How hot can a 3D printer heated bed get?

By Asked 3D Content TeamPublished Last verified

How hot can a 3D printer heated bed get?

On makers’ spec pages, most consumer heated beds max out at 100 to 120 °C. Bambu Lab’s A1 mini stops at 80 °C, the A1 and P1S at 100 °C, and the X1C at 110 °C. The original Ender-3 reaches 110 °C. The Bambu H2D, Prusa MK4S, Prusa CORE One+ and Creality K2 Plus go to 120 °C.

The number

Printer Maximum bed temperature Where the figure comes from
Bambu Lab A1 mini 80 °C Bambu wiki firmware limit
Bambu Lab A1 100 °C Bambu wiki firmware limit
Bambu Lab P1S (and P1P) 100 °C P1S spec table; Bambu wiki firmware limit for the P1 series
Bambu Lab P2S 110 °C Bambu wiki P2S FAQ
Bambu Lab X1C 110 °C on 220 V, 120 °C on 110 V (spec sheet); 110 °C (firmware limit for the X1 series) X1-Carbon spec sheet; Bambu wiki
Bambu Lab H2D 120 °C Bambu wiki H2D introduction
Prusa MK4S 120 °C Prusa product page
Prusa CORE One+ 120 °C Prusa product page
Creality Ender-3 (original) 110 °C Creality store Ender-3 guide
Creality Ender-3 V3 110 °C Creality support specs
Creality Ender-3 V3 SE 100 °C Creality support specs
Creality K1 100 °C Creality support specs
Creality K2 100 °C Creality K2 series comparison
Creality K2 Pro 110 °C Creality K2 series comparison
Creality K2 Plus 120 °C Creality K2 series comparison
Elegoo Centauri Carbon 110 °C at 25 °C room temperature Elegoo product page
Anycubic Kobra 3 Combo 110 °C Anycubic product page
Anycubic Kobra S1 120 °C Anycubic product page
Qidi Q1 Pro 120 °C or less Qidi product page

Every figure comes from the maker’s own documentation: Bambu Lab’s wiki, store page and X1-Carbon spec sheet, Prusa Research’s product pages, Creality’s support specs, K2 series comparison and store guide, and the Elegoo, Anycubic and Qidi product pages. The X1C row carries two figures, explained below.

What max bed temp does the X1C have?

Bambu publishes two figures. The X1-Carbon spec sheet lists a maximum build plate temperature of “110 @220 V, 120 @110 V”. Bambu’s wiki page on heated-bed limit warnings gives one number for the whole X1 series: 110 °C. Above that number the firmware lowers the bed to the limit and shows a warning.

Plan on 110 °C. That covers ABS (acrylonitrile butadiene styrene) and ASA (acrylonitrile styrene acrylate), and it reaches the middle of the 100 to 120 °C range Bambu gives for PC (polycarbonate) and PA (polyamide, nylon).

What max bed temperature does an Ender 3 have?

110 °C for the original Ender-3, the ceiling in Creality’s own Ender-3 guide. The Ender-3 V3 is also 110 °C. The Ender-3 V3 SE stops at 100 °C.

Community Marlin firmware sets its own limit. Marlin’s example configuration for the Ender-3 sets BED_MAXTEMP to 125 °C, which is the shutdown point. BED_OVERSHOOT is 10 °C, so the firmware refuses any target above 115 °C.

Which filaments does each maximum cover?

Bambu Lab’s filament guide gives these bed ranges for the Smooth and Textured PEI (polyetherimide) plates:

Bed maximum Full recommended range reached Bottom of the range only
80 °C PLA (polylactic acid) 45 to 65 °C, TPU (thermoplastic polyurethane) 35 to 45 °C, PETG (glycol-modified polyethylene terephthalate) 60 to 80 °C none
100 °C All of the above, plus ABS and ASA 90 to 100 °C PC, PA and PA-CF, PET-CF, PPA-CF and PPS, all 100 to 120 °C
110 °C The same as 100 °C PC, PA and the other 100 to 120 °C grades, up to 110 °C
120 °C Every material in Bambu’s table, including PC, PA, PPA and PPS at 100 to 120 °C none

CF marks carbon-fiber grades. PPA is polyphthalamide and PPS is polyphenylene sulfide.

An 80 °C bed (A1 mini) cannot reach the 90 °C minimum Bambu gives for ABS and ASA. A 100 °C bed (A1, P1S, K1) covers ABS and ASA but only touches the bottom of the PC and nylon ranges. Prusa runs polycarbonate at 110 °C for the first layer and 115 °C after that, above what a 110 °C bed can reach. Every filament is on the bed temperature chart.

Why each bed stops where it does

Three things set the ceiling: heater power, the firmware limit and the plate on top.

