User Manual
Version 2.6
Glowforge Pro | Glowforge Plus | Glowforge Basic
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Introduction
We are over-the-moon excited to introduce you to your Glowforge 3D Laser Printer. It’s here. You’re here. This is a big deal.
With your Glowforge, you’re going to do incredible things. You’ll build that custom storage solution
that you can’t seem to find in stores. You’ll make the best birthday present your aunt has ever received.
You’ll start a business that knocks the socks off of every customer. You’ll do things you haven’t even dreamed of yet.
But before you can do any of that, there's this.
Our job is to make sure that every part of the Glowforge experience is delightful. We’re sorry, but it is important that you read a few pages that are not delightful: the ones about safety. They’re a little dry, and a bit scary. Most of this manual is dedicated to helping you create beautiful things, but this part was written by our safety team, in the most direct language possible, to make absolutely certain you can operate your Glowforge printer safely.
Then, after the safety talk, we’ll get back to the fun part: unboxing, the easiest laser setup you’ve ever seen, and... Laser Time! Your very first Glowforge prints.
We’re deeply humbled to be able to count you among our brilliant, thoughtful, creative, and inspiring customers. We can’t wait to see the amazing things you’ll do.
PS: If you see anything that is unclear or seems incorrect, please let us know immediately at support@glowforge.com.
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Safety
Now, it’s time to get serious. Improperly operating the Glowforge unit can cause fire, eye or skin injury from laser exposure, or exposure to chemicals that may be health hazards. These can result in serious injury or even death.
Before you start
●Read this manual before using your Glowforge printer, and ensure everyone else who uses it reads this too.
●Always follow all instructions in this section and in the Glowforge App.
●Children require the supervision and assistance of an adult at all times.
●Do not use your Glowforge printer while under the influence of alcohol or drugs.
●Lasers are subject to regulations and standards, particularly when installed in an educational institution or place of work. Ensure that you comply with all applicable rules.
●Do not touch the head or arm of the Glowforge unit while the power is on. If you do so by accident, turn it off, then back on again to prevent the possibility of damage.
●Parts of this product are made of glass that could break under impact. Should that happen, be careful to avoid injury by broken glass pieces.
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Electrical Safety
To reduce the risk of electric shock or fire:
●Do not try to service, repair, or modify the Glowforge unit.
●Never try to access the wiring of the Glowforge unit.
●Do not open the power supply or any other sealed portion of the Glowforge unit.
●If the Glowforge unit is damaged, unplug the power cord and contact support@glowforge.com immediately.
●In the event of any emergency or malfunction, unplug the power cord on the back of the unit.
●Use only a properly grounded outlet that meets local building codes and has least 800 watts of power available.
●The power cord is intended to serve as the disconnect device. Make sure the outlet is near the equipment and easily accessible, so you can unplug the unit if needed.
●The minimum rating of the circuit breaker, also known as an over-current protective device, on this circuit feeding the outlet should be at least 15 amps.
Fire Safety
The Glowforge unit’s laser cuts and engraves with a beam of high-intensity infrared light. The laser can generate extremely high temperatures in the material being cut or engraved. Under some circumstances, it is possible for the material inside the Glowforge unit to ignite and for the flame to spread outside of the area being cut or engraved. If ignited, the flame could destroy your unit and spread, potentially setting fire to the building.
Fire Risk
●Do not put anything inside the Glowforge printer that is not laser-compatible, even if you do not intend to cut or engrave it. Learn more about laser-compatible materials below.
●Do not stack materials; for example attempting to cut two or more sheets of material at a time. Multiple sheets are more likely to burn.
●Clean out leftover bits inside the Glowforge unit when it builds up. (See “Cleaning”)
●Do not place things on top of the Glowforge unit. Do not store things that can catch fire above it.
●Do not store sources of flammable vapors like paint, acetone, gasoline, or alcohol in the same room as your Glowforge unit. Flammable vapors could be ignited during operation.
●When a print is complete, certain materials, like plastics, can remain hot. Allow them to cool down before you touch them.
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Keep watch during operation
●Never leave the Glowforge unit unattended while operating – either when it’s paused and ready to print (with the button flashing) or while it’s actually printing (with the button on). Always stay within sight and look inside frequently.
