The Ultimate 3D Printer Maintenance Checklist

Maintenance is an essential part of having a 3D printer. Like any machine, it needs a bit of care and upkeep from time to time to ensure it remains in working order. Whether you’re new to 3D printing or have an entire collection of custom 3D prints you’ve made, you’ll need to take care of your printer. 

The must-do maintenance tasks vary from day to week, week to month, month to quarter, and quarter to year. By completing these tasks, you can avoid issues like clogged nozzles, poor print quality, and mechanical malfunctions, ultimately maximizing your printer’s lifespan. Here are the tasks to add to your 3D printer maintenance checklist.  

What are 3D Printers?

A 3D printer, or three-dimensional printer, is a machine that creates a three-dimensional object using information from a digital model. It adds layers of plastics, such as composite or bio-materials, on top of each other to create the final product. These machines are incredibly versatile and can be used for a wide range of projects, from school science projects to functional crafts (like a planter or desk organizer). 

The Importance of Regular Maintenance

Like any machine, 3D printers need regular maintenance. They don’t last forever, but with proper care and upkeep, you can give them the best chance at lasting the longest. Without proper maintenance, you might run into issues such as clogged nozzles, poor print quality, and inconsistent filament extrusion. So, it’s best to stay on top of 3D printer maintenance tasks. 

Daily Maintenance Tasks

If you use your 3D printer daily, complete these maintenance tasks. Even if you don’t use your printer daily, it’s still a good idea to complete these tasks after each use. 

Clean the Print Bed

A clean print bed is essential to ensure the print adheres well and doesn’t end up as a failed mess. So, follow the manufacturer’s recommended cleaning instructions. Generally, this involves cleaning with a lint-free cloth and isopropyl alcohol to ensure the bed is debris-free. 

Inspect the Nozzle

Clogged and damaged nozzles can affect print quality. Before and after each print, take a look at the nozzle. Look for filament build-up or blockages. If you find issues, use a nozzle cleaning needle or a piece of fine wire to clear debris. If the clog is severe, a replacement might be necessary. 

Check Filament Quality

Good-quality filament is essential to produce quality prints. Check your filament for signs of damage or issues, such as moisture absorption, brittleness, or tangling. To ensure that the filament remains in prime condition, store it in a dry, sealed container with desiccant packs when you’re not using it. 

Weekly Maintenance Tasks

Some maintenance tasks need to be done frequently, but not quite as often as daily. Here are a few weekly tasks to add to your to-do list:

Lubricate Moving Parts

Each week, lubricate the moving parts. Proper lubrication helps ensure everything can move smoothly, reducing friction and wear on moving components. If you’re not sure what oil or lubricant to use on your 3D printer, check the manufacturer’s instructions. 

Tighten Belts and Screws

Take a peek at the belts and screws that allow the system to function. If these are loose, they might cause poor print quality and mechanical hiccups. So, check all belts for proper tension and tighten loose screws you come across. Don’t overtighten either—ideally, both should be taught but not overly tight. 

Calibrate the Bed Level

The print bed needs to be level to ensure that the print turns out well. If it’s tilted in any direction, the print may not adhere properly, and the final print quality might be poor. Use a piece of paper or a feeler gauge to verify its level, checking the distance between the nozzle and bed at multiple points. 

If necessary, adjust the bed level using the calibration knobs or screws. 

Monthly Maintenance Tasks

Select a day each month to tick off your monthly 3D printer maintenance tasks, including:

Deep Clean the Extruder

The extruder needs to remain clean and unobstructed to ensure consistent filament feeding and print quality. Each month, disassemble the extruder and thoroughly clean each component. While you’re cleaning, inspect each component for signs of wear or damage and replace parts as needed. 

Inspect the Cooling Fans

The cooling fans on your printer help prevent overheating and improve print quality. Check the fans, removing any dust and debris using compressed air. Confirm that the fans are spinning freely—if you find one that is noisy or not functioning properly, replace it. 

Check Electrical Connections

If your printer’s electrical connections are loose or damaged, they could become a safety hazard and cause printer malfunctions. Inspect all electrical connections, checking for signs of wear or damage. Replace any frayed or damaged wires. 

Quarterly Maintenance Tasks

Every quarter, complete these maintenance tasks:

Update Firmware

Firmware updates can boost your printer’s performance and fix known issues. While an update might not be available every quarter, it doesn’t hurt to check. You can find available updates on the manufacturer’s website. Generally, you’ll find instructions on how to update the printer’s firmware there, too. 

Inspect the Hot End Assembly

The hot end assembly is integral for proper filament extrusion. Each quarter, take apart the hot and examine each component for wear or damage. If necessary, replace worn or damaged parts. Before you put it all back together, clean each part thoroughly. 

Examine the Frame and Structural Components

Your printer needs a sturdy frame to do its job. If the frame is loose or damaged, the printer might not be able to accurately print your projects or might encounter mechanical hiccups. So, take a peek at the frame. Look for signs of loosening or damage. Tighten loose bolts and screws to ensure that the frame is square and level. 

Annual Maintenance Tasks

Pick a day each year to complete all of the tasks that require annual attention, including:

Replace Worn Components

After a while, the parts on your 3D printer might begin to wear out, especially if you use it frequently. So, each year, inspect all major components, including the belts, rods, and bearings. If they look tired and ready for retirement or damaged, replace them. 

Fully Calibrate the Machine

It’s important to fully calibrate your machine at least once each year. This ensures your printer performs optimally, and while it might take a while, it’s good to do it at least once a year. Follow your printer’s calibration procedures and use calibration prints to fine-tune settings and ensure accuracy.

Perform a Safety Check

Confirm that your printer is still functioning safely and efficiently each year. Thoroughly inspect all components, especially the electrical components, for signs of wear or damage. Make sure that all safety features, such as thermal cutoffs and fuses, are functioning as they should. If your printer has an enclosure, confirm that it’s secure and well-ventilated. 

Start Printing With AGC Education

A well-maintained 3D printer can operate smoothly and efficiently, helping you create all sorts of projects, from school projects to room decor. With regular daily, weekly, monthly, quarterly, and annual maintenance, you can keep your printer running in tip-top shape, ensuring it’s always ready for your next project. 

If you’re ready to start creating 3D projects with a printer or need a few items for your 3D printing projects, we’re here to help. At AGC Education, we offer everything you’ll need to get started, including 3D printers, printer enclosures, and all sorts of supplies. Contact us today to learn more.