- 1.20 -
LAPEL BAR
The lapel bar is used to stabilize the medium tension of the run-out side.
If the media tension of the roll-out side becomes unstable, printing is adversely affected (vertical
black or white lines occurs).
If the tension is too high, the media becomes susceptible to vertical wrinkles which may cause black
or white lines. If the tension is too low, wrinkles occurring at the rear portion of the pinch roller and
passing it make the gap between the media and head uneven, adversely affecting printing.
Therefore, it is necessary to change the mount position of the lapel bar and perform printing at an
appropriate lapel position. Even with the same cloth type, media characteristics change depending
on the pre-treatment and the presence or absence of the gumming processing at both ends of the
cloth. Be sure to perform test printing to measure an appropriate lapel position.
•
Be sure to perform test printing, check the printing result, then determine
whether the lapel bar can be used or not.
•
The characteristics of material of medium may be changed by pre-treat-
ment. If the pre-treatment is changed, be sure to perform test printing.
•
The centering may give no effect if the winding angle of the lapel bar is
increased. Make sure to do the feeding test using JOG key before start
printing.
Limited media
With the following media, correction from the printer is difficult.
When using any of the following media, perform test printing to determine whether it can be used or
not.
•
When using a medium other then the following, be sure to perform test
printing to confirm the plot result and then determine whether it can be
used or not.
•
Cloths with high elasticity (Stretch materials, vertically extendable knit,etc.)
•
Materials which become largely extendable when getting wet by printing.
•
Materials with large width variations.
•
Materials which present partial wrinkles of slacks when being spread on a flat surface or
materials which are totally curved.
•
Materials with large take-up shift at the ends of medium when rolled.
•
Roll media with a paper tube whose diameter does not fit the diameter of the roll holder.
•
Roll media with a paper tube whose strength is insufficient and which bends when attached to
a run-out device.
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