Paxar 9402 Reference Manual page 183

416 Flash/PC board error. Call Technical Support.
417 Flash memory is full. Clear flash. Resend the format,
graphic, and check digit packets. If the error
reappears, call Technical Support.
420 Internal software list error. Call Technical Support.
421 Internal software list error. Call Technical Support.
422 Duplicate internal name. Call Technical Support.
423 Internal software list error. Call Technical Support.
424 Internal software list error. Call Technical Support.
425 Internal software list error. Call Technical Support.
426 Internal software list error. Call Technical Support.
427 Format name is invalid. Valid name is 1 - 8 characters
inside quotes or "" for a printer-assigned name. Press
ENTER or ESCAPE/CLEAR, depending on your printer
and try to continue. If the error reappears, call Technical
Support.
428 Batch name is invalid or graphic not found. Press
ENTER or ESCAPE/CLEAR, depending on your
printer and try to continue. If the error reappears, call
Technical Support.
429 A field number appears more than once in a format.
430 The format uses a graphic file that cannot be found.
433 The batch references a field number that does not exist
in the format.
497 An error occurred during the loop back test on the
parallel port. Call Service.
499 An error occurred during the loop back test on the serial
port. Call Service.
Diagnostics and Errors 8-17