Users Manual Part 4

127
Diagnostics and Troubleshooting
Alert and Error States—Alerts and Error Messages
5/9/19 ZT411/ZT421 Color Touch User Guide P1106464-001
STATUS light steady yellow
SUPPLIES light flashing yellow
In thermal transfer mode:
• ribbon is not loaded
• ribbon is loaded incorrectly
• the ribbon sensor is not
detecting ribbon
• media is blocking the
ribbon sensor
1. Load ribbon correctly. See
Load the Ribbon
on page 43.
2. Calibrate the printer. See
Calibrate the Ribbon and
Media Sensors on page 92.
In thermal transfer mode, the
printer did not detect the
ribbon even though it is loaded
correctly.
Calibrate the printer (see
Calibrate the Ribbon and
Media Sensors on page 92) or
load printer defaults by
touching Menu > System >
Settings > Restore Defaults >
Restore Printer.
If you are using direct thermal
media, the printer is waiting
for ribbon to be loaded
because it is incorrectly set for
thermal transfer mode.
Set the printer for Direct
Thermal mode. See Print >
Print Quality > Print Type
on page 76.
STATUS light steady yellow
Caution • The printhead may be hot enough to cause
severe burns. Allow the printhead to cool.
The printhead is over
temperature.
Allow the printer to cool.
Printing automatically resumes
when the printhead elements
cool to an acceptable operating
temperature.
If this error persists, consider
changing where the printer is
located or using a slower print
speed.
STATUS light steady yellow
The printer shows one of these messages
or cycles between them.
Caution • An improperly connected printhead data or
power cable can cause these error messages. The
printhead may be hot enough to cause severe burns.
Allow the printhead to cool.
The printhead data cable is not
properly connected.
Call a service technician to
hook up the printhead
properly.
The printhead has a faulty
thermistor.
Call a service technician to
replace the printhead.
Display/
Indicator Lights
Possible Causes Recommended
Solutions
Ribbon Is Out
Please Replace Ribbon
PRINTHEAD OVERTEMP
PRINTING HALTED
HEAD COLD
PRINTING HALTED
THERMISTOR
REPLACE PRINTHEAD
DRAFT