EC-520 User’s Manual
①
Phenomenon: Paper out LED is on and cannot print;
Or the printing action stops suddenly while printing, and paper out LED is on; and
at the same time the alarm voice is presented by the printer.
Reason: Paper out
Solution: Install paper roll once again, the printer will resume normal.
②
Phenomenon: Paper out LED is blinking.
Reason: Paper is about to use up.
Solution: Prepare to install new paper roll.
（
4
）
Print head overheat protection
Phenomenon: The print head move, but not print.
Reason: The temperature of the print head is too hot, and it enters the protect state.
Solution: Please wait patiently; the printer will recover automatically after the print head has been
cooled.
（
5
）
Print quality
①
Phenomenon: The printer can't print at all.
Solution: 1. Check the ribbon cassette is installed correctly.
2. Make sure that the interface cable is connected correctly.
②
Phenomenon: The printed characters are feint
Solution: Remove the ribbon cassette and turn the ribbon knob, then install it again. If the
printed characters are still feint, please replace a new one.
③
Phenomenon: One line prints only one character, or the spacing between characters is too large.
Solution: Initialize the printer and make it come back to factory default setting.
Method: Pressing the
FEED
key, and turn on the printer, when you hear it sound 5 beeps, loosen
the
FEED
key, the printer is initialized automatically.
（
6
）
print character
Phenomenon: The printer can’t print the appropriate characters.
Solution: Make sure the driver is installed correctly, and the character format you selected in the
application is the appropriate format.
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