Now this may shock some of you but I bought my Creality CR10S Pro second hand. I was in the market for a fresh printer, something larger than my Ender 3 Pro, and a friend was looking to downsize his considerable collection of 3D Printers. In all fairness to him, the Creality CR10S Pro was brand new & never used. I was lucky to get a good deal!
Collecting the printer, I took it home in the front seat of my car, strapped in almost lovingly. Arriving back, I placed the Creality CR10S Pro on my desk and stopped to look at it. As printers go, it is attractive; the red anodised Aluminium contrasts well with the black aluminium frame. The electronics have all been moved “inboard” abandoning the older CR10 and CR10s designs which utilised an external control box separate from the printer itself.
2 new from $626.00
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Specifications on the CR10S PRO
- Accuracy: +/-100 Micron
- Layer height: 100–400 Microns
- Filament diameter: 1.75 mm
- Compatible materials: PLA, ABS, TPU, composite filaments
- Feeder system: Bowden – Capricorn Tube
- Extruder type: Single nozzle M6 x 0.75mm
- Nozzle size: 0.4 mm – included with the printer
- Extruder temperature, Max.: 260 °C
- heated bed temperature Max.: 110 °C
- Max. print speed: Claimed 180 mm/s (I only tested mine to 60mm/s)
- Closed print chamber: No
- Bed levelling: Automatic – via Capacitive sensor
- Print bed: 24V Heated capable of 110C in 5 minutes
- Display: LCD touchscreen
- Connectivity: Micro SD card, USB
- Built-in camera: No
- Build Area: 300x300x400
Construction of the CR10S Pro
The aluminium frame is excellent. Using a 40x20mm aluminium extrusions for the Z-axis uprights with the hot end carriage running along the standard 20x20mm. I checked the frame, and everything was straight. With a painted black finish, the control box features a clear and easy-to-use touch screen. That replaces the dial control used on previous CR10 models. When switching the printer on you are greeted by the Creality logo. Once loaded, you will see the menu options, but these I will talk about later.
Looking deeper into the changes Creality have made when updating the CR10. I like the dual z-axis screws that they have carried over from the CR10S model. It provides a much more stable x-axis for the hot end and carriage. Note: Creality has used a stepper motor for each z-axis lead screw rather than running both from one and using a belt.
The build surface on my Creality CR10s Pro was an aluminium plate with a build sticker. As I know, now the newer models come with a glass bed featuring the same build sticker. Unfortunately, as is often the way with aluminium beds. So I replaced it with a sheet of 4mm Borosilicate glass that I got cut by a local glazier for around £5 GBP. Also, the build surface has built-in build plate clips. These are great! No more binder clips being caught by printer nozzles on a wipe, just a rock steady bed.
After checking over the machine a little deeper, we can see Creality have upgraded the usual silicone-based Bowden tube to a Capricorn tube. And that the bed springs are the stiffer “yellow” springs often retrofitted to the Ender 3 and other Creality 3D printers. They have even included brief clips for the Bowden tube connectors. That most of us end up printing and fitting the gigantic bed, adjusting wheels that we saw on the Ender 3 Pro.
Another point worth mentioning is that Creality has gone to a decent level of effort to tidy the wiring on this machine. To the extent than only one ribbon cable comes from the side of the machine to the area where the extruder and steppers receive power.
Much neater than the previous Creality offerings such as the Ender 3 Pro where users often print cable chains to get that tidy look. One thing Creality have kept is the micro SD card format. I prefer a full-size SD card as the small ones are fiddly, especially if your printer is in an enclosure.
Looking to the extruder we have a beautiful red anodised finish again matching a standard upgrade to Creality printers. Before the extruder, there is also a filament run-out sensor.
That uses a blue LED light, will help to alert that the filament has run-out and saves the hot end position and temps for when you wish to restart the print. This same save procedure occurs in the event of power loss, hopefully saving your print, back to the extruder itself.
I see more improvements over the older designs again. They have replaced the plastic components with red anodised aluminium, and this version is Bond tech’s double gear mechanism.
By using the double gear extrusion mechanism, it has twice the grip on the filament, ensuring reliable and smooth feed to the hot end. But, I have yet to test how well this will work with softer filaments such as TPU.
CR10S Pro 3D Printer Hotend
At the hot end, we find Creality have again moved away from what’s been a previous stalwart for them. No longer do we find the MK8 hot end so familiar to Ender 3 and CR10 owners, but it uses a new proprietary hot end. Similar to previous versions, Creality is using a single fan for the parts cooler and another to cool the hot end.
The parts cooling fan duct are 3D printed, and the STL is available on Thingiverse. I have been thankful for this as a part. Without the STL I would have had to order a replacement or print a non-standard duct. The Hot end heat sink is now round, secured using 2x M3 screws and using a familiar heater block thermistor and heated cartridge.
