FLASHFORGE 3D PRINTER Guider IIS Series User Manual page 80

dropped off or has problem: Replace with new X-Axis sensor.
9.5 Print result is ellipse when we set to print perfect roundness, and print
result is rhombus when we set to print rectangle.
Step 1. X-Axis is not vertical to Y-Axis: Check the verticality between X-Axis
and Y-Axis，adjust the X-Axis vertical to the Y-Axis.
9.6 Filament can not come out from extruder when printing the first layer
and extruder is rubbing the platform.
Step 1. Distance between extruder and platform is too small: Re-do the build
plate leveling according to Chapter 5.
9.7 Extruder is clogged, filament is jammed in the metal throat tube or
teflon tube.
Step 1. Clear and unclog the extruder.
Referring operating video: FLASHFORGE Guider IIS series Unclogging
Extruder
https://www.youtube.com/watch?v=ePZgmtLxLZU&t=22s
9.8(1) Extruder motor rotates normally but filament comes out from
extruder not continuously(off and on).
(2)Extruder motor rotates normally but filament does not come out from
extruder, and new filament can not be loaded into extruder or squeezed
out.
1.Other brands filament is used in printer,inferior filament has impurities or
bubbles inside: Please use Flashforge filament and make sure filament be
stored at clean and dry conditions.
2. Filament diameter is too large,causing filament jammed inside teflon tube:
Make sure filament diameter is within 1.75 ± 0.1mm. Replace with new
filament if not fit.
3. Part of the filament is cracked inside the throat tube or teflon tube when
plugging out the filament after print finished or change filament:
Disassemble the extruder,clear and unclog the whole parts including teflon
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