◼ SD card is damaged.
◼ SD card doesn’t insert correctly.
◼ Use the supported capacity SD card.
◼ Insert the SD card again.
◼ Media is loaded incorrectly
◼ Dust or adhesive accumulation on the print
head.
◼ Print density is not set properly.
◼ Print speed is not set properly.
◼ Print head element is damaged.
◼ Reload the supply.
◼ Clean the print head.
◼ Clean the platen roller.
◼ Adjust the print density and print speed.
◼ Run printer self-test and check the print head test pattern
if there is dot missing in the pattern.
◼ Change proper media roll.
◼ Make sure the print carriage is closed properly.
Missing printing on the left or right
side of label
◼ Wrong label size setup.
◼ Set the correct label size.
◼ The printer is in Hex Dump mode.
◼ Turn off and on the printer to skip the dump mode.
Skip labels when printing
◼ Label size is not specified properly.
◼ Sensor sensitivity is not set properly.
◼ The media sensor is covered with dust.
◼ Check if label size is setup correctly.
◼ Calibrate the sensor by Auto Gap or Manual Gap options.
◼ Clear the GAP/Black mark sensor by blower.
RTC time is incorrect when reboot
the printer
◼ The battery has run down.
◼ Check if there is a battery on the main board.
LCD panel is dark and keys are not
working
◼ The cable between main PCB and LCD
panel is loose.
◼ Check if the cable between main PCB and LCD is
secured or not.
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