====== Prusa i3 Mk2.5 =====


on loan

=== Status ====

  * 2019-10-28:
    * works and prints beautifully without problems or issues or things that needed fixing (tested with PrusaSlicer and SD-Card)
    * filament sensor PAT9125 works with MK25 firmware and correctly detects broken or run-out filament
    * print bed adhesion is good if nozzle is cleaned beforehand.

==== Resources ====

  * [[https://cdn.prusa3d.com/downloads/manual/prusa3d_manual_mk25s_en_2_61.pdf | Manual ]]
  * [[https://github.com/prusa3d/PrusaSlicer/releases | Prusa Slicer]]
  * [[https://www.prusa3d.com/drivers/|Firmware]]
    * on website choose ''Original Prusa i3 MK2.5'' (do NOT choose ''MK2.5S'' as it supports a *different* filament sensor)
    * from archive choose file which ends in ''RAMBo13a_en-de.hex''
  * [[https://help.prusa3d.com/ | Prusa Help Knowledge Database]]
    * [[https://help.prusa3d.com/article/5zefw47mqa-finda-setup-troubleshooting | FINDA Sensor]]
    * [[https://help.prusa3d.com/article/3tSXh6nWJd-pinda-probe-testing | PINDA Probe]]

==== How To Print ====

  - Slice a ''.stl''
  - Pre-Print check
  - Print ''.gocde'' using SD-Card or via USB


=== Slice ===

  - Use PrusaSlicer on Würfel
    - Select the Prusa i3 MK2.5 Profile
    - Select Material (probably PrusamentPETG)
    - Slice
  - Save GCODE to Disk

=== Pre-Print Check ===

  * Clean print-bed
  * Check removable magnetic steel-print-bed is flat and correctly seated
  * Carefully clean nozzle while nozzle is in the air and half-way heated by using cool metal pliers and removing softened filament without scratching anything
  * Check you have the right  filament inserted (the one you sliced for)

=== Print using SD-Card ===

  - Eject SD-Card from Printer and put into Würfel
    - if SD-Card Reader on front of Würfel does not work, disconnect and reconnect USB-Cable
  - Copy to SD-Card
  - Unmount SD-Card
  - Plug SD-Card back into Printer
  - Start print from SD-Card in printer menu

=== Print via USB ===

  - Start Pronterface (Pronsole in Graphics Menu)
  - Load ''.gcode'' file saved earlier
  - ensure USB-cable is connected
  - Start print

=== Print via Octoprint ===

TODO

====== Specs and Settings ======

^Specs Prusa i3 Mk2.5 Bear ^|
|max build Area|250mm x 210mm x 200mm|
|Resolution:|0.05mm - 0.3mm|
|max Heatbed Temp|120°C|
|max build speed|100mm/s|
|Filament Diameter Support| 1.75 only |
|PSU | 240V/12V |
|Electronics | miniRAMBO v1.3|
|Print surface | MK52 12V/ removable sheets |
|Bondtech gears | yes |
|Noctua fan | yes |
|Trinamic Drivers | no |
|Filament sensor | PAT9125 ((this is the main difference between MK2.5/MK3 which has PAT9125 and MK2.5S which has a simpler IR-Sensor)) |
|PowerPanic | no |
|P.I.N.D.A 2 w/ thermistor | yes |
|Hotend fan RPM | yes|
|Print fan RPM | no  |
|Crash detection | no |
|Stealth mode | no |
|Aluminium extrusion | no |


==== Nozzle ====

^currently mounted Nozzle^|
|Diameter|0.4mm|
|Max Temperature|300°C (exceed at risk of **DAMAGE**)|
|Type|e3d|