3D Printing InfoBuild volume
390 x 390 x 340 mm advertised
Advertised dimensions; check usable space and variants.
Sources & dates
- QIDI Max4 product page (US store) · 2026-08 · vendor
- QIDI Tech Max4 technical data table · 2026-08 · vendor
QIDI Max4
Large-format enclosed CoreXY with FOC closed-loop steppers, 370 °C hotend and third-generation 65 °C chamber heating.
Architecture reference
Start here
Explore this printer At a glance
Nozzle temperature
<=370 °C claimed
Published limits; hardware and firmware limits may differ.
Sources & dates
- QIDI Max4 product page (US store) · 2026-08 · vendor
- QIDI Tech Max4 technical data table · 2026-08 · vendor
Price snapshot
$1,099.00 standard on us.qidi3d.com against a $1,149.00 compare-at price, checked Aug 2026. Variants: Polar Cooler bundle $1,249.00 (was $1,348.00), Max4 Combo $1,249.00 (was $1,299.00), Combo + Polar Cooler $1,399.00
Dated listing, not a live offer. Read the configuration and region.
Sources & dates
- QIDI Max4 product page (US store) · 2026-08 · vendor
A closer look
Full specifications inside each chapterHardware, software & ownership
Understand the hardware, explore compatible changes and find a diagnostic starting point when something goes wrong. Expand the specification sections for every recorded value, condition and original reference.
Machine & motion
Dimensions, construction and the hardware that moves the print.
Model, variants & pricing5 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Manufacturer & exact marketed model name (verify the exact product identity first) | QIDI Max4, sold as "Max4 High-Temp 3D Printer" | 2 sources
|
| Release date (announcement and actual shipping) | Not published on QIDI's product page; the machine is listed as the current replacement for the discontinued X-Max 3 (checked Aug 2026) | 2 sources
|
| Street price (USD; dated snapshot per entry) | $1,099.00 standard on us.qidi3d.com against a $1,149.00 compare-at price, checked Aug 2026. Variants: Polar Cooler bundle $1,249.00 (was $1,348.00), Max4 Combo $1,249.00 (was $1,299.00), Combo + Polar Cooler $1,399.00 | 1 source
|
| Variants & sibling models — and how to tell them apart (spec-contamination risk) | Four variants at the US store: Standard, Polar Cooler bundle, Combo (adds QIDI Box), Combo + Polar Cooler. Direct replacement for the X-Max 3, which it differs from on every headline figure: 390x390x340 vs 325x325x315, 800 vs 600 mm/s, 370 vs 350 °C. Do not carry X-Max 3 specs across | 2 sources
|
| Market position: superseded? successor announced? | Current large-format flagship as of Aug 2026; QIDI's X-Max 3 page directs buyers here | 2 sources
|
Max4 riser files
The model-specific downloadable riser changes the top-cover frame; it does not increase the printer’s build volume.
Applies to: Max4 physical design only; obtain matching files and any required hardware from the linked listing.
Creator listing Sources & dates
- QIDI Max4 printable components · Checked 2026-10-20
Size, frame & enclosure6 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Build volume X×Y×Z (mm) — advertised vs actually usable | 390 x 390 x 340 mm advertised | 2 sources
|
| Machine footprint (mm) & clearance needed (cable/spool overhang) | 558 x 578 x 612 mm | 1 source
|
| Net weight (kg) | 46.5 kg net | 1 source
|
| Frame construction & material | Enclosed CoreXY chassis; QIDI does not publish a frame-material breakdown | 1 source
|
| Enclosure: open / enclosed; panel material; door/lid | Fully enclosed with a 3-in-1 air filter (G3 pre-filter + H12 HEPA + coconut-shell activated carbon) | 1 source
|
| Passive chamber temperature reached (if enclosed; measured values preferred) | 65 °C, independent active chamber heating (manufacturer claim), with a 4-pin PWM chamber fan with RPM feedback | 1 source
|
Motion system3 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Kinematics (bedslinger i3 / CoreXY / other) | CoreXY | 1 source
|
| Z-axis: leadscrew count & type, sync mechanism, anti-backlash | 2 mm lead Z screw with an anti-backlash nut | 1 source
|
| Stepper motors (frame size, step angle, brand if known) | FOC closed-loop stepper motors | 1 source
|
Speed & acceleration3 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Max print speed (claimed, mm/s) | 800 mm/s (manufacturer claim, maximum) | 1 source
|
| Max acceleration (claimed, mm/s²) | 30,000 mm/s2 (manufacturer claim, maximum) | 1 source
|
| Max volumetric flow claimed (mm³/s) | 40 mm3/s rated flow (manufacturer claim) | 1 source
|
Printing system
Extrusion, heating, leveling and material handling.
Vibration compensation1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Input shaping supported? Implementation (Klipper IS / Marlin ZV / proprietary) | Input shaper listed as a feature | 1 source
|
Polar extruder cooler
The official accessory adds extruder cooling, with model-specific connections and job-start controls documented by QIDI.
Applies to: Max4 installation only; use the guide’s required firmware and settings.
