Printronix P8000 Series Administrator's Manual page 263

Table 23 LCD Message Troubleshooting Table (ASCII)
Displayed Message
<Online, etc...>
Half Speed Mode
HAMMER COIL BAD*
#, #, #, ...etc
HAMMER DRIVER
CIRCUIT BAD*
HAMMERBANK
NOT INSTALLED*
HMR BANK FAN FLT
ILL EXT BUS ACC*
Can User
Explanation
Correct?
No Status message: The
controller samples the
operating temperature of
key components of the
print mechanism. When
higher than normal
temperatures are
sensed, the print speed
is automatically reduced
by 50% and the
message sent the LCD.
When the components
cool down, the print
speed returns to 100%
and the message clears.
No Hammer coil # failed
current test at power up.
No Driver Circuit Bad. The
hammer coil count test
failed.
No Hammer Bank Not
Installed. Self-test
routines do not detect
hammer coils at printer
start-up.
Yes Sensor cannot detect
current in fan circuit.
No Illegal External Bus
Access. Firmware error
on the controller board.
Solution
No action is required. If
the message appears
often, contact your
authorized service
1
representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Check that fan cable is
connected. Check for
obstruction of vents and fan
airway; remove any
obstructions. Check for items
beneath the printer blocking
cabinet vents. Power back
on the printer. If this
message recurs, contact
your authorized service
1
representative.
Contact your authorized
1
service representative.
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