Can Prusa MK4S Print PLA-CF?
Verified 3D printer and filament compatibility data.
Limited
72/100
Based on the verified compatibility data currently available, Prusa MK4S is rated limited for PLA-CF.
Hardware and material requirements
Stock nozzleNot suitable
Heated bedSuitable
Enclosure setupSuitable
Hardened nozzleRequired
Filament dryingNot confirmed
Main limitation
Carbon fiber rapidly wears the stock brass nozzle and may clog.
Recommendation
Install a hardened Nextruder-compatible nozzle before printing.
Prusa MK4S specifications
Max nozzle temperature
290 °C
Max bed temperature
120 °C
Enclosed printer
No
Stock hardened nozzle
No
Extruder
Nextruder
Material category
Fiber Reinforced
Verification source
Verified
2026-08-14
View official source ↗