Stratasys uPrint, Service Manual, Page: 297 / 383

6-30
J. Material/Unload Error
Material Error
Filament error
1. Remove the carrier and verify material is coming out of the material guide.
2. Verify material pulls freely from the carrier.
3. Verify the material tubes are free of material
4. Reload material.
Material Error
Filament blocked
1. Remove carrier and verify material pulls freely from carrier.
2. Verify the material tubes are free of material.
3. Reload material.
Material Error
Carrier invalid
1. Remove carrier and verify it is not empty.
2. Replace material spool.
Material Error
Filament broken
1. Remove the carrier and verify material is coming out of the material guide.
2. Verify material pulls freely from the carrier.
3. Verify the material tubes are free of material.
Load Error
Filament blocked
1. Remove the carrier and verify material is coming out of the material guide.
2. Verify material pulls freely from the carrier.
3. Verify the material tubes are free of material.
Load Error
Purge failed 1. Remove the carrier and verify material is coming out of the material guide.
2. Verify material pulls freely from the carrier.
3. Verify the material tubes are free of material
4. Check for and clear any excess material build up around the tips.
5. Material may be jammed in head. See “Material Jam” on page 6-6.
Unload Error
Unload failed
1. Remove the carrier and verify the material tubes are free of material.
Filament does not reach fila-
ment present switch.
1. Filament is being cut off too long at carrier. Less than 1/4” should be exposed
2. Filament slipped into guide tube. Make sure filament extends to the end of the
guide tube.
3. High pull force spool, refer to “filament slips at head” under LOE section.
4. Possible bad drive motor, replace material bay.
Carrier failed to load after
three tries.
1. Carrier is defective (e.g. material jammed in carrier, worn drive wheel). Replace
2. Carrier is empty. Replace carrier.
3. Filament left in head or needs to be cleaned.
4. Load solenoid or motor not working. Check connections to motor/solenoid.
5. Filament is being cut off too long at carrier. Less than 1/4” should be exposed.
6. Filament guide tubes are kinked or bad. Replace filament tubes.
7. Head filament motor not running. Verify that motor runs though head
maintenance.
8. Filament guides are out of alignment with motor blocks. See “Liquefier
Alignment” on page 5-54.
“Load Failed” is displayed
shortly after hitting “Load”
1. Check that the Z stage is not hitting the lower Z limit switch. Manually raise the Z
stage several inches above the lower Z limit switch.
2. Reload material.
Filament makes it to drive
wheel pinch point but “Mate-
rial Error” is displayed.
1. Retry loading material
2. Perform the drive wheel alignment procedure
3. Idler wheel stuck on axle. Realign idler wheel. If wheel remains stuck replace
toggle.
4. Check that pivot block spring is mounted on the pivot blocks, not the idler
wheel shafts.
5. Check idler wheel stop adjustment.
6. Replace tips.