Printronix P9000 Series - Manual (Page 39)

2-21 Operation
Field Service Required
Printer problems requiring the attention of an authorized service representative also appear
on the second line of the display and are indicated by an asterisk (*) next to the message:
PROGRAM PROM *
NOVRAM *
FONT PROM *
HAMMER DR PCB X * ( X = 1, 2, or 3 )
If HAMMER DR PCB X * appears on the display, printer power will automatically shut off 10
seconds after the fault message is displayed.
If, upon printer power-up, the lamps and/or LEDs flash and no message is provided in the
display, contact your authorized service representative to correct the fault permanently.