Paxar Monarch 9412 Reference Manual page 127

290 Action must be 0 (disable) or 1 (enable) for the
backfeed control packet or the printer is active.
291 Dispense position must be 50 to 200 dots and the
backfeed distance is greater than the dispense position
or the printer is active.
292 Backfeed distance must be 10 to 200 dots or the printer
is active.
310 Check digit scheme number must be 1 to 10.
311 Modulus must be 2 to 11.
314 Check digit algorithm must be D (sum of digits) or P
(sum of products).
325 Duplicating direction must be 0 (insert after) or 1 (insert
before) in duplicate fields for graphics.
327 Amount of row adjustment must be 0 to 999 (0 to 99 for
9403) dots in duplicate fields for graphics.
328 Duplicate count must be 0 to 999 (0 to 99 for 9403).
340 Bitmap line encoding must be H (hex) or R (run length).
350 Font selector must be 1 to 9999.
351 Font data length must be 68 to 16384.
352 Insufficient font memory is available for the downloaded
font.
380 Job request is outside the range 0 to 4.
400 The character immediately following { is invalid.
402 Field separator is not in the expected location.
403 Field separator was not found.
Errors 9-9