●A small, candle-like flame where the laser beam strikes the material is normal. This flame should move with the laser and should not remain lit when the laser has moved past.
●If there is a lasting flame inside the Glowforge unit that does not extinguish when the laser has moved past:
1.Pull the plug on the back of the unit.
2.If it is safe to do so, extinguish the fire with a wet towel. Note that water may damage your Glowforge.
3.If that is not an option, then if it is safe to do so, extinguish the fire with a fire extinguisher. Note that fire extinguishers may cause damage to your Glowforge.
4.If the fire cannot be safely extinguished or if it spreads outside the Glowforge unit, call your local emergency number (for example 911) and evacuate the building.
5.Do not operate the unit further until you have contacted Glowforge for service information at support@glowforge.com.
Laser Safety for all Glowforge Printers (except where noted)
Laser Products
The Glowforge Basic 3D Laser Printer and the Glowforge Plus 3D Laser Printer are Class 1 laser products which contain an embedded Class 4 laser. The Glowforge Pro 3D Laser Printer is a Class 4 laser product. The laser in your Glowforge emits enough infrared light to cause instant skin and eye injury, or start a fire. This infrared laser light is invisible. The Glowforge unit has a case and glass lid which block harmful levels of infrared and ultraviolet light to allow you to operate the laser safely.
CAUTION! Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
Do not use if glass or case are damaged or modified.
Any damage or modifications could allow dangerous contact with moving and/or electrical parts, and/or allow infrared and ultraviolet light, heat, smoke, and fumes to escape.
Safety interlock switches on the front door turn off the laser immediately if they are opened. Do not place magnets near the lid or doors as they can interfere with the switches. Do not try to defeat the switches.
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Do not modify or service
CAUTION! Attempting to modify or service the Glowforge unit may result in hazardous laser light exposure.
To reduce the risk of injury:
●Do not attempt service. All service must be performed only by the Glowforge factory or by factory-authorized technicians.
●Do not attempt to alter or modify the unit.
●Only use the front door or top lid to open the case. Do not try to open the case any other way, such as by drilling holes, removing fasteners, or removing coverings.
●Do not try to disassemble or open sealed portions of the Glowforge unit, including any protective coverings or housings.
●If the crumb tray is removed, use extreme caution to ensure that the laser only strikes laser-compatible material, and does not touch the metal bottom of the unit which could cause a reflection and damage the unit.
Glowforge Pro Only: Class 4 Laser Safety & LSO Training
Because the Glowforge Pro has pass-through slots, it is a Class 4 laser device. For safe operation, a Class 4 laser device should be operated under a laser safety program under the control of a Laser Safety Officer (LSO). Training for LSOs normally costs more than $1,000, but Glowforge has worked
with leading laser safety training experts to prepare materials so that you can act safely as the LSO for your Glowforge Pro.
These materials will train you to operate your Glowforge Pro in Class 1 conditions, which do not require additional special precautions. If you need to operate your Glowforge Pro in Class 4 conditions, these materials will explain what you must do in order to operate it safely. They will also provide you with an overview of laser physics and safety concerns, and processes to follow.
You must read, understand, and follow the Glowforge Pro Training Materials to use your Glowforge Pro.
The Glowforge Pro LSO Training materials are emailed to all Glowforge Pro owners as a password-protected PDF.
Smoke and Fume Safety
When you use your Glowforge, the laser creates visible and invisible aerosols, gases, vapors, and particulates (referred to here as “smoke and fumes”). The smoke and fumes can include carbon monoxide and other chemicals which present health hazards, as well as being unpleasant and stinky.
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The chemical composition of the smoke and fumes depend on the material being lasered. Smoke and fumes from laser-compatible materials are controlled by exhaust or filtration.
Exhaust
Only operate your Glowforge unit when it is exhausted to the outdoors or through the Glowforge Air Filter. Failure to exhaust will cause smoke and fumes to escape into the room, presenting a risk of health hazards or death.
If you exhaust outdoors, be sure that the exhaust location won’t be bothersome to neighbors or passers-by, and don’t forget to check your local rules for air quality regulations that may apply to you.
To prevent smoke and fumes from escaping the unit, do not open the lid until the fans stop.
Follow all of the instructions in “Setting Up” carefully.
