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

How To Print

  1. Slice a .stl
  2. Pre-Print check
  3. Print .gocde using SD-Card or via USB

Slice

  1. Use PrusaSlicer on Würfel
    1. Select the Prusa i3 MK2.5 Profile
    2. Select Material (probably PrusamentPETG)
    3. Slice
  2. 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)
  1. Eject SD-Card from Printer and put into Würfel
    1. if SD-Card Reader on front of Würfel does not work, disconnect and reconnect USB-Cable
  2. Copy to SD-Card
  3. Unmount SD-Card
  4. Plug SD-Card back into Printer
  5. Start print from SD-Card in printer menu
  1. Start Pronterface (Pronsole in Graphics Menu)
  2. Load .gcode file saved earlier
  3. ensure USB-cable is connected
  4. Start print

TODO

Specs and Settings

Specs Prusa i3 Mk2.5 Bear
max build Area250mm x 210mm x 200mm
Resolution:0.05mm - 0.3mm
max Heatbed Temp120°C
max build speed100mm/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 1)
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
Diameter0.4mm
Max Temperature300°C (exceed at risk of DAMAGE)
Typee3d

1)
this is the main difference between MK2.5/MK3 which has PAT9125 and MK2.5S which has a simpler IR-Sensor
realraum Graz, Brockmanngasse 15, 8010 Graz, realraum - Verein für Technik in Kultur und Gesellschaft
  • /var/lib/dokuwiki/data/pages/3dprinting/prusai3mk25.txt
  • Last modified: 2019-10-28 02:33
  • by xro