Manufacturer documentation Sources & dates
- QIDI Polar extruder-cooler connection to Max4 · Checked 2026-10-20
Extruder2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Type (direct drive / bowden) & design name | Direct drive, dual hardened-steel gears, 8.9:1 reduction | 1 source
|
| Gear ratio & drive gear material | 8.9:1; drive gears hardened steel | 1 source
|
Hotend & nozzle2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Hotend design (proprietary/standard; quick-swap mechanism?) | Multi-metal hotend with a ceramic heater and a 0.4 mm bimetal nozzle; ceramic throat | 1 source
|
| Max nozzle temp claimed AND firmware max temp limit (both values) | <=370 °C claimed | 2 sources
|
Build plate & heating2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Max bed temp claimed AND firmware limit | <=120 °C claimed on a 390 x 390 mm bed QIDI markets as ultra-uniform (no thermal imaging published) | 2 sources
|
| Bed surface (material, texture, coating), single/double-sided | Aluminium plate with silicone heater; double-sided magnetic PEI build plate | 1 source
|
First layer fails to adhere
Inspect first-layer spacing and plate cleanliness, then follow the model’s Z-offset and calibration procedure. Persistent problems after calibration go to model support.
Applies to: Max4 touchscreen and plate procedure; choose cleaning appropriate to the installed surface.
Official troubleshooting Sources & dates
- QIDI Max4 first-layer adhesion troubleshooting · Checked 2026-10-20
Leveling & Z-offset1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe) | Automatic levelling; probe technology not named by QIDI | 1 source
|
QIDI BOX material system
Adds automated filament changing using the manufacturer’s model-specific connection and setup procedure.
Applies to: Max4 connection procedure and current model firmware required.
Manufacturer documentation Sources & dates
- QIDI BOX model connections and Plus4 upgrade requirements · Checked 2026-10-20
Filament handling2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Filament runout sensor (type, location) | Filament run-out sensor and filament tangle detection (tangle mechanism not described), plus a filament cutter | 1 source
|
| Multi-material/multi-color capability or official upgrade path | QIDI Box multi-colour unit supported; sold bundled as the Max4 Combo | 2 sources
|
Cooling & filtration2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Part-cooling fan(s): count, size, ducting design | Toolhead, model and auxiliary fans are all 4-pin PWM with RPM feedback; mainboard and chamber fans are closed-loop, chamber fan high-power turbo | 1 source
|
| Chamber/exhaust fan & filtration (activated carbon / HEPA) | 3-in-1 filtration: G3 pre-filter, H12 HEPA, coconut-shell activated carbon | 1 source
|
Supported materials1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Officially supported filament list | PLA, ABS, ASA, PETG, TPU, PA, PC, and glass- and carbon-fibre-filled polymers | 1 source
|
Software & workflow
Firmware, controls, connections and calibration.
Electronics & power1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Input voltage (110/220 V, switch or auto) | 110 V / 220-240 V AC, 50/60 Hz | 1 source
|
Official Max4 stock firmware
Use the manufacturer’s model-specific update instructions and release history when maintaining the factory software.
Applies to: Max4 package only; this is an official update route, not verified FreeDi compatibility.
Manufacturer documentation Sources & dates
- QIDI Max4 official firmware instructions · Checked 2026-10-20
Firmware & openness1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Firmware base & current version (Klipper fork / Marlin fork / proprietary) | Not stated on the product page; QIDI Studio, PrusaSlicer and Orca are the supported slicers | 1 source
|
Connectivity, display & camera3 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Display: size, type, touch? | 5-inch touchscreen, 480 x 800 | 1 source
|
| WiFi (band/standard), Ethernet, USB ports, SD/flash-drive | Wi-Fi, LAN, USB | 1 source
|
| Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps) | AI camera with print-failure detection | 2 sources
|
Interruption recovery1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Power-loss recovery: mechanism (how is state saved? capacitor / eeprom / file on shutdown?) | Power-loss recovery listed; mechanism not published | 1 source
|
Safety, support & testing
Published safeguards, support terms and independent evidence.
Support & ecosystem1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Warranty length & support reputation (evidence, not vibes) | 1-year coverage, lifetime tech guidance, 14-day no-reason return | 1 source
|
Read with context
Sources & notes
How to read this guide
This guide presents the catalog’s sourced record for this exact model. Source dates belong to each reference; a page update does not mean every specification has been rechecked.
Prices are dated listing snapshots, with configuration, regional and sale conditions. They are not current offers. Unknown values remain unfilled.
Firmware, variants and available accessories can change. Read the original reference before making a purchase or planning a process.
Catalog references3 sources
- QIDI Max4 product page (US store) · 2026-08 · vendor
- QIDI Tech Max4 technical data table · 2026-08 · vendor
- QIDI X-Max 3 product page (US store) · 2026-08 · vendor
Ownership research & coverage
Firmware, modifications and troubleshooting links are checked against the model and stated hardware or firmware revision. A creator’s compatibility claim is not a fit test by this site. Official troubleshooting describes a diagnostic route; individual reports do not establish a failure rate.
- QIDI Max4 model documentation · Checked 2026-10-20