How to Use the Fuji Q4 Paint Sprayer & Fuji T70 Spray Gun

Learning how to use a paint sprayer on furniture for the first time can be overwhelming. I’m here to take that overwhelm away! Today I’m sharing how to use the Fuji Q4 Platinum paint sprayer and the Fuji T70 spray gun.

These tools are perfect for tackling any furniture painting project, big or small. And with our guide, you’ll be able to use this combo with ease and confidence, for pro looking results every time!

fuji t70 spray gun with fuji q4 turbine in the background

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So I’ve had this Fuji Q4 paint sprayer that comes with a T70 spray gun for a few years now, and I absolutely love it, so I think that it’s time that I share exactly how to use it with you.

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First, let me just say that owning a Fuji Q4 paint sprayer is like having your own personal professional painter at your fingertips. The brand is known for their high quality and topnotch tools, which are must-haves for any DIY-er.

But don’t worry, this tool is not just for the pros. This guide will break down everything you need to know about using the Fuji Q4 paint sprayer and T70 spray gun, from adding paint to it to cleaning it after use.

Let’s dive in!

Supplies for Using the Fuji Q4 Paint Sprayer & Fuji T70 Spray Gun

How to Add Paint to Fuji Q4 Sprayer Container

First things first, adding paint into the sprayer’s container. Instead of just pouring the paint straight in, I like to pour the paint into a filter first, so I don’t get any dried-up paint, or clumps of anything in the sprayer.

Seriously, the smallest little thing can clog the paint sprayer. So even if I’m using a new container of paint, I always always always pour the paint into a filter first.

pouring chalk paint into a filter on the paint sprayer container

There are reusable paint filters, or there are even disposable paint filters. Either way, just set it on the container, pour your paint into it, and let it filter out of the filter and into the container.

If you’re going to thin out your paint, you can add some of the thinning agent to the paint while it’s filtering to make it go through the mesh faster.

How to Thin Paint for the Fuji Q4 Paint Sprayer

Then I like to thin out my paint.

Do you have to thin paint for a HVLP sprayer?

Yep, my Fuji Q4 turbine is completely capable of spraying thick paints, even thick chalk paint. But, just because it can doesn’t mean it’s the best way.

I’ve sprayed thick chalk paint from this sprayer before, but the finish was bumpy and not a super fine finish that I like.

spraying a dresser blue with the fuji q4 sprayer

So, I like to thin out my paint a little bit. With this sprayer though, I’m not usually particular about how much I thin out the paint. 

My cheap paint sprayer needs to have the paint almost an exact thickness or else the paint has more of a texture.

But this sprayer has way more forgiveness in it. I’ve never had to measure out the exact water to paint ratio with this sprayer.

pouring alkyd paint into a filter and into the sprayer's container

How do you thin paint for a HVLP gun?

Obviously, if you’re using waterbased products, you thin it out with water or a water based thinning agent. If you’re using other products, you’ll need to use a thinning agent that is compatible with it.

But for now I’ll just talk about water based products, because that’s what I stick to.

As a rule of thumb, it’s best to not thin paint out more than 10-20%. So for a quart of paint, don’t add more than about  ¾ of a cup of thinning agent. After I add the water I mix it up really really good with a paint stick. And then I latch the top of the spray gun onto the container.

For a detailed guide on thinning paint for a sprayer, here’s how to thin paint for a sprayer!

How to Spray with the Fuji T70 Spray Gun

Here are the controls you can tweak to get your desired coverage and finish.

Attaching the Spray Gun to the Hose

When it’s time to attach the sprayer to the hose, simply pull down on the quick connect end of the hose, stick the end of the sprayer into the hose, and let the end of the hose pop back up around the sprayer.

attaching t70 spray gun to the fuji whip hose

Testing Sprayer and Spray Gun

Before I spray on my project, I like to test the spray on some cardboard, or paper.

spraying paint onto a cardboard box before spraying the dresser

This lets me get the settings just right before I spray onto my piece.

