The goal of this procedure is to explain how to recalibrate zim filament sensors (also called filament endstops)
These sensors allow zim to know if there is filament in the teflon tube which guides the filament from the cartridge to the printing head
If these sensors are not calibrated correctly, zim will not function properly as its software relies on the software to :
- know if there is or isn't filament in the teflon tubes
- stop the rewinding of the filament to avoid pulling filament into the cartridge.
Due to the design of the printer, the left cartridge holder needs to be taken out of its lodging for the sensor to be calibrated.
Steps 1 and 2 are only needed for the left side.
FOR THE LEFT SIDE ONLY
1. Unscrew the cartridge holder
2. Cartridge holder need to be placed on the side. We need to keep the connection active so be careful
FOR BOTH SIDES
On your zim, go to the http://zim/test_endstop page (see Howto test Zim endstops procedure in the FAQ)
3. Slightly unscrew the endstop so that it can move a bit
4. Adjust vertically the endstop so that when filament is filled on its path (as shown below), the /test_endstop page displays "Filament" for the corresponding endstop.
