Method to enter hexadecimal mode
Method: When printer is connected power, press "FEED" button and turn on at the same time for about
10 seconds, release "FEED" button to enter data hex dump mode. it will print "Hexadecimal Dump"
on the paper.
Reset
Method: When printer is connected power, press "FEED" button and turn on at the same time for about
20 seconds, reset succeed if beeper peals.
How to solve paper jam
（1）Method 1
Re-start printer.
（2）Method 2
Open the battery cover near paper exit. Turn the white gear on the cutter. Only the cutter back to initial
position, can the cover be opened.
Caution: Do not damage the printhead and auto cutter by open the cover forcibly.
Cautions：
（1）Be sure to install your printer on a stable surface and prevent it from vibration and impact.
（2）Do not use and store in locations subject to high temperature humidity or pollution levels.
（3）Connect the power adapter into a properly grounded outlet. Do not share the same plug socket with
large-scale electrical motor or other motors which may cause the power supply voltage fluctuations.
（4）Avoid water or other conducive materials like metal get into the intern of printer. If it happens unplug
the AC power cord immediately.
（5）Do not print without paper or it will damage the rubber roller and thermal printhead.
（6）Unplug your printer before leaving it unused for an extended period. （
7）Never dissemble or modify the printer for repair or reconstruction.
（8）Be sure to use the original specified power source.
（9）Quality roll paper is recommended for premium printing and product maintenance.
（10）Be sure to turn the product off when plugging and unplugging.
（11）Place the plug socket around the product for convenience.
（12）This product is used only below 5000 meters above sea level in tropical climate conditions.
