Prusa i3 MK2S KIT - U Nloading T He F Ilament; F Irst L Ayer C Alibration ( Kit O Nly)

6.3.8.1 Unloading the filament
Similar procedure to the loading operation. Preheat the nozzle for material you used last
time (pre assembled printers are shipped with PLA). Wait for temperatures to stabilize and
use Unload filament option from the menu.
6.3.9 First layer calibration (kit only)
NOTE:   The   calibration   process   has   been   made   easier   and   is   now   called   V2   Calibration.   If
the   V2Calibration.gcode   is   not   present   on   your   SD   card   you   can   easily   obtain   it   from   our
support   or   on   our   http://www.prusa3d.com/drivers/   page.
Check if your print surface is clean! You can find instructions how to clean it in
the chapter 6.3.2 PEI print surface preparation. Don't forget to complete 6.3.5
Calibrate XYZ chapter or you can permanently damage the print surface!
Now we will finally calibrate the distance between tip of the nozzle and the probe. Preheat
the nozzle for PLA. On the LCD menu, go to Print from SD and run V2calibration.gcode
file from the bundled SD card.
The printer will probe the bed and start printing zig zag pattern on the print surface. The
nozzle will be at the height based on the P.I.N.D.A probe setting, it must not by any means
touch the print surface.
Pict.   7   -   How   to   tune   the   nozzle   height   live   during   the   test   print.   Note:   -0.640   mm   is   only   for
illustration.   Your   setting   will   be   different!
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