How to Install Klipper on Creality Ender 3 S1: Config and Setup

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Originally published at: How To Install Klipper On Creality Ender 3 S1: Config And Setup | 3D Print Beginner

I love my Creality Ender 3 S1. It prints well out of the box, and the new Sprite extruder is great. But it can be further improved using Klipper Firmware. In this guide, I will show you how to install Klipper on the Ender 3 S1. What is Klipper? Klipper is…

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thank you for this. I will definitely be on her asking questions as I work through this process on my S1

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the klipper.bin is not flashing to the printer. any help would be greatly appreciated

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Do you have an F4 board?

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Followed the guide and got some great prints even without further calibration! Very interested to see how far it can be pushed with a high flow nozzle!

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I got the variant with the STM32F401, It didn’t flash at first, but I got it to flash by creating a folder named “STM32F4_UPDATE” and putting the bin file in that, but after flashing, klippy wouldn’t connect to the mcu.

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I got it working now!

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Thanks for sharing your experience.
I finished my Ender 3 S1 Pro review, so I can start tinkering with Klipper on the xxx401 board :smiley:
I will make sure to update the installation guide.

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Thanks for creating this. I just finished the installation and was running thru the general configuration and ran into an odd issue. The BL Touch is failing to deploy the probe during Bed_Mesh_Calibrate but doesn’t fail when homing. Any ideas what would cause this issue? I ran the inital tests as well and they are failing as well. I can’t figure out why it would Home correctly but fail on everything else.

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I’m nearly up and running, but I keep getting the same error. “Recv: // MCU ‘mcu’ shutdown: Not a valid ADC pin” I copied and used your config file. I do have the F4 board, but have found the proper help to get that part figured out. Any help would be appreciated!

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So, after nearly going crazy trying to figure out what I was doing wrong, I have found the issue. I commented out the “[temperature_sensor Board_MCU]” section from the config file, issued a restart command, and now can heat tool and bed and see the appropriate readings. Klipper is returning a “Klipper state ready” now without errors.

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Did you follow @SiwatS post? I did not update the Klipper guide for F4 boards.

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Yep, I had to to that too, I forgot to put that in the post, as I assume people will be using a generic configuration file, I’ll fix that now.

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I did, and it helped with a few issues I had. I’ve never used Klipper before, so troubleshooting was tough, especially with a printer as new as the Ender 3 S1 (even more so with the F4 chip).
I’m new to Octoprint, Klipper, Ideamaker, and even stuff like gcode start and Z-offset, so I have a lot to learn and dial in. I figured if I’m going to start using Octoprint, Klipper, or a new slicer I might as well get to learning it now with my new printer.

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I started with your provided config file and noticed the “position_endstop” for x and y are both set to 0. I’ve seen it set to a negative value in other config examples, which makes sense to me as I would thing the lower left corner of the bed would be 0:0, not the endstops. Is this intentional, or can you set it either way with a pro/con to each?

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You can adjust the config to suit your needs.
I did that in order to have a bigger printing volume, if I remember correctly.

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thank you for the tutorial!

just signed up to say thanks and give you a heads up on the printbed coordinate x/y issue I was having. setting the min max etc in print config fixed it but if anything originally tried wiping in the sub x<20 values my first layer was going to be screwed for sure. but I see that you have been informed. in the config file: only other major value shift was the extrusion rot. dist. value in stock is 26.359 while yours is 7.619 just curious about the value difference reasoning?

also, I had severe corner under extrusion (or any 90deg turn) as a result of internal nozzle pressure it wasn’t until I found some slides about pressure advancement in marlin 1.5 that I could identify it as my k-test results were inverted (decel not accel). Shifting pressure advance to .065-.08 instead of .12 made them all smooth out and fix my corners. might be because i have an all (bi)metal hotend with my s1 so no inner lining in my nozzle end… idk still new to this.

But seriously wasnt thinking and did a slice in cura with my old settings and it was sooo slow to print i like 100+mm/s. thank you again.

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Hi,

Awesome tutorial. I managed to install klipper and level the bed.

I did encounter 1 issue. At the beginning of each print the nozzle cleaning occurs however since I got klipper this happens outside of the print bed. Where can I adjust this?

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In start g-code?
Depends what profile are you using, or wether you are using a custom macro.

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I found the issue. With the klipper it seem that X position 0 moved thus I adopted in CURA printer profile to draw the line/clean the nozzle a bit further on the X axis.