were you able to solve this? if not are you able to (with your hotend off to the side so it does not hit the table) use gcode to move to zero bed height? also did you do a direct copy and paste of entry and exit gcode? I had an issue with that the first time around, due to the copy paste method actually entering it into one line, so the whole thing ends up being commented out instead of going line by line. I had to enter each line by hand to get around that issue
If you could, post your Gcode, I will post mine from my settings below. Mine is for a direct drive setup.
Start
G90 ; Set to Absolute Positioning
M82 ; Set extruder to absolute mode
G21 ; Metric values
M107 ; Start with the fan off
G92 X0 Y0 Z0 E0 ; Set all axis to 0
G28 Y F1000 ; Home Y axis
G28 X F1000 ; Home X axis
G0 X0 F1000 ; Move X to the edge
G0 Y10 F2000 ; Move Y to start position
G0 Y0 F200; Move Y to start position
G1 E10 ; Extruder 10mm material (purge nozzle)
G1 X270 E120 F200 ; Move to the other edge of the belt and keep extruding
G91
G0 Z0.18
G90
G92 Z0 ; Zero Belt
G92 E0 ; Zero the extruded length
G1 E-4 F3900 ; Retract 4mm at 65mm/s
G1 E0 ; Move extruder back to 0
G92 Y0.25 ; Set Y to start position
M117 BELT Printer Printing...
;˅˅˅˅˅˅˅˅˅˅˅˅˅˅˅˅ - copy from here / paste codes just under here - ˅˅˅˅˅˅˅˅˅˅˅˅˅˅˅˅
M107 ;start with the fan off
End
G92 E0 ; Set Extruder to zero
G1 E-6 ; Retract 6mm
G92 Z0 ; Set Belt to zero
G0 Z50 F100 ; Move Belt 50mm before starting up the next product
G92 Z0 ; Set Belt to zero again
G28 Y ; Home Y G28 X ; Home X
;˄˄˄˄˄˄˄˄˄˄˄˄˄˄˄˄ - copy up to here / paste codes just above here - ˄˄˄˄˄˄˄˄˄˄˄˄˄˄˄˄
M104 S0 ; Extruder heater off
M140 S0 ; Heated bed heater off
G92 Z0
M18 ; Disable all stepper motors