NCR RealPOS 7199, User Manual

Page: 48 / 224

2-30 Troubleshooting Problems
Cause What to Do Where to Go
Thermal
print head
temperature
is out of
range The print head may overheat when
printing in a room where the
temperature is above the recommended
operating temperature or when printing
high–density graphics continuously,
regardless of the room temperature. In
either case, the printer will shut off.
If the temperature of the print head is
too hot, adjust the room temperature or
move the printer to a cooler location.
If the print head is overheating because
of printing high density graphics
continuously, reduce the graphics print
density.
If the printer continues to overheat,
contact a service representative.
Refer to Physical
and Operating
Environment
on
page 130 for the
recommended
temperature range
for operating the
printer.
If the printer
continues to
overheat, refer to
Contacting a Service
Representative
on
page 35 .
Power
supply
voltage is
out of range If paper is not low and no conditions
indicate that the print head is too hot,
the power supply voltage is out of range.
Contact a service representative. Refer to Contacting
a Service
Representative
on
page 35 .