Printronix T4204 User Manual page 199

Table 13. LCD Message Troubleshooting (continued)
Displayed Message
xxx Yes
P/H Control Mode
POWER SUPPLY No
VOLT*
NOTE: Do not press the FEED key with the "LABEL PRESENT Remove Label" message
displayed or the message will be removed, until the PAUSE key is pressed. Also, each
pressing of the FEED key will cause a blank label to be added at the end of the print job.
PRINT HEAD HOT Yes
See Manual
RIBBON DETECTED Yes
In Direct Mode
Can
User Explanation
Correct?
Sensed Printhead
temperature is 55° to
59°C causes a 50%
reduction in print speed.
This mode dramatically
extends the time before a
PRINT HEAD HOT fault
would occur and permits
long print jobs to
complete without
interruption. Printing
stays in this mode until
head temperature drops
below 52°C where full
speed printing resumes,
or until head temperature
reaches 60°C where
printing stops with a
PRINT HEAD HOT fault
message displayed.
Power supply failed.
The printhead has
become overheated.
Printer senses ribbon
installed, but Print Mode
is set for Direct thermal
printing (printing where
no ribbon is required).
Fault Messages
Solution
This is a printer protection
feature, but the time before the
printer reaches the P/H Control
Mode may be extended by:
1. Placing the printer in a cooler
temperature environment.
2. Cleaning the printhead more
frequently between jobs.
3. Reducing the Print Speed.
4. Reducing the print intensity.
5. Extending the idle time
between print jobs.
6. Reducing the amount of black
image density per print job.
7. If problem persists, contact
your authorized service
repersentative.
Contact your authorized service
representative. Check 5A 250V
fuse on power supply. Replace
if necessary. Replace the power
supply assembly.
1. Allow the printhead to cool
down for 5 minutes, then
press CLEAR. Resume
printing.
2. If problem persists, contact
your authorized service
representative.
1. Remove the ribbon from the
printer if Direct Thermal
media is being used.
2. Change the Print Mode from
Direct to Transfer if thermal
transfer printing is being
used.
199