RW973 MkⅡ User Manual
7 PRINTER CLEANING AND MAINTENANCE
Print quality might be degraded by dust, foreign substance, adhesive substance, or other pollution
materials stuck in the printer head or inside the printer.
When dirty, clean the print head as follows:
※ CAUTION
Make sure to turn off the printer prior to cleaning.
As the print head gets hot during printing, turn the printer off and wait approximately 2~3
minutes before starting to clean.
When cleaning the print head, take care not to touch the heated portion of the print head.
Print Head is susceptible to damage from static electricity, etc.
Take care not to allow the print head become scratched or damaged in any way.
7.1 Cleaning Head
1) Open the Printer cover and then use the cotton swab with medical alcohol to clean the head in
the direction from the center of the head to the edges.
2) After cleaning the head, do not use the printer until the alcohol used for cleaning evaporates
completely (1~2 min.) and the printer is completely dry.
7.2 Cleaning Sensors, Roller and/or Paper Path
1) Open the printer cover and remove the paper.
2) Remove any dust or foreign substance using dry cloth or cotton swab.
3) Soak the cloth or cotton swab in medical alcohol and use it to remove adhesive foreign
substances or other pollutant.
4) After cleaning the parts, do not use the printer until the alcohol evaporates completely (1~2
min.) and the printer is completely dry.
※ Clean the parts whenever print quality or paper detection degraded.
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