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Printer Maintenance
Vertical streaks in the printout usually indicate a dirty or faulty print
head. (Refer to the following examples.) Clean the print head. If the
problem persists, replace the print head.
For unstable ribbon roll rotation, check the label path and make
sure the head latch is securely closed.
Poor printout quality:
The ribbon may not be qualified.
The media may not be qualified.
Adjust the Darkness (heat temperature).
Slow down the print speed.
Refer to the following and clean the related spare parts.
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