Stratasys uPrint, Service Manual, Page: 321 / 383

6-54
Part shifting
Characteristics: Model shifts in X or Y axis, this may cause unexpected contact errors with X
or Y sensors.
72.
Corrective actions
1.
The modeling base is defective or is not latched tightly. Replace modeling base and latch
properly.
2.
Check XY table:
A.
Verify X and Y guide rods are securely fastened.
B.
Verify the swivel head moves freely.
C.
Verify proper belt tensions for X and Y axis. Tension the belts as needed.
D.
With X and Y motors unplugged, make sure the motors will spin freely.
E.
Replace the XY motors or XY table as needed.
3.
Check Z stage:
A.
Clean the Z stage lead screw.
B.
Bad Z stage motor and belt. Replace Z motor and belt as needed.
C.
Verify Z stage is level. Re-level as needed.
D.
Verify the Z stage guide rods are not loose. Tighten as needed.
E.
Z stage may have too much play, replace the Z stage as needed.