Operating & Maintaining the Connex500/350 3-D Printer
7–30
DOC-13000 Rev. E
7. Insert
and
tighten
the
roller
scraper
blade
screws.
Figure 7-40: Tightening the roller scraper screws
8. After
tightening
the
screws,
inspect
the
blade
and
make
sure
that
it
is
straight.
If
necessary,
loosen
the
screws
and
tighten
them
again,
evenly.
9. Return
the
roller
waste
collector
assembly
and
the
right
UV
lamp
to
the
block.
See
steps
6
to
10
from
page 7
‐
27.
Aligning the
Print Heads
You
should
check
the
alignment
of
the
heads—
•
once
a
month
•
after
replacing
one
or
more
heads
•
if
model
quality
is
not
acceptable
even
after
cleaning
the
orifice
plate
on
the
bottom
of
the
block
(see
“Cleaning
the
Heads”
on
page 7
‐
19)
The
head
‐
alignment
procedure
takes
about
20
minutes.
To check the alignment of the print heads:
1. Prepare—
•
a
transparency
sheet—A
‐
4
or
Letter
size
•
any
type
of
sticky
tape,
to
fasten
the
transparency
sheet
to
the
build
tray
2. Start
the
Head
Alignment
wizard,
from
the
Connex
Options
menu
(see
figure 7
‐
26
on
page 23).
3. Click
Next
to
begin,
and
close
the
cover.
4. In
the
wizard
screen,
select
the
check
box
to
confirm
that
the
cover
is
closed,
and
click
Next
.
Important
:
•
Tighten the screws in the order shown in Figure 7-40.
•
Use the new screws supplied in the replacement-kit.
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