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CAUTION An improperly connected print head data cable or power cable
can cause these error messages. The print head may be hot enough to cause
severe burns. Allow the print head to cool.
The print head data cable is not properly
connected.
CAUTION Turn OFF printer power
before performing this procedure.
Failure to do so can damage the print
head.
1. Turn OFF printer power.
2. Disconnect and reconnect the
data cable to the print head.
3. Ensure that the cable connector is
fully inserted into the print head
connector.
4. Turn ON the printer.
WARNING — HEAD COLD
THERMISTOR FAULT
ERROR CONDITION — HEAD
ELEMENT BAD
(Printer stops, ERROR light on, printer
cycles through these three messages.)
The print head has a faulty thermistor. Call 3M Service.
CAUTION An improperly connected print head data cable or power cable
can cause this error message. The print head may be hot enough to cause severe
burns. Allow the print head to cool.
The print head temperature is
approaching its lower operating limit.
Continue printing while the print
head reaches the correct operating
temperature. If the error remains,
the environment may be too cold for
proper printing. Relocate the printer to
a warmer area.
The print head data cable is not properly
connected.
CAUTION Turn OFF printer power
before performing this procedure.
Failure to do so can damage the print
head.
1. Turn OFF printer power.
2. Disconnect and reconnect the
data cable to the print head.
3. Ensure that the cable connector is
fully inserted into the print head
connector.
4. Turn ON the printer.
WARNING — HEAD COLD
(Printer prints while ERROR light
flashes.)
The print head has a faulty thermistor. Call 3M Service.
CAUTION The print head may be hot enough to cause severe burns. Allow
the print head to cool.
WARNING — HEAD TOO HOT
(Printer stops, ERROR light flashes.)
The print head is over temperature. Allow the print head to cool. Printing
automatically resumes when the print
head elements cool to an acceptable
operating temperature.
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