Lexmark C950 - Page 63

Diagnostic information 2-15
5058-030
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121.01
Service fuser error
Encoder pulse fail No change was detected on the speed of
the belt for more than 1 second.
Go to “121.01 Encoder pulse failure” on
page 2-46.
121.03
Service fuser error
Heat belt (center) disconnection error Open circuit is detected at the fuser heat
belt.
Go to “121.03 Heat belt (center)
disconnection error” on page 2-47.
121.04
Service fuser error
Heat belt (center) overheat error Temperature in the heat belt has exceeded
the limit.
Go to “121.04 Heat belt (center)
overheat error” on page 2-47.
121.05
Service fuser error
Heat belt (rear) disconnection error Open circuit is detected at the fuser heat
belt.
Go to “121.05 Heat belt (rear)
disconnection error” on page 2-48.
121.06
Service fuser error
Heat belt (rear) overheat error Temperature in the heat belt has exceeded
the limit.
Go to “121.06 Heat belt (rear) overheat
error” on page 2-48.
121.07
Service fuser error
Heat belt (center) temperature
increase failure
The temperature is late in reaching a
specified temperature within the specified
time.
Go to “121.07 Heat belt (center)
temperature increase failure” on
page 2-49.
121.08
Service fuser error
Heat belt (rear) temperature increase
failure
The temperature is late in reaching a
specified temperature within the specified
time.
Go to “121.08 Heat belt (rear)
temperature increase failure” on
page 2-49.
121.09
Service fuser error
Fuser temperature lag error The temperature is late in reaching a
specified temperature within the specified
time.
Go to “121.09 Fuser temperature lag
error” on page 2-49.
121.10
Service fuser error
Heat belt rotation failure Speed of belt rotation did not change
within the specified time.
Go to “121.10 Heat belt rotation failure”
on page 2-50.
121.11
Service fuser error
Fuser temperature recovery failure. The status of the fuser temperature did not
switch at the specified time.
Go to “121.11 Fuser temperature
recovery failure” on page 2-50.
121.12
Service fuser error
Fuser failure Wrong fuser is possibly installed or fuser
drive PCBA has failed.
Go to “121.12 Fuser failure” on
page 2-51.
1xx service error codes
Error code Description Action