Stratasys K6 Series User Manual page 263

Condition Possible Cause
Loss of extrusion Filament stuck in canister
(head will not extrude
material)
Canister drive is too slow
Plugged Tips
Printer not calibrated
Low vacuum caused build sheet
to shift and may have plugged
tip.
Low vacuum The build sheet is not properly
installed.
There is filament debris on the
platen.
A small piece of material may
have been sucked into the
vacuum line.
The vacuum port's debris
screen may be plugged.
The exhaust port on the vacuum
pump may be clogged, or the
vacuum pump may require
replacing.
Low air pressure This scenario is not operator
adjustable.
Support material is Support material is embedded in
difficult to remove from the vertical surfaces of the part.
part
Model material surface The tip to tip calibration is not
finish is poor on set correctly.
downward facing
surfaces
Support material
removes too easily
Remedy
Remove canister from printer and pull out about
8 feet (2 meters) of material. Ensure filament
pulls out freely. (See
the Liquefier Tips" on page 123
Canisters" on page 125.)
Verify that load time from the canister to the head
switch is less than 5 minutes.
Verify that the size of the installed tip matches the
tip size displayed within the Dashboard. See
Table 3-1 on page 41
Verify that tip life has not exceeded maximum tip
Table 3-4 on page 42
odometer. See
Verify tips were installed correctly. See
"Changing Tips within the Top Cover" on
page 161.
Verify that material purges by initiating a purge
using the model and/or support purge buttons.
See "Tip Purge/Unplug" on page 76.
Replace tip with new tip and recalibrate. See
"Using the Tip Change Wizard" on page 128.
Perform an XYZ Tip Offset Calibration. See
Tip Offset Calibration" on page 192.
" "
See Low vacuum
Move the build sheet until it overlaps the platen
equally on all sides.
Remove the build sheet and clean the top
surface of the platen (see
page 230.)
Contact Customer Support or your regional
Stratasys office (see
for contact information).
Clean the debris screen (see
on page 230). Do NOT remove the screen - it is
not a customer replaceable item.
Contact Customer Support or your regional
Stratasys office (see
for contact information).
Contact Customer Support or your regional
Stratasys office (see
for contact information).
Adjust the tip to tip calibration. See
Offset Calibration" on page 192.
Repeat tip to tip calibration. See
Calibration" on page 192.
254
"Unloading Material from
and "Removing
.
.
"XYZ
in this table.
"Clean the Platen" on
"Getting Help" on page 242
"Clean the Platen"
"Getting Help" on page 242
"Getting Help" on page 242
"XYZ Tip
"XYZ Tip Offset