No extruding when printing

Hello all, have just completed my Mendel , and all tests are positive.
When I load a file to print, all the layer calculations are done but the filament used is 0mm
Press print and the axis move but no plastic is extruded
After a week or so of building to get this far, I would really appreciate help with this problem
Something I am missing ?
Many thanks in advance
Myles

What is the temperature of the hotend?
Can you fill the motor pulling the filament in?

If the filament isn't moving, it likely it is jammed. Separate the hotend from the extruder and check for any filament stuck inside.

Cheers,
Franklin Dattein

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Cheers,
Franklin Dattein

Hi Franklin,
Many thanks for your reply
Hot end 205
Extruder works perfectly by hand and also G1 E5 F200 command, no jams
When I load a .stl or gcode file the report states that 0mm of filament will be used.
Thanks again
Myles

Post a few lines of GCode, but it sounds like there are no EXXX entries in the gcode.
Could be you have the wrong GCode flavor selected in the Slicer, or if you are using Skeinforge you don't have the dimension plugin enabled.

Polygonhell, I think you have hit the nail on the head.
I decided to start from scratch with installing pronterface skein forge etc
It seems that I missed something in the setting up.
Now all reloaded I have tried a file and the E is now 4512.716 mm of filament will be used
Breakthrough!
Will have to wait until the morning to start printing
Many thanks for your input
All the best
Myles