905 Illegal interrupt.
906 Non-maskable interrupt.
907 Low RAM error.
908 Non Volatile RAM checksum failure.
909 RAM corrupted.
910 Warm restart.
911 Version string mismatch.
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.
When a HARD failure (errors 900-999) occurs on the 9403 or
9850 printer, the printer displays WARNING or POWER DOWN on
the top line of the keypad display.
If this happens, record the displayed message and turn off the
printer. If the problem reoccurs when you turn the printer on
again, call Technical Support.
If the problem does not reoccur after you turn your printer on
again, reset your printer’s SETUP options. Retransmit your
packets.
Printer
Display
Description
WARNING
RAM Test Failure
RAM check failed on power up. Reset
your SETUP options. Transmit your
packets again.
POWER DOWN
ROM Sum Failure
ROM checksum test failed.
8-24 Diagnostics and Errors