Adjusting Material Flow

First I typically adjust the material flow knob on the back of the sprayer. When it is turned all the way clockwise, only air will come out of the sprayer.

turning the material flow knob

As you turn the dial counter clockwise, it makes it so the needle can be pulled back more, making it so more paint can come out of the sprayer as you pull back the trigger.

So first I get it set to how much paint I want to come out.

Adjusting Width of Spray

Then I adjust the width of the spray with the dial on the side of the sprayer. When the arrow on the dial is pointed toward the front of the sprayer, the spray will come out more at a point.

adjusting the fan knob

When the arrow on the dial is pointed up, the spray will come out in a full fan effect. I personally like to have it set somewhere in the middle.

Adjusting Direction of Spray

Then I make sure that the direction of the spray is right. You can turn the air cap on the front to make it spray vertical, or turn it so it will spray horizontal.

turning the air cap to adjust the direction of the spray

As you turn it around the spray will spray perpendicular to how the bumps are lined up.

So if you need it to spray in a fan at an angle, you just turn the air cap to be perpendicular to that angle you need.

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Spraying with the Fuji Q4 Paint Sprayer

Then it’s time to spray. I personally try to keep my wrist locked while I move the sprayer back and forth. I like to go from one edge to the next as I move across or up and down the piece.

spraying a dresser with the fuji t70 paint sprayer and mini cup attachment

As I spray back and forth I overlap the spray by about 50% to get good coverage. This sprayer makes it really easy to adjust from spraying side to side to spraying up and down with a quick twist of the air cap.

I’ve also found that it’s best to be in a well-ventilated area so the spray that gets in the air doesn’t settle on the top of my freshly painted furniture. When it does, it makes it feel rough.

If I’m outdoors where the spray can move around and spread out, then I don’t usually have that problem.

But if I’m in a smaller area with very little air circulation, then the spray dries in the air and settles on my somewhat wet paint, making it feel rough.

spraying the top of a white tv stand

So then I have to sand it down to make it feel smooth again. I’m sure a large fan would help move the overspray out, but I haven’t figured how to set that up yet in my basement spray booth.

How to Clean Fuji Q4 Paint Sprayer and Fuji T70 Spray Gun

After the painting is done, it’s time for the part that a lot of people worry about. It’s really Not. That. Bad. Seriously. It usually takes about 5-10 minutes to clean it out after regular use.

pouring water and dawn dish soap into the sprayer container to clean it out

Every once in a while I have to do a deeper clean, but honestly for the most part it just takes about 5 minutes to clean it out.

If I’m using chalk paint, or something that cleans up really easily, then I can get away with letting it sit in the sprayer for the day while I paint all of the coats of paint.

If it’s something that is harder to clean up, then I clean it the second that I’m done spraying one coat. Learn more about cleaning the Fuji Q4 paint sprayer here.

How to Assemble Fuji Q4 Paint Sprayer and Fuji T70 Spray Gun

When it’s all dry, I put it back together. The biggest thing to keep in mind when putting it back together is to screw the tip on tightly before putting the needle in and screwing on the fluid adjusting knob.

twisting off the tip with the included wrench

I’ve put the needle in first and I ended up with a mess with the needle stuck in the tip. Ooops!

Check out the video version of this blog post here:

Fuji Spray Tips

I personally like to use the 1.3mm tip and needle. I have the 1.5mm and the 1.8mm, but when I tried to use them, I didn’t love them.

1.3mm air cap set including the tip, needle and air cap

Technically I think the 1.3mm is best for polyurethane, and you’re supposed to use the 1.8mm for paint. But I felt like the 1.8mm left too much texture for my liking.

Fuji Flexible Whip Hose

I have the flexible whip hose connected to the regular Fuji hose. The flex hose is extra flexible and lighter than the regular hose that comes with the sprayer, so it makes it easier to spray.

holding the fuji whip hose

Plus it adds some extra length to the sprayer since you’re supposed to keep the turbine somewhere around 20 feet away from where you’re spraying.

Remote Starter

One of the best things that I bought for my setup is this remote starter. Now I can turn the turbine on and off without walking over to the turbine.

holding the remote starter

 All you do is plug the turbine into the remote’s special plug, and then plug that into the power. Then the remote talks to the plug and turns your turbine on and off for you.

