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Infoprint 1222
Make sure the correct voltage lamp is installed. The voltage rating is
stamped on one of the lamp contacts.
FRU
Fuser assembly
Action
If the fuser lamp comes on and a
fuser failure error code displays, be
sure the thermistor is contacting the
hot roll and the thermistor cable is
firmly seated in connector J22 on the
RIP card assembly. (The thermistor
cable goes through the frame by way
of a connector.)
Check for excessive toner buildup
on the surface of the thermistor.
Clean as necessary.
Turn the printer off and disconnect
the thermistor cable from the RIP
card (J22).
Measure the resistance of the
thermistor. The resistance measures
approximately 245K ohms when cool
(approximately 40°C) and
2K–3K ohms hot.
Replace the fuser assembly as
necessary.
Diagnostic Information
2-33
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