There may be some odor present while printing. However, if you detect a strong, sharp smell that also causes eyes, nose, or throat irritation, or if there is visible smoke escaping while the lid is closed, stop immediately and re-check your exhaust setup. If the irritation and/or smoke emissions do not abate, discontinue using your Glowforge and contact support.
Pro Users: There may be small openings around the edges of the passthrough slot. This is expected; your Glowforge Pro’s powerful fans will whisk smoke and fumes away into the exhaust hose.
Safety Equipment
Be sure carbon monoxide detectors are installed and tested in the building as recommended by local codes and manufacturer recommendations.
Materials Safety
Laser-Compatible Materials
“Laser-compatible” refers to materials that can be safely processed with the CO2 laser in the Glowforge unit. Materials that are not laser-compatible may catch fire, emit hazardous smoke and fumes that cannot be controlled by exhaust or filtration, and are a health hazard to you, your neighbors, and your Glowforge printer. For this reason, you must only put laser-compatible materials in the Glowforge unit.
Proofgrade™ materials
Glowforge sells a line of Proofgrade materials that are laser-compatible and give top-quality results when used with the Glowforge printer. To learn more about Proofgrade materials, go to glowforge.com/materials.
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Laser-compatible materials from other suppliers
Other suppliers like Inventables.com sell material that they indicate is laser-compatible. If you are uncertain, ask the supplier if the material may be processed safely with a CO2 laser.
Food Safety
Many food products can be engraved, and some can even be cut. However, residue from prints on acrylic or other materials might be present in your Glowforge and could contaminate food that you put in your Glowforge. For that reason, if you use your Glowforge for materials other than food, then don’t eat any food you put inside it.
What if I’m not certain whether my materials are laser-compatible?
If you aren’t completely sure that your material is laser-compatible, do not put it in the Glowforge unit.
●Some materials look similar to laser-compatible materials, but are different. For example, vinyl can be mistaken for some laser-compatible materials but emits harmful smoke and fumes.
●Materials may have contaminants, coatings, or additives that are not laser-compatible.
For example, certain plywood glues, inks, adhesives, dyes, and paints may not be laser-compatible.
●Some materials can reflect the laser and damage your Glowforge unit. For example, copper and chrome can reflect the infrared laser light.
Materials must fit
Materials that do not fit properly may obstruct operation and result in damage and increased risk of fire.
●Materials must be no more than 21 in. wide and must not be so long as to touch the end of the Glowforge unit. Material must be less than ½ in. tall if the crumb tray is in, or less than 2 in. tall if it is removed.
●Materials must not extend past the side of the crumb tray (if it is being used) or the metal bottom of the print area (if not).
●Do not place rolled-up material in the Glowforge. It may be too tall, or unroll during printing, obstructing operation.
Materials must be flat
●Materials must be flat so they rest on the crumb tray.
●While a bulge is acceptable, for example from warped wood, the highest point of the material may not extend more than ½ in. above the crumb tray.
●Material must never double back on itself, for example curling up.
●Should material curl or bend so it reaches more than ½ in. above the crumb tray during a print, turn off the power immediately.
●If the material has a protective paper or plastic coating, that coating must be firmly affixed to the material. If it begins to peel off, discard the material and do not print on it.
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Operating Environment
To prolong the life of your Glowforge unit and to reduce the risk of fire or mechanical failure, do not put the Glowforge unit where it could experience:
●Extreme temperature or humidity
○Temperatures below 40 degrees Fahrenheit (5 Celsius) or over 120 degrees Fahrenheit (48 Celsius)
○Extreme humidity conditions (below 10% or more than 75%)
○If venting outdoors, ensure that changing conditions do not cause extreme temperatures or humidity to enter the Glowforge unit through the exhaust hose. Disconnect the hose from the outside air when the Glowforge is not in use.
●Direct sunlight
●Rain, moisture, or liquids
●Excessive hair, dust, or small particles
●Loose materials such as paper or a tablecloth that could be sucked into the air intake on the bottom of the Glowforge
Print when the ambient temperature is within the following ranges. Printing outside these ranges may cause your print to pause periodically or fail to complete.
