what is the value multiplied next to each line ???

what is the value multiplied next to each line ???
es
G1 X39.239 Y76 E2456.267 * 69; * 69
G0 X39.399 Y76 * 53; * 53
G0 X44 Y75.427 * 63; * 63

what generates this percentage since the listing does not appear?

Comments

  • That is the checksum send to printer for error identification.
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