Geeetech

Have you closed ANY other program that can connect to the printer ?
Cura / Slic3r etc will stop you from connecting if they're open.
Gerry

Hi,
Without knowing which version of the firmware you're using...
When I installed my firmware, I started out with a BL Touch.
I used the firmware Marlin-1.1.9_bugfixes_02102019 given by wwysocki...
It ran 1st time for me.
https://www.geeetech.com/forum/viewtopic.php?f=66&t=62412#p90623
From memory ...

Hi Bugsia,
Without knowing the details - as you've not given us the material you're using, temps or print speed...
I'll have a guess at where I'd start looking.
1) I'd look at the nozzle/throat tube interface...
Is there a gap between the throat tube and nozzle inside the heater block ? - They ...

Hi Jose,

The menu system allows you to set the 3D Touch Z offset.

Scroll down to 'Control' and select.
Scroll to 'Motion' and select.
The first menu option is the 3D Touch Z offset (It is on my machine ! )
Select and turn the wheel to set the required value.
IMPORTANT...
The go to 'Control' again ...

Hi Jessy,

You're going to have to mess around with the ender 3 to get it working as well !
Printers like this are NOT 'Plug and play' - It's not as simple as printing a word document with an ink-jet printer !
You will have to learn how to tweak all the settings in your slicer program to get good ...

Hi Juan / Gini

So you've checked the bed and it is level...
When you 'Home' the printer, it goes to the correct height - ie you check the nozzle/bed position with a piece of paper under the nozzle.

The problem arises when you start a print ???

One area could be the gcode ?

The first layer of the ...

Hi Jlamador,

-7.39 sounds like a high/low number !

I've used a BL Touch since I first built my ProB - It works flawlessly.

When I installed the BL Touch, I had to make sure that when extended, the pin was lower than the nozzle tip - but when in the up position, the pin was above the nozzle... I ...

Hi Suvl,

Well that looks grim !
I've never had to put any torque at all into the throat tube when changing.
I have found that once I've taken it all apart, I can screw the tube up into the extruder just with fingers...
I then do the same with the heater block.
I check that the nozzle can touch the ...

Go on Amazon/Ebay depending on preference...
Type 'Throat tube'
Get something like this...
40mm will work on your proB
https://www.amazon.co.uk/IZOKEE-Extruder-Throat-Nozzle-Print-Makerbot/dp/B06XZ6W61J/ref=sxts_sxwds-bia-wc-p13n2_0?cv_ct_cx=throat+tube&dchild=1&keywords=throat+tube&pd_rd_i ...

Hi Marc,

I always print from the SD card as I would hate for a glitch in the computer ruining an 8 hour print just before the end...
I always print with no usb connection between the computer and printer.
Case in point being that I've just typed a very long answer to your questions here - and then ...