●Basic and Plus: Between 60 degrees Fahrenheit (16 Celsius) and 75 degrees Fahrenheit (24 Celsius)
●Pro: Between 60 degrees Fahrenheit (16 Celsius) and 81 degrees Fahrenheit (27 Celsius)
Stop Using Your Glowforge Unit If….
If any of the following occur, immediately turn off the power switch, unplug the unit, and contact support@glowforge.com. Do not use your Glowforge unit again until the issue has been addressed by support.
●The default settings for a piece of Proofgrade™ material do not cut through the material even after cleaning the lens and windows
●There is a fire in the unit which persists after the laser turns off
●The head stops moving but the laser is on
●The unit’s button turns any color other than white, yellow, or teal
●You see any damage or discoloration to the case
●There are any cracks or chips in the glass tube or lid
●You see any moisture present inside the Glowforge unit
●You see any damage to the interior components of the Glowforge unit
●You notice unusual light coming from the unit that was not occurring previously.
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●You notice an unusual sound coming from the unit that was not occurring previously
DE: Informationen zur Sicherheit finden Sie im Anhang.
IT: Trovare informazioni sulla sicurezza nell'appendice.
ES: Encuentre información sobre seguridad en el apéndice.
FR: Retrouvez les informations de sécurité en annexe.
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Glowforge Models
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Pro |
Plus |
Basic |
CDRH Classification |
Class 4 |
Class 1 |
Class 1 |
Warranty |
12 months |
12 months |
6 months |
Laser power rating |
45W |
40 W |
40 W |
Upgraded hardware for improved speed |
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Enhanced top speed |
3x |
2x |
1x |
Faster cut speed |
120% |
100% |
100% |
Enhanced cooling for all day use |
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Giant sized prints with Passthrough slot |
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See “Using Your Glowforge Pro” |
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TUV Certified to UL Standards (only |
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when indicated on label on back of unit) |
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Glowforge Regulatory Information
In the United States, lasers are regulated by the federal Center for Devices and Radiological Health (CDRH), a subsidiary of the federal Food & Drug Administration (FDA). The CDRH and the FDA, in conjunction with other agencies, help ensure that laser devices, from CD players to industrial lasers, can be used safely.
The Glowforge Basic unit is a Class 1 laser product containing an embedded Class 4 CO2 laser and a Class 1 laser diode. Because the Class 4 laser is fully contained in a Class 1 enclosure, this laser product is designated as a Class 1 laser product during all procedures of operation.
The Glowforge Plus unit is a Class 1 laser product containing an embedded Class 4 CO2 laser and a Class 1 laser diode. Because the Class 4 laser is fully contained in a Class 1 enclosure, this laser product is designated as a Class 1 laser product during all procedures of operation.
The Glowforge Pro unit is a Class 4 laser product containing an embedded Class 4 CO2 laser and a Class 1 laser diode. It is designated as a Class 4 laser product.
The included CO2 laser has the following characteristics:
●Wavelength: 10.6 µm continuous wave (CW)
●Internal laser power: less than 100 watts peak
●Beam diameter: less than 5mm at aperture
●Beam divergence: less than 1.2mrad
The included laser diode has the following characteristics:
●Wavelength: 635nm - 650nm CW
●Internal laser power: less than 0.39 milliwatts peak
The Glowforge unit is manufactured by:
Glowforge
2200 1st Avenue South, First Floor Seattle, WA 98134
For more information or support, contact support@glowforge.com
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The following label information applies to the Glowforge Basic
This label appears on the back of every Glowforge Basic, with an appropriate serial number, in the spot indicated by the arrow in the diagram below.
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The following label information applies to the Glowforge Plus
This label appears on the back of every Glowforge Plus, with an appropriate serial number, in the spot indicated by the arrow in the diagram below.
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The following label information applies to the Glowforge Basic, Plus and Pro
This label appears on the laser tube in the spot indicated by the arrow in the diagram below and indicates that there is a high voltage shock hazard.
Cette étiquette apparaît sur le tube laser à l'endroit indiqué par la flèche dans le diagramme ci-dessous et indique qu'il y a un risque d'électrocution à haute tension.
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The following label information applies to the Glowforge Pro
The Manufacturer’s Label and Aperture Label will appear on the back of every Glowforge Pro, with an appropriate serial number, in the positions indicated.
