Operating & Maintaining the Connex500/350 3-D Printer
7–28
DOC-13000 Rev. E
7. Return
the
roller
waste
collector
to
the
block
and
screw
on
the
covering
(see
figure 7
‐
32
on
page 7
‐
27).
8. Loosen
the
screws
securing
the
suction
tube.
Figure 7-35: Suction tube correctly positioned
9. Lower
it
so
that
the
hole
in
the
panel
behind
the
suction
tube
is
visible,
and
tighten
the
screws
to
secure
the
suction
tube.
10. Attach
the
right
‐
UV
‐
lamp
assembly
to
the
block
and
reconnect
the
UV
power
and
fan
cables.
Replacing the
Roller Scraper
(Knife)
You
should
replace
the
roller
scraper
blade:
•
after
1,000
hours
of
printing.
•
if
it
does
not
effectively
keep
the
roller
clean.
To replace the roller scraper:
1. Prepare—
•
a
new
roller
scraper
(knife)
(Kit
‐
01026
‐
S)
•
a
Phillips
1x75
mm
screwdriver
•
M2.5
and
M2
Allen
keys
2. Remove
the
right
UV
lamp
and
the
roller
waste
collector
covering
(see
steps
3
to
6
on
page 7
‐
26.)
3. Loosen
the
two
screws
securing
the
roller
waste
collector
and
pull
it
out.
Figure 7-36: Removing the roller waste collector
You should periodically test the effectiveness of the roller scraper when you
clean the roller waste collector. See “Cleaning the Roller Waste Collector
and Inspecting the Roller Scraper (Knife)” on page 25.
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