Paxar Monarch 9850 - Manual (Page 218)

906 Non-maskable interrupt. Check format packet for font
clear or format clear packets.
907 Low RAM error.
908 Non Volatile RAM checksum failure.
909 RAM corrupted.
910Warm restart.
911 Version string mismatch.
930Flash erase error.
931 Flash write error.
932 RAM write error.
933 Parity error.
934 Framing error.
935 Buffer overrun.
936 Bad record type.
937 Bad hex data.
938 Bad checksum.
939 Bad record count.
940Bad flash address.
Errors numbered 900-911 occur when you turn on the printer.
They may indicate a circuit board failure. Errors numbered
930-940 are errors that may occur during the loading of flash
memory. Errors numbered 950-999 indicate a circuit board
failure. Call Technical Support if you receive any of these
messages.
8-28 Diagnostics and Errors