Printronix T5204R Administrator's Manual page 310

Chapter 6
Diagnostics for E0xx, Bad NVM, or ILL NVM Errors
Table 18. LCD Message Troubleshooting (continued)
Displayed Message
27 CU TIMED OUT
28 CU NOT ENAB
33 HEAD OPEN
TIMEOUT
40V POWER FAIL
203 DPI Head
Installed
300 DPI Head
Installed
310
Can User
Explanation
Correct?
Yes Controller Unit Timed
Out: the printer was not
enabled for one minute
or more on a coax
interface.
Yes Controller Unit Not
Enabled. Poll time-out-
error. The printer was
not polled for one
minute across a coax
interface.
Yes Status message in the
CT emulation: The
printer was offline more
than 10 minutes, and
the "Intervention
Required" parameter is
set to "Send to Host."
Yes +40 VDC: an internal
power failure.
Yes Normal power-up
message. The printer
is running its
initialization routine
and indicating DPI
resolution of the
installed printhead.
Yes Normal power-up
message. The printer
is running its
initialization routine
and indicating DPI
resolution of the
installed printhead.
Solution
Check the cable connection
and host system. (Refer to the
line problem determination
procedures, as recommended
by the host system.)
Check the cable connection
and host system. (Refer to the
line problem determination
procedures, as recommended
by the host system.)
Close and latch the printhead.
Press PAUSE to put the printer
online.
Power off the printer for 15
seconds, then power back on.
If the problem persists, contact
your authorized customer
service representative.
No action required.
No action required.