I think I found the solution. I was trying to figure out why the test prints work great, and the other prints didn’t. I noticed on videos how other Creator Pros might have a bit of a different extruder movement before it started printing. I checked the script for it in Simplify, and the only line was to home all axes! I got a couple different lines from the internet, and was finally able to print something out! I tried to keep it the same temperatures as the test prints do, but I had to slow down the extruder so the first layer wouldn’t bunch up. But this is all trial and error now.

I guess the only reason I am seeing this now is because before the Replicator G corrupted my eeprom, and after the reset I didn’t connect it back to my pc, I just printed straight from the SD!

That means you don’t have the default profile for the FlashForge Creator Pro. That page I linked had a much more interesting start gcode than merely home all axes:

  • ; **** Replicator 1 dual start.gcode****
  • M103 ; extruder off
  • M73 P0 ; enable build progress
  • M70 P2 (Simplify3D)
  • G162 X Y F3000 ; home XY maximum
  • G161 Z F1200 ; home Z minimum
  • G92 Z-5 ; set Z to -5
  • G1 Z0.0 ; move Z to 0
  • G161 Z F100 ; home Z slowly
  • M132 X Y Z A B ; load current position from EPROM
  • M135 T1 ; load left extruder offsets
  • G1 X70 Y-70 Z30 F9000 ; move to wait position off table
  • G130 X20 Y20 Z20 A20 B20 ; lower stepper Vrefs while heating
  • M70 P1 (priming nozzle…)
  • M6 T0 ; wait for right extruder to warm up
  • G130 X127 Y127 Z40 A127 B127 ; default stepper Vrefs
  • G1 Z0.4 ; position nozzle
  • M108 R5.0 ; set extruder speed
  • M101 ; start extruder
  • G4 P3500 ; purge nozzle
  • G1 X65 Y-65 Z0.15 F1200 ; slow wipe
  • M103 ; stop extruder
  • G1 X60 Y-60 Z0.2 F1200 ; lift
  • M73 P1 ;@body (notify GPX body has started)
  • ; **** end of start.gcode ****
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Oh yeah she runs like a charm now! Thank You!