Mini Cups

If the 1 quart cup is too big for a project, then I switch it out for these mini cups that hold about a cup of paint.

regular quart container vs the 8oz mini cup

I just use the wrench to loosen the coupler in front of the trigger. Lefty loosy, righty tighty. The first time it might be super super super tight.

t70 sprayer with 8oz mini cup attached

But once you get it off, you can attach the spray gun to the top of the mini cup lid. I love these mini cups for small projects or tight spaces!

My Honest Fuji Q4 Platinum Review

Alright, so after all of that, what are my honest thoughts on this sprayer? Well…

Super Fine Finish

First and foremost, the super fine finish that this sprayer creates is amazing.

I don’t have problems with fish eye, texture, splatters… none of that nonsense that you commonly get with cheap or beginner paint sprayers.

It straight up creates an amazing, basically perfect finish with basically any paint.

Fine finish on furniture from spraying with Fuji Q4 sprayer

Very Few Problems

I’ve heard so many complaints about how paint sprayers always have issues.

I’ve had this sprayer for almost 3 years now, and I have had only a handful of problems when using it multiple times a month.

The problems I’ve had have always been resolved by taking the sprayer apart a little bit more and cleaning everything out just a little better.

I think about every 6-8 months I’ve had to spend a little more time deep cleaning it.

Fuji Spray Customer Service

One time I couldn’t figure it out, so I contacted Fuji, and they were quick to help me troubleshoot where the dried-up paint was blocking the airflow.

Fuji Q Series vs Mini Mite Series

I bought the Q series which is more expensive than the Mini Mite series. I bought it because the Q series is quieter.

And honestly, I’m not sure if it was completely worth it. It’s still loud, but it’s definitely not as loud as my shop vac and other tools.

I think that buying the Mini Mite 4 would be a great way to save some money, but still have an awesome sprayer.

And that’s basically it! You can read more about my honest review and thoughts on the Fuji Q4 paint sprayer here. If you have any questions, please let me know in the comments.

P.S If you are looking for something a little more budget-friendly, but will still get the job done, check out this HomeRight Super Finish Max paint sprayer.

What projects can you use the Fuji Q4 Paint Sprayer & Fuji T70 Spray Gun for?

If you have your own a Fuji spray system or thinking about getting one, you may be wondering what projects these sprayers are best for. Of course, painting furniture is a popular use for the Fuji Q4 Paint Sprayer & Fuji T70 Spray Gun. This ranges from small nightstands to large dressers and everything in between.

But the versatility of these sprayers extends far beyond just furniture. If you’re looking to do heavy duty painting projects, such as repainting a room or an entire exterior of a house, this Fuji combo is up for the task.

You can also use them for automotive projects. Whether you’re touching up your car’s paint job or giving it a whole new look, the Fuji Q4 and T70 Spray Gun can handle it.

What materials can you spray with the Fuji Q4 Paint Sprayer & Fuji T70 Spray Gun?

Now we know that the Fuji Q4 spray has many purposes, but what can we use with it? It’s important to also know what kind of materials it can handle.

Luckily, the Fuji Q4 and T70 Spray Gun are versatile enough to spray a wide range of finishes such as stains, lacquers, varnishes, enamels, and acrylics.

But make sure to check the instructions of your specific material before spraying it with the Fuji Q4. Some materials like paint may need to be thinned out before using them with this sprayer. Just follow our guide above on how to thin paint for spraying and you’ll be good to go!

Knowing that you can use this sprayer for a variety of projects and materials makes it a valuable tool to have. So if you’re looking to invest in a high quality paint sprayer that can handle multiple tasks, getting the Fuji paint sprayer would be a smart choice.

How to Use the Fuji Q4 Paint Sprayer & Fuji T70 Spray Gun

Fuji Q4 Paint Sprayer

Learning how to use a paint sprayer on furniture for the first time can be overwhelming. I’m sharing how to use a Fuji Q4 Platinum paint sprayer and the Fuji T70 spray gun.

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