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Zebra S-Series User’s Guide 65
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This section contains troubleshooting charts used to localize and repair the
printer when faults occur. The procedures called out in the ACTION
column may be performed by the operator or by a service technician when
indicated.
SYMPTOM DIAGNOSIS ACTION
All indicator lights never light.
No AC power applied to the
printer.
Ensure that the AC power
cable is connected to a
working voltage source.
Faulty AC power fuse. Refer to page 9 for fuse
replacement procedures.
No voltage available from the
internal power supply.
Call a service technician.
Printer locks up when running
Power-On Self Test.
An improper configuration was
set.
Reload factory defaults, then
set correct parameters (see
the instructions that begin on
page 28).
POWER light ON, other lights
all OFF or all ON and the
printer locks up.
ROM CRC test has failed. Call a service technician.
CALIBRATE light is OFF but
all other lights are on.
Dynamic RAM failed. Call a service technician.
CALIBRATE light and
POSITION light OFF but all
other lights ON.
FONT ROM error. Call a service technician.
PRINTHEAD light is ON,
printing continues.
Printhead under-temperature
condition.
Wait until printhead warms up.
If condition persists and print
quality is affected, move
printer to warmer environment.
If print quality is acceptable,
no action is required.