11 FAQ ‐ Printer maintenance and print issues
11.1 Print surface preparation
Print surface preparation is described in
6.3.2 PEI print surface preparation
chapter.
11.2 Clogged / jammed extruder
Material clogged in the extruder can cause problems with the
printing
or with the
loading
of a
new
filament
.
● Heat the nozzle, remove the filament from the extruder and cut the rod cca 10 cm
above the damaged part.
● The next step is to clean the extruder. There is a service hole on the left side of the
extruder where you can access the hobbed pulley (pict. 28).
● Clean the hobbed pulley, then heat the
nozzle
before re
loading the
filament
.
● If a problem persists you will have to clean the
nozzle
.
Pict. 28
Cleaning
the extruder you can see the hobbed pulley through the service hole
Summary of Contents for Original Prusa i3 MK2
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