We’ve seen these on the other models whereas the nozzles and heat break differ from the mk8 hot end. The nozzles now run an M6x0.75mm thread, and only one included with the 3D printer, a standard 0.4mm. I have yet to try a different diameter nozzle in my CR10s Pro as I find the 0.4mm has suited my printing needs admirably to date.
Crealitys decision to fit a capacitive level sensor to the Creality CR10s Pro is questionable in my mind. I feel a contact probe such as the BL Touch would have been a better choice, as this is not affected by temperature fluctuations. As a capacitive sensor can be, and won’t have sensitivity issues, but they have gone so far.
As to provide an acrylic shim and feeler gauge to allow you to set the height of the probe. Correctly relative to the height of the nozzle at 0.2mm from the print surface. However, the instructions included for how to set this up are awful, I can find here a much more precise explanation of this from Tiny Machines. Please note: The level sensor has replaced the physical z stop switch. If your sensor fails or is incorrectly set, it’s straightforward for your nozzle to crash into the print bed.
The hidden upgrades warrant a mention. The upgraded V2.4.1 main board along with being silent offers increased stability and reliability over previous versions. It has TMC drivers who assist in the noise reduction and eliminate salmon skin effects that have been seen by people fitting TL Smoothers. An upgraded power supply sees Creality returning to using Meanwell as they did in the Ender 3 Pro, giving a more stable voltage to the printer and the comfort of a named brand.
The Creality CR10s Pro comes with a boot loader pre-installed so flashing the firmware is very simple. Therefore, it was one of the first things I did with my machine because from the factory they do not enable the Thermal runaway protection. I find this odd as the features are already there in Marlin. One thing to note, if you will flash your main board you will have to flash your LCD. This is simple enough and can be done using a micro SD and the reader fitted to the LCD PCB board. I used the Tiny Machines Firmware and had no issues at all.
CR10S Pro 3D Printer Software interface
The LCD touchscreen is large and easy to navigate. The icons make sense, and the writing is clear. While you don’t have direct access to read some settings as you would have an Ender 3 Pro, you can get. A pleasurable thing to know is that the Creality CR10s Pro will only read STL files in the root directory of the SD card and not in folders.
I’ve used my Creality CR10s Pro 3D printer for several months now and some most frustrating issues I have faced during that time have been simple fixes. First, I could not get the bed level working. Here, I reset the sensor. Then manually levelled the bed, I levelled the gantry and made sure the frame was square, yet nothing helped.
Finally deciding to strip the gantry down and start again from scratch, I removed components, and the source of all my troubles became clear. I had a broken bolt in the z-axis stepper motor coupling! As a result, this caused the z-axis to slip. With this repaired and the bed levelled again, I was away. Immediately the quality of the prints was showing massive improvements.
After getting a successful print, I tuned my slicer and printer settings. I performed a PID tune on my hot end and calibrated my E-steps; so, I then printed the compulsory Benchy. After this, I made many items. Some small, others more significant in a variety of filaments including Geeetechs Marble Filament. Consistent bed height and a reasonable expectation of the speed the printer should work at (in my case 60mm/s) has given me some gorgeous quality prints.
I have printed some upgrades from Thingiverse. I don’t see the need to alter the Creality CR10S Pro much as it’s a competent 3D printer. There are minor issues that could be quickly addressed.
The two filament guides are to smooth the path of the filament and stop it from rubbing on the top of the runout sensors casing. As this was causing shavings, therefore over time along with causing blockages, would damage the aluminium castings.
The filament cleaner is in my mind purely an excellent preventative measure to ensure your filament is as clean as it can be before entering the extruder.
I think the most significant alteration I have made is to carry out Luke Hatfield’s (Onebadmarine) Creality hot end fix. I suffered from several blockages in the hot end where the Capricorn tube wasn’t seating tight against the back of the nozzle. Luke’s repair involves a printed washer and a piece of Bowden tubing cut to a precise length.
With the cut tube inserted into the hot end, I then place the washer on top with the Bowden tube coupling. It screws into the top of the hot end against the washer. Acting the same as an all-metal hot end. To ensures there is no space for the filament to move into between the filament path preventing annoying blockages.
Final Thoughts on the Creality CR10S Pro?
I like this 3D printer. I like it a lot! It looks cool, and it is quiet; but, the loudest part of the printer is the cooling fans. I’m sure anyone who must have it quieter could fit some lower Db ones. The quality of the screws on the hot end carriage is poor. Using the supplied Allen keys, it wouldn’t be hard to round them off. Unfortunately, my bed is warped; but the newer models now ship with a glass bed.
Thermal runaway protection was not active on my Creality CR10S Pro. in my mind. This is a massive failure that needs to be amended in the firmware before the printers ship. However, despite all of this, I still like this printer! So much so I am considering buying its big brother the CR10S5 3D printer!