MAINTENANCE & FAULT FINDING
Problem Action
Air pressure settings
s connected on
ody.
regulator is
: Typically
r always a little higher on the 5
ired depends
e distance
home
, or print
ed pressure will
e setting of
the
d. Too
oor quality
ssure may
result in increased physical wear on the
bstrate is
has dug
mended that the
s set
then be
ty print is
guide this should
be between 2.5 - 4 bars. The operation
of the solenoid may be tested by
toggling the output on the “I/O test”
in “Diagnostic” on the screen.
Make sure that the air i
the back side of the printer b
Check that the air pressure
set to the required pressure
2-4 ba
inch printers.
The regulator setting requ
upon the print head gap; th
between the print head, in it’s
position, and the print platen
roller. Exceeding the stat
overstress the print head. Th
the air pressure is critical to
performance of the print hea
little pressure will result in p
or no print. Too much pre
print head and platen. The su
marked where the print head
in.
To get the optimum air pressure for the
application, it is recom
print head to substrate gap i
between 0.2 and 1.0 mm.
The air pressure should
increased until a good quali
apparent. As a rough
27864 Issue 1January 2008 (237)
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