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The Hazard and Explanatory Label appear on the right side of every Glowforge Pro in the position indicated.
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Unboxing & Setting Up
Let's Get Started
If you’ve read about Safety, you now know everything you need to operate your Glowforge safely, and that’s pretty cool. Thank you for your patience. Now, it’s time to get lasering!
Unboxing shouldn’t take too long – we can’t wait for you to get started with your first print, either. In just a few minutes, you’re going to have a working laser in your home (or office, classroom, workshop, or design studio)! Of course, if you encounter any challenges along the way, our Customer Success team can be reached at support@glowforge.com.
Before you start, be sure you have a stable surface on which to place your Glowforge where you’ll have nearby access to an electrical outlet and exhaust vent.
Let’s get started, shall we?
Any damage?
If your packaging or any part of your Glowforge shipment is visibly damaged on arrival, we want to make it right as soon as possible! Send photos of the damage to support@glowforge.com and wait until you hear back from us. If the Glowforge itself is visibly damaged, do not plug it in or attempt to operate it; contact us immediately.
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Getting Acquainted
Here’s a quick tour of parts you’ll need to know:
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Your Glowforge 3D Laser Printer & Accessory Pack
Your shipment arrived in one or two boxes. The largest box contains your Glowforge printer and, shipped inside your Glowforge for safety, the printer head. We suggest telling the neighbors the box contains a big microwave, so they don’t pester you all day to use it.
The box that’s short and wide is your Glowforge Accessory pack. This either in the large box or a stand alone package. It contains your your Proofgrade™ materials along with your accessories. Set it to the side for just a few minutes.
Remove straps and edge protectors (Selected Packages)
If your Glowforge box has straps and edge protectors as shown, cut the straps and remove the edge protectors. You do not need to save these with the rest of your packaging.
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Open Handle Locks (Selected Packages)
We've designed the packaging to make it easy to get your Glowforge out.
The box is specially designed to protect your Glowforge through all shipments, domestic and international. Be sure to keep the box and packing materials, as you'll need them if you want to transport your Glowforge again or for any warranty repair.
Identify Handle Locks
Your Glowforge box is locked tightly
by 4 handle locks on the bottom of
your box. (If your box doesn’t have them, skip to the next section!)
Unlock the 4 Handle Locks
Hold the white tab on the right side
of each white box handle.
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Open the Handle Locks
Pull each white tab from right to left, opening the handle like a door.
Remove the Handle Locks
Gently pull the frame of the white handle to remove it from the box.
Keep all 4 Handle Locks
These lock The Glowforge Box together and are Required for proper shipping of your Glowforge unit.
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Choose a Location
Choose a location in a well-ventilated room with a 4“ outdoor exhaust vent.
This is the same type of vent used to connect a dryer. The exhaust vent should be at least 3 feet from property lines and openings into a building, and at least 10 feet from mechanical air intakes. You can also put the hose out an open window, so long as the end of the hose is at least 3 feet from the window and meets the other criteria above.
Prepare a Surface
Get a hard, flat, and stable surface ready. If the surface is unstable, uneven, or too small, then you could have inaccurate prints, the doors may not close properly, and the camera might be misaligned. You could even damage your Glowforge.
Unseal your Glowforge box
Carefully cut both strips of tape sealing the underside of your Glowforge box.
Remove the Lid. First peek: that’s your very own Glowforge!
Remove the top layer of protective foam. If your Accessory pack shipped inside your Glowforge box, you’ll find the protective foam underneath the top pad.
Unfold the plastic covering so that you can lift your Glowforge out.
Your Glowforge is shipped in a protective plastic bag to protect it from the elements during shipping. Unfold the plastic bag without cutting or tearing it, and move it to the sides so you can reach in. Be sure to keep the plastic bag in case you need to ship your Glowforge again.
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Have two people lift the Glowforge unit out of the box.
Leave a Little Room
Place the unit with at least an inch of clear space in all directions. Do not block the air intake on the bottom right side of the Glowforge unit.
Confirm Safety Equipment
Confirm that your safety equipment meets requirements: See Fire Safety, Smoke and Fume Safety.
Remove Printer Head and Important Orange and Red Bits
We’ve secured your Glowforge with two foam blocks and several important orange and red bits. In addition to providing support during travel, the rear foam block also holds your Printer Head.