A heated bed pulled apart into heater, bed and removable plate, with heat rising off the plate into the roomThe heater has to replace the heat the bed loses to the room, and the plate on top has to be rated for the temperature it reaches.2Removable plate with its own rating4Heater1Heat lost to the room3Bed
  1. Heat lost to the room
  2. Removable plate with its own rating
  3. Bed
  4. Heater
The heater has to replace the heat the bed loses to the room, and the plate on top has to be rated for the temperature it reaches.

Heater power against heat loss. A bed holds a temperature only while its heater can replace the heat it loses to the room. Prusa warns that below 18 °C room temperature a printer running PC may fail to hold its bed temperature and stop with a “Bed thermal runaway” error. Elegoo qualifies its 110 °C figure with “Ambient Temperature 25 °C”. Mains voltage matters too: the X1C spec sheet rates the printer at up to 1,000 W on 220 V but 350 W on 110 V.

The firmware limit. Each firmware enforces a cutoff. Bambu firmware clamps any higher G-code value to the model’s limit and shows a warning. Marlin refuses targets within BED_OVERSHOOT of BED_MAXTEMP. Klipper’s max_temp under [heater_bed] is a safety range: if the measured temperature goes past it, the microcontroller shuts down.

The plate. The maximum on the spec sheet assumes a plate rated for it. Bambu’s filament guide marks its Cool Plate “not recommended” for every material except PLA grades and PVA (polyvinyl alcohol). It asks you to keep to the profile temperatures “to protect the Cool Plate.” Its Engineering, Smooth PEI and Textured PEI plates cover the full 100 to 120 °C range.

How to check it on your own print

  • Find the model’s limit. Use the maker’s spec page, or the table above. On Bambu printers, a G-code bed temperature over the limit triggers warning code HMS_0300-0100-0003-0008 and the printer drops to its maximum.
  • Check the firmware value on modified printers. In Marlin, the limit is BED_MAXTEMP minus BED_OVERSHOOT. In Klipper, it is max_temp under [heater_bed]. Raising either moves a safety cutoff. It adds no heater power.
  • Match the plate to the temperature. Above 65 °C, use an Engineering, Smooth PEI or Textured PEI plate on a Bambu printer, not the Cool Plate.
  • Watch the room. If the bed stalls a few degrees short of its maximum, or throws a thermal runaway error during a PC print, warm the room above 18 °C or enclose the printer. Unheated rooms are covered in 3D printing in a cold garage.
  • Measure the plate, not just the display. The method for checking that the build surface reaches your set number is on the bed surface temperature page.

Sources

  1. HMS_0300-0100-0003-0008: The temperature of the heated bed exceeds the limit and automatically adjusts to the limit temperature, Bambu Lab Wiki (accessed October 15, 2026)
  2. Bambu Lab X1-Carbon technical specifications (PDF), Bambu Lab (accessed October 15, 2026)
  3. Bambu Lab P1S product page, Bambu Lab EU Store (accessed October 15, 2026)
  4. P2S FAQ, Bambu Lab Wiki (accessed October 15, 2026)
  5. H2D introduction, Bambu Lab Wiki (accessed October 15, 2026)
  6. Filament guide: Printer, Nozzle, AMS, Build Plate, Glue Compatibility and Required Parameters, Bambu Lab Wiki (accessed October 15, 2026)
  7. Recommendations for printing on the Cool Plate, Bambu Lab Wiki (accessed October 15, 2026)
  8. Original Prusa MK4S 3D Printer kit, technical parameters, Prusa Research (accessed October 15, 2026)
  9. Prusa CORE One+, technical parameters, Prusa Research (accessed October 15, 2026)
  10. Polycarbonate (PC), Prusa Knowledge Base (accessed October 15, 2026)
  11. Comprehensive Guide to Ender 3 3D Printer Operation, Creality Store (accessed October 15, 2026)
  12. Ender-3 V3 Support: Specs, Creality (accessed October 15, 2026)
  13. Ender-3 V3 SE Support: Specs, Creality (accessed October 15, 2026)
  14. K1 Support Center: Specs, Creality (accessed October 15, 2026)
  15. K2 Series comparison, K2 Combo product page, Creality (accessed October 15, 2026)
  16. Elegoo Centauri Carbon product page, Elegoo (accessed October 15, 2026)
  17. Anycubic Kobra S1 product page, Anycubic (accessed October 15, 2026)
  18. Anycubic Kobra 3 Combo product page, Anycubic (accessed October 15, 2026)
  19. Qidi Tech Q1 Pro 3D Printer product page, Qidi Tech (accessed October 15, 2026)
  20. Marlin example configuration, Creality Ender-3 (CrealityV1 board), MarlinFirmware/Configurations (accessed October 15, 2026)
  21. Configuration reference: [heater_bed] and max_temp, Klipper documentation (accessed October 15, 2026)