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PR-600 Series HPRT-HT100 User Manual
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Chapter 5 Maintenance & Adjustment
Adhesives and coatings of the media can transfer to the printer parts over time along
the media path including the thermal print head and media sensor. This build-up can
accumulate dust and debris. Failure to clean the print head, media path, and media
sensor could result in inadvertent loss of labels, label jams and possible damage to the
printer.
Note:

Make sure to turn off the printer prior to cleaning.

As the print head gets hot during printing, if intending to clean the print head,
turn the printer off and wait approximately 2~3 minute before commencement.

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. So it is
strongly recommended to wear hand gloves during cleaning progress.

Take care not to allow the print head become scratched and/or damaged in any
way.
5.1 Cleaning Media Sensor
Debris or dirt on the paper sensor can cause a miss-read or unstable detection of the
label gap. Clean with a cotton bud dampened with alcohol.
5.2 Cleaning Thermal Print Head
Thermal Paper stock on the print head, which degrades print quality. Clean the print
head with methanol or isopropyl alcohol and a cotton bud. Do not touch the heating
elements with your fingers.
1)
Open the Printer Cover and then use the cleaning pen to clean the head in the
direction from the center of the head to two sides.
2)
After cleaning the head, do not use the printer until the alcohol used for cleaning
evaporates completely (1~2 min) and the printer has completely dried.
3)
Perform the cleaning process each time the paper roll is replaced to prevent print
quality deterioration.