Remove the tape from the front of your Glowforge, then lift the lid & lower the front door.
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Remove the Front Foam Block
Gently pull out the foam closest to the lowered front door.
Remove Knobs
To the left and right, you’ll find red knobs. Unscrew and pull them out.
Reveal Printer Head and Lens Tool
Remove the top layer of the rear foam block to reveal your printer head
and lens tool.
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Remove Rear Foam Block
Gently remove the rear foam block, including the Printer Head and lens tool.
Set these aside for now. Don’t worry! You’ll power up your Glowforge in mere minutes.
Remove Orange Tape from Laser Arm
Pull the tape from the point farthest away from you towards you, then gently remove it from the wire ribbon. You don’t need to save the tape!
Remove Clip
Under the glass tube, you’ll find an orange clip. Push down on it and it will pop off.
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Remove Red Strips
Push the laser tube back gently, then lift off the two red silicone strips.
Glowforge Pro Only: Removing your Pro
Shields (optional)
Your two Pro Shields arrive installed inside your Glowforge Pro. They finger-screw right into the front and back passthrough slots of your Glowforge Pro to ensure that nothing - material or laser light - comes in or out when the slot is not in use.
The Pro Shields should always be installed except while the passthrough slot is in use. The Laser Safety Officer (LSO) training provided to Pro customers has important information about the Pro Shields. Please re-read it before removing them.
Should you need to remove them, follow these instructions:
Turn off your Glowforge
Turn off your Glowforge using the power switch on the back. The lights and button should be off.
Lower the front door and remove the crumb tray
Lift the lid, then lower the front door. Lift the crumb tray slightly and slide it towards you to remove it. Be careful not to tilt the crumb tray up, or it will knock into the laser arm and rails. Leave the front door open.
Remove the front Pro Shield from the front door of your Glowforge
With the front door opened, turn the black finger screws on either end of the Pro Shield counterclockwise to unscrew them, then lift the shield away from the front door.
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Using two hands, gently pull the laser arm to the front of your Glowforge
This will expose the rear Pro Shield so you can easily remove it.
Remove the back Pro Shield from the inner back wall of your Glowforge
Turn the black finger screws on either end of the Pro Shield counterclockwise to unscrew them, then lift the shield away from the wall.
Reinstall your crumb tray, close the front door, and turn on your Glowforge!
Instructions for installing your crumb tray are available.
Your Glowforge Accessory Pack
It’s time to open your Glowforge Accessory Pack. Inside you’ll find your jet black ferrous steel crumb tray, power cord, an exhaust hose, and two ring clamps.
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Copyright Glowforge, Inc. 2020
Glowforge Pro only: For more information about Pro Glasses and Pro Shields, see the Glowforge Pro Training Materials.
Slide In the Crumb Tray
The black and metal crumb tray sits inside the bed of your Glowforge, supports the material you place inside, and catches leftover print bits to keep your Glowforge nice and tidy. It has four little feet that rest in four little dimples. The handle goes in front, and the feet go on the bottom.
Lift the lid of your Glowforge & lower the front door
Gently move the Laser Arm. Using two hands, gently push the laser arm away from you until it’s near the back of the unit.
Pick up the Crumb Tray. Pick up the crumb tray - make sure the handle is in front and the wide black plastic strip is in the back.
Slide in the Crumb Tray. Slide it in until you feel the feet settle into the dimples in the base of the Glowforge unit.
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Make Sure the Handle is in Front. Check that the handle’s in the front, and the wide black part is in the back, just like the picture. Otherwise, you’ll have mysterious printing problems, and feel silly when we ask you if your tray is in backwards.
Close the Front Door
Snap in the Printer Head
Never connect or disconnect the printer head while the Glowforge is plugged in or you might break something.
Position the Laser Arm and Metal Plate
Gently slide the metal plate on the laser arm
all the way to the right, then push the arm to
the back of the unit.
Carefully Pick Up the Printer Head
Do not touch any part of the printer head that is not flat black metal. Be especially careful of the yellow window on the side of the head. Remove the printer head from the white foam tray and remove the orange foam cylinder from inside the head.
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Copyright Glowforge, Inc. 2020
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