92 H-Class
G. Using a Cotton Swab moistened (not soaked) with isopropyl alcohol, gently clean the
printhead then allow it to dry.
H. If removed, reinstall ribbon. Lower and lock the Printhead Assembly. Plug in the printer
and turn ON the power switch. Print a Validation Label (see Section 4.3.4) then compare
the contrast levels between the current label and a previously printed label; if
necessary, adjust the DARKNESS setting (see Section 4.2.2) until similar black levels are
produced.
5.6 Maintenance
This section details the recommended maintenance supplies, schedules, and methods.
Supplies
The following items will help safely and effectively clean the printer:
• Isopropyl alcohol
• Cotton swabs
• Clean, lint-free cloth
• Lens tissue
• Soft-bristle brush
• Soapy water/mild detergent
• Compressed air
• Printhead Cleaning Cards or Printhead Cleaning Film
• Vacuum Cleaner
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