User's Manual Part 2

CHAPTER 10. PRINTER MAINTENANCE 235
Each cli ck will lower (or raise) the z home of the print head
(and hence the extruder)by0.05 millimeters (about 1/2the
thickness of a sheet of paper). Adjust the z height until the
tip of the extruder is just touching the build plate. When
you are at the correct height, select the “Just Right”but-
ton.
2. The build plate,whenslidingforwardorback,shouldre-
main at a consistent height relative to the extruder tip.
Check th e z height with the extruder at the middle of the
build plate; then slide the build plate forward so that the
extruder is at the edge of the build plate and confirm that
the z height hasn’t changed. If the z height is changing
from middle to edg e of build plate, th en :