Relevant for
Regular maintenance is key to ensuring long-term reliability, high-quality prints, and trouble-free operation of your Prusa Pro HT90. A dedicated Maintenance Kit for HT90 is available, which consists of essential tools, replacement parts, and cleaning supplies.
Whether you're performing routine maintenance or tackling specific replacements, this kit includes everything from precision tools to filtration and lubrication, with links to step-by-step guides for every task.
| High-temperature nozzle exchange tool | How to replace a high-temperature nozzle |
| Filament sensor | How to replace a filament sensor |
| Belt tensioner | How to tension the belts |
| Spare parts set | Includes:
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| 2x HEPA filter | How to replace the HEPA filter |
| IPA pads | Depending on the print sheet type, it can either clean or damage the surface. Consult the dedicated article for the specific print sheet type for cleaning methods info. |
| Brass brush | Used to clean the nozzle from the outside. It can be used for both the high-flow and high-temp print heads. |
| Gloves | Worn to protect hands during maintenance procedures, in particular when handling lubricants. |
| Scraper | Used to remove finished prints that remained adhered to the print sheet. Wait until the sheet cools completely, and gently wiggle under the edge of the print, using the scraper's edge. |
| Lubricant for magballs | How to lubricate the magballs |
| Microfiber cloth | Needed to protect the print sheet during maintenance procedures. |
| Screwdriver with three bits | There are three bits inside the screwdriver:
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| Cleaning needles with one extra noClogger needle (1,6 mm) | Used for unclogging the hotend. The cleaning needles are inserted from below the nozzle, while the noClogger needle is inserted from above the print head. |
| Lubricant for linear rails | How to lubricate linear rails (HT90) |
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| High-temperature nozzle exchange tool | Filament sensor |
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| Belt tensioner | Spare parts set |
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| HEPA filter (2x included in the maintenance kit) | Brass brush |
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| Scraper | Lubricant for magballs |
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| Microfiber cloth | Screwdriver with flat 4 mm, hex 2 mm, hex 2.5 mm bits |
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| Cleaning needles with one extra noClogger needle | Lubricant for linear rails with dosing needle |