24 Chapter 4 – Maintenance Adjustments
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Never use a sharp, hard, or abrasive object on the printhead.
If print quality declines (symptoms can include unreadable bar codes or streaks through text and graphics),
the typical cause is debris buildup on the printhead which, left unattended, can lead to premature dot failure.
Depending upon the supplies and printing parameters used, different cleaning methods are recommended.
Streaks can indicate a dirty or faulty printhead.
Proper cleaning is critical. To maintain peak performance of the
printer, Datamax-O’Neil offers a complete line of cleaning
products including pens, cards, films and swabs. Visit our
website at http://www.datamaxcorp.com/clean/ to learn more.
Cotton Swab Procedure (for users of direct thermal media, or thermal transfer media with wax
ribbon):
1. Turn OFF the Power Switch and unplug the printer. Raise the cover, then raise the Printhead Assembly
and wait briefly for the printhead to cool.
2. Remove media and ribbon. Using a Cotton Swab moistened (not soaked) with isopropyl alcohol,
thoroughly clean the printhead.
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