Apollo – Protocol error

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Apollo – Protocol error T:F0…3,h.3;<-?
Protocol error occurs on the printers front panel when printing a label from EASYLABEL.

When using the internal fonts Swiss 721, or Monospace 821, and choosing a character width of .01″, this error occurs.

Do not use .01″ character width for these internal fonts. The printed output would not be readable even if this size did work.