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6.2 Printer assembly
When you are assembling, simply assemble in the reverse order of dis-assembly.
7. Cleaning the printer
Dust, foreign matter, stickum or other contaminants that stick to inside print head or printer may
degrade the print quality. At the time of decontamination, please clean the print head according to the
following methods.
7.1 Cleaning the print head
1) Please open the cover of the printer and clean with a cleaning pen or cotton swab stained with diluted
alcohol (alcohol or isopropanol) from the center of the print head to the sides.
2) After cleaning the print head, do not use the printer immediately, wait for the clean alcohol used to
evaporate completely (1 to 2 minutes), and the print head must be completely dry before use.
7.2 Cleaning sensor, rubber roller and paper paths
1) Please open the flap of the printer and take out the paper roll.
2) Use dry cotton cloth or cotton swab to remove dust or foreign matters.
3) Soak cotton cloth or cotton swab with medical alcohol and wipe away sticky foreign matters or other
contaminants with it.
4) Do not use the printer immediately after cleaning components, wait for the alcohol to evaporate
completely (1 to 2 minutes), and use the printer after it is completely dry.
※ Clean components when print quality or paper detection performance degrades.
Attention
1) Be sure to turn off the power of the printer before cleaning.
2) When the printer is printing, the print head will become very hot; therefore, if you want to clean the print
head, turn off the printer power and wait 2 to 3 minutes before starting.
3) When you are cleaning the print head, pay attention not to touch the heated component of the print head
to avoid its damage caused by static electricity, etc.
4) Be careful not to scratch or damage the print head.
5) Forceps and other metal tools shall not be used to scratch the surface of print head, rubber roller and
sensor.
6) Organic solvents such as gasoline, acetone, etc. shall not be used.
