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This print engine has been fully tested before delivery. There should be no ribbon wrinkle presented on the
media for general-purpose printing application. Ribbon wrinkle is related to the media thickness, print head
pressure balance, ribbon film characteristics, print darkness setting…etc. In case the ribbon wrinkle
happens, please follow the instructions below to adjust the print engine parts.
The print head pressure adjustment knob has 5 levels of settings. Clockwise direction
adjustment is to increase the print head pressure. Counter Clockwise adjustment can
decrease the print head pressure.
1. Wrinkle happens from label lower left to
upper right direction (“ / ”)
2. Wrinkle happens from label lower right to
upper left direction (“ \ ”)
If the wrinkle on the label starts from the
lower left side to upper right side, please do
following adjustment.
1. Decrease the right side print head
pressure adjustment knob setting 1 level
per each adjustment then print the label
again to check if wrinkle is gone.
2. If the right side print head adjustment knob
setting has been set to index 1 (the lowest
pressure index), please increase the left
side print head pressure.
If the wrinkle on the label starts from the
lower right side to upper left side, please do
following adjustment.
1. Decrease the left side print head pressure
adjustment knob setting 1 level per each
adjustment then print the label again to
check if wrinkle is gone.
2. If the left side print head adjustment knob
level has been set to index 1 (the lowest
index), please increase the right side print
head pressure.
5. Ribbon Tension Adjustment Knob
Print head
pressure
adjustment
knobs
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