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Maintenance
Cleaning
5/22/2012 GC420t™ User Guide P1052686-001
Cleaning the Printhead
Always use a new cleaning pen on the printhead (an old pen carries contaminants from its
previous uses that may damage the printhead).
When you load new media, you can also clean the printhead.
1. Rub the cleaning pen across the dark area of the printhead. Clean from the middle to the
outside. This will move adhesive transferred from the edges of media to the printhead
outside of media path.
2. Wait one minute before closing the printer.
Caution • The printhead becomes hot while printing. To protect from damaging the
printhead and risk of personal injury, avoid touching the printhead. Use only the cleaning
pen to perform maintenance.