard inside of the Laser & 3D Lounge for currently attached nozzle sizes. By default, there should be one printer with a 0.4 nozzle and one with a 0.6 nozzle.


We recently recieved a Original Prusa i3 MK3 lended to the space by Terry. It is fully functional now, however we still need to discuss on the rules around using this machine since we want to make sure the lended machine stays healthy.
* Please bring your own filament and only use plain PLA.
* For advanced user other filament can be considered. Please see the details section for more information.


== Details ==
== Details ==
* Build volume 250 × 210 × 210 mm / 9.8 × 8.2 × 8.2 inches
* Build volume 18 x 18 x 18 cm | 7 x 7 x 7 in
* Nozzles 0.4mm  
* Nozzles 0.4mm or 0.6mm for 1.75mm Filament.
* Avaliable print Surface:
* Removable magnetic spring steel sheet with PEI surface
** Double-sided Textured PEI Powder-coated Spring Steel Sheet
* Printable via USB Stick
** Spring Steel Sheet With Smooth Double-sided PEI
* Material: plain PLA
* Printable via SD Card
 
* Possible Material: PLA (Recommended) PETG, (ASA), (ABS), PC, CPE, PVA/BVOH, PVB, HIPS, PP, Flex, Nylon
** For now, please ask the #3d_printing channel in Slack until the detailed rules are worked out.


== Usage ==
== Usage ==
''' If you haven't used the printer, register for the monthly [https://tickets.mumalab.org/courses/ 3D printing intro course] or ask in the 3d_printing channel on Slack beforehand.'''
''' If you haven't used the printer, register for the monthly [https://tickets.mumalab.org/courses/ 3D printing intro course] or ask in the 3d_printing channel on Slack beforehand.'''
* Slice your .stl in [https://github.com/prusa3d/PrusaSlicer PrusaSlicer]
* Slice your .stl in [https://github.com/prusa3d/PrusaSlicer PrusaSlicer]
* Use the official presets for the Original Prusa MK3.
* Use the official presets for the Original Prusa MINI. Make sure to adjust the nozzle diameter (see above) And the Filament of choice
* Get the SD Card that's in the printer, export to the SD Card via the button on the bottom right in PrusaSlicer, and put it back into the printer
* Get the USB stick that's in the printer, export to the USB via the button on the bottom right in PrusaSlicer, and put it back into the printer
* Verify that you're about to start the right print - the display shows an image preview of your model
* Verify that you're about to start the right print - the display shows an image preview of your model
 
* You can monitor your print via [HTTP://10.10.20.45 PrusaControl]
== Specs & calibration ==
== Printer repair log ==
For filament testing please use this [https://www.printables.com/model/147518-filament-swatch-re-remix Filament Swatch]
* '''09.12.2022 Lusa is out of service due to failing bed mesh leveling '''
Test to do:
**Bed mesh calibration is failing on Lusa, therefore it is currently out of service. <br>
* First Layer Calibration setup with different print bed
* '''10.12.2022 Lusa resquared and back online '''
* Characterize print tolerance
** Firmware reflashed
 
** linear rods are cleaned and lubricant applied
== Documentation ==
** rough surface cleaning and screws retightened
* Official assembly guide: [https://help.prusa3d.com/category/original-prusa-i3-mk3-kit-assembly_336 Assembly Guide]
** Axis resquared (about 1mm difference still visible after resquaring, but could be compensated by mesh bed leveling)
* Maintainance guide: [https://help.prusa3d.com/article/i3-printer-regular-maintenance%202072 Maintanance guide]
** first layer Z-Step recalibrated
 
The Issue should be resolved. During calibration on issue is encountered that occationally the mesh bed leveling only goes to the third position instead of the fourth. If any other print issue is encountered, especially strange behavoir with mesh bed leveling, please report in #3d_printing channel.
== Printer repair & maintanance log ==
* '''02.1.2023 Machine arrived at Lab '''
* '''10.12.2022 Machine first inspection and maintanance '''
** Regular maintanance done to the printer, as well as fixed some minor issues.
 
[[Category:Inventory]]
[[Category:Inventory]]
[[Category:3dPrinter]]
[[Category:3dPrinter]]

Revision as of 19:25, 22 January 2023

         
Lusa

Status: working [box doku]

Lusa.jpg
Description Original Prusa MINI
Owner  MuMaLab
Financing  Bought from official Vendor (380€)
IP  10.10.20.45
Link  http://10.10.20.45
         
Rusa

Status: working [box doku]

Rusa.jpg
Description Original Prusa MINI
Owner  MuMaLab
Financing  Bought from official Vendor (380€)
IP  10.10.20.46
Link  http://10.10.20.46

We currently have two Original Prusa Minis for basic printing with PLA at the lab. They are called Lusa and Rusa.

  • Please bring your own filament and only use plain PLA. Additives like wood or carbon wear out the nozzles extremely quickly.
  • Refer to the Whiteboard inside of the Laser & 3D Lounge for currently attached nozzle sizes. By default, there should be one printer with a 0.4 nozzle and one with a 0.6 nozzle.


Details

  • Build volume 18 x 18 x 18 cm | 7 x 7 x 7 in
  • Nozzles 0.4mm or 0.6mm for 1.75mm Filament.
  • Removable magnetic spring steel sheet with PEI surface
  • Printable via USB Stick
  • Material: plain PLA


Usage

If you haven't used the printer, register for the monthly 3D printing intro course or ask in the 3d_printing channel on Slack beforehand.

  • Slice your .stl in PrusaSlicer
  • Use the official presets for the Original Prusa MINI. Make sure to adjust the nozzle diameter (see above) And the Filament of choice
  • Get the USB stick that's in the printer, export to the USB via the button on the bottom right in PrusaSlicer, and put it back into the printer
  • Verify that you're about to start the right print - the display shows an image preview of your model
  • You can monitor your print via PrusaControl

Printer repair log

  • 09.12.2022 Lusa is out of service due to failing bed mesh leveling
    • Bed mesh calibration is failing on Lusa, therefore it is currently out of service.
  • 10.12.2022 Lusa resquared and back online
    • Firmware reflashed
    • linear rods are cleaned and lubricant applied
    • rough surface cleaning and screws retightened
    • Axis resquared (about 1mm difference still visible after resquaring, but could be compensated by mesh bed leveling)
    • first layer Z-Step recalibrated

The Issue should be resolved. During calibration on issue is encountered that occationally the mesh bed leveling only goes to the third position instead of the fourth. If any other print issue is encountered, especially strange behavoir with mesh bed leveling, please report in #3d_printing channel.

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