Common Problems

Here are a range of articles and answers to help solve problems with your Ender IDEX. If you can’t find the answer please contact us and we’d be happy to help.


The main cause of extruder skipping (a clicking noise from where the filament is fed into the bowden tube) is an unclear path for the filamnet.

Typically this cane be caused by a blocked hotend or a hotend that is too close to the material it is printing on (which then can also cause a clog too).

Whilst this is not exclusive to IDEX printers, having 2 hotends at slightly different heights can also cause the issue.

If this issue is occurring when either hotend starts a print and is printing directly onto the bed you with have a clog or the hotend is too close to the bed. Try re-watching our installation video for best practice on bed levelling. If this still fails you may have a warped bed that will be impossible to level manually.

If the skipping occurs during a 2 colour print you should fine tune the height difference between hotend 1 and hotend 2. This is very simple to do, just insert an allen key into the top of the second hotend and very slowly twist it clockwise to lift it up. Remember, you may be fixing a height difference of around 0.1mm so even the tiniest turn of the screw may solve your problem.

If you find the second extruder is printing off the bed there can be a number of causes.

If you are printing in Mirror mode your original print model needs to be moved further into the centre of the bed. This is because the 2 print head mirror each other from their home position, and the second hotend is much further from the bed than the first one.

If you are running a Duplicate mode print you will again need to move your original model over to compensate. Remember you are setting the offset in the X direction but the second hotend will also print around 1.5cm further for than the first one, so be sure to factor this in.

If you are running a single hotend print or a 2 colour print you will need to adjust your XY offset, you can see how this is done in our setup video and also documented here.


Firmware updates are really simple with the Ender IDEX. We pre-configure and compile the most common builds you might need. You can find them on our Software page.

Just download your required “firmware.bin” file, load it onto a micro SD card, plug it into the motherboard and power on the printer.

It may take 10-20 seconds longer to boot up but should load the firmware and be updated.

You can verify a “firmware.bin” file has been opened and loaded by re-looking at the SD card. If it was loaded successfully the “firmware.bin” file should be gone and a “firmware.cur” file is now present.

Octoprint is really easy to hook up to the Ender IDEX and it’s SKR Pro board. Just plug a USB cable into the USB type B port on the front of the box (the bigger one on the left).

Plug the other end into your Raspberry Pi and everything should connect.


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