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- 1.75 mm
- Belt tension
- Blade
- Bondtech gears
- Bowden tube
- Buddy board
- Cantilever
- Check the cables
- Chimney (IR-sensor-holder-mmu2s)
- Control buttons
- Controller board (MMU2S)
- Curing / solidifying
- Einsy RAMBo board
- Ethernet port
- Extruder (i3)
- Extruder / Extruder motor (Mini)
- Extruder PTFE tube (Bowden-tube)
- F.I.N.D.A. sensor
- FEP foil
- FFF/FDM
- Filament
- Filament buffer
- Filament tip
- Firmware
- Flexible steel sheet
- Heatbed
- Heater block
- Heater cartridge
- Heatsink
- Hollowing
- Hotend
- Hotend fan
- Idler motor
- Idler screw
- Idler tension-screws
- Indicator LEDs
- IR filament-sensor
- Knob
- LCD screen (Mini)
- Lid
- Liquid resin
- Live adjust Z
- Loadcell
- M.I.N.D.A. sensor
- Mesh bed leveling
- Micro USB port
- MMU Idler
- Nozzle
- Object / part manipulation panel
- Octoprint
- Olive
- Original Prusa MK2.5S
- P.I.N.D.A. sensor
- Place on Face
- Power Button (SL1)
- Power switch
- Print display
- Print fan
- Print head
- Print platform
- Print speed
- Pulley motor
- Reset button
- SD card
- Selector
- Selector Knob (MINI)
- Selector motor
- Simple, Advanced and Expert mode
- SL1 file (.sl1)
- Spool holder
- SuperPINDA
- Tank
- Thermistor
- Tilt
- Tilt motor
- Tooltips
- Touchscreen Display / Touch screen
- Tower / Z-Axis (SL1)
- Tube fitting
- USB flash drive
- USB port
- USB port (SL1)
- UV LEDs
- Variable layer height
- Wipe-tower (Purge-tower)
- xBuddy board
For optimal print quality, the belts in your Prusa printer must be correctly tensioned. Loose belts can cause issues like layer shifting, ghosting, or irregular shapes in prints.
Belt Tuner app
The recommended method to check the belt tension is using the Belt Tuner app. Follow the app's instructions for precise measurements.
Alternative method for MK3/S/+
On these older models, you can still use the built-in selftest or belt test under LCD Menu -> Calibration. Look for values between 260 and 290 on the LCD, with lower numbers indicating tighter belts. If adjustments are necessary, refer to the related instructions for the adjustments.
Still have questions?
If you have a question about something that isn't covered here, check out our additional resources.
And if that doesn't do the trick, you can send an inquiry to [email protected] or through the button below.