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NEJE Max 4 E40 Settings & Speeds

Updated August 2026 · 9 tested settings · 5 materials

Accessories

Essential laser accessories

Every NEJE Max 4 E40 owner eventually needs these. Goggles first: always.

Laser safety goggles: diode (450nm)OD5+ rated at 450nm. Required for any open-frame diode laser.Shop on Amazon →
Honeycomb cutting bed (400×400mm)Lifts work off the bed, prevents flashback marks, improves airflow under material.Shop on Amazon →
6-inch digital calipersMeasure material thickness before entering settings: essential for consistent focus.Shop on Amazon →
Welding fire blanketFibreglass blanket under and around the machine: standard laser safety recommendation.Shop on Amazon →
Photoelectric smoke alarmMount above the machine: photoelectric type responds faster to laser fumes than ionisation.Shop on Amazon →
Lens cleaning wipes (Zeiss)Keep the laser lens clean: residue reduces power and causes inconsistent burns.Shop on Amazon →
Air assist pump kitSmall diaphragm pump with tubing and nozzle: keeps the lens clear and improves cut quality.Shop on Amazon →
Roller rotary attachment4-wheel roller style, fits most open-frame diode machines. Engrave tumblers and round objects.Shop on Amazon →
4-inch inline duct fanExhaust smoke out a window: pair with a carbon filter cartridge for indoor use.Shop on Amazon →
4-inch carbon filter cartridgeReplacement filter for inline fan exhaust setup. Change every 3–6 months depending on use.Shop on Amazon →
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The NEJE Max 4 E40 is a 11W diode laser engraver. This page lists 9 community-tested settings covering speed, power, passes, air assist, and DPI across a range of materials. Always run a test cut on scrap material first: results vary depending on your material batch, focus, and ambient conditions.

Related ToolsJig Templates →Rotary / Tumbler Calculator →Photo → SVG Vectorizer →Personalised Gifts →
Power11W
Laser Typediode
+ Submit a setting⎙ Print cheat sheet

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Materials covered

Stone

Don't see your material?

9 settings

Slateengrave
Speed2500 mm/minPower68%Passes1

White engrave on slate — invert image, wipe clean with a damp cloth after. 10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy Slate →
Genuine Leatherengrave
Speed1500 mm/minPower45%Passes1

Rich warm-brown mark on veg-tan leather. 10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy Genuine Leather →
Genuine Leathercut
Speed800 mm/minPower85%Passes2
💨 Air Assist

For 2–3mm veg-tan leather. 10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy Genuine Leather →
3mm MDFengrave
Speed2000 mm/minPower40–45%Passes1

10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy 3mm MDF →
3mm MDFcut
Speed250 mm/minPower100%Passes4
💨 Air Assist

MDF chars heavily — air assist critical, ventilate well. 10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy 3mm MDF →
3mm Clear Acrylicengrave
Speed2500 mm/minPower40–45%Passes1

10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy 3mm Clear Acrylic →
3mm Clear Acryliccut
Speed700 mm/minPower100%Passes4
💨 Air Assist

Clear acrylic is challenging for any diode — 4 passes at full power. Cast acrylic cuts more reliably than extruded. 10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy 3mm Clear Acrylic →
3mm Basswood Plywoodengrave
Speed3500 mm/minPower55%Passes1

10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy 3mm Basswood Plywood →
3mm Basswood Plywoodcut
Speed300 mm/minPower95%Passes2
💨 Air Assist

10W-class diode baseline — consistent with other 10W diode machines in the settings database (Sculpfun S9, Ortur Laser Master 3, xTool M1). Always test on scrap first; individual units vary.

Buy 3mm Basswood Plywood →

Shopping for a NEJE Max 4 E40? Check the current price.

See price on Amazon →

From the Blog

→ Laser Cutting Cardstock Without Scorching: CO₂ & Diode Settings→ Laser settings for wood: speed, power, and passes for every type→ How to laser engrave leather: settings, types, and what actually works

Frequently Asked Questions

What materials can the NEJE Max 4 E40 engrave or cut?

The NEJE Max 4 E40 has community-tested settings for Slate, Genuine Leather, 3mm MDF, 3mm Clear Acrylic, 3mm Basswood Plywood. Results vary by material batch, focus, and ambient conditions: always test on scrap first.

What settings should I use to cut Genuine Leather on the NEJE Max 4 E40?

A community-tested starting point is speed 800 mm/min, power 85% in 2 passes. Enable air assist for a cleaner edge. Always run a test cut on scrap to confirm before committing to your project.

Can the NEJE Max 4 E40 engrave metal?

Diode lasers can mark anodized aluminium, coated metals, and powder-coated surfaces without any spray. For bare steel, brass, or copper you need a marking compound like Cermark or Dry Moly. Fiber lasers mark bare metal directly without any coating.

Compare with similar machines

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What Makers Say

★★★★★5.0· 6 reviews
View all on Etsy →
★★★★★

"Used it with a Glowforge: engraved beautifully with no changes. I will be purchasing more digital downloads from this shop."

: Anna

★★★★★

"I was struggling with lining up my NFC business cards. I was able to not only line them up much better but also do multiple cards at once: making that job so much easier."

: Camp

★★★★★

"Excellent quality and design. Cut clean and neat!"

: LYNN

★★★★★

"Great jigs. Appreciate the time saved not having to build this from scratch!"

: Bruce

★★★★★

"Excellent quality. Item as described. Expectations exceeded."

: Michael

★★★★★

"This template made my slate coasters so much easier. 4×4 coasters from Michaels drop in easily and are easy to remove. Def worth it."

: chris

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