Control panel message Event log error message Description Recommended action
49 Service Error
Turn off then on
The product has experienced a
firmware error.
1. Turn off the power by using
the power switch, and then
wait at least 30 seconds.
2. Turn on the power and wait
for the product to initialize.
If the error persists, perform an
NVRAM initialization.
If the error persists, update the
firmware.
If the error persists, replace the
formatter.
50.1 Fuser Error
Turn off then on
50.1000 The product has experienced a
low fuser temperature error.
1. Turn off the power by using
the power switch, and then
wait at least 30 seconds.
2. Turn on the power and wait
for the product to initialize.
If the error persists, verify that the
thermistor connection in the
upper left of the fuser area is
firmly connected.
If the error persists, verify that the
J150, J156, and J157
connections on the DC controller
are firmly connected.
If the error persists, replace the
fuser.
50.2 Fuser Error
Turn off then on
50.2000 The product has experienced a
slow fuser error.
1. Turn off the power by using
the power switch, and then
wait at least 30 seconds.
2. Turn on the power and wait
for the product to initialize.
If the error persists, verify that the
fuser heat roller and pressure
roller surfaces are not damaged.
If the error persists, verify that the
fuser motor rotates freely and
that the gears are not damaged.
If the error persists, replace the
fuser.
If the error persists, replace the
DC controller.
50.3 Fuser Error
Turn off then on
50.3000 The product has experienced a
general fuser error.
1. Turn off the power by using
the power switch, and then
wait at least 30 seconds.
2. Turn on the power and wait
for the product to initialize.
Table 7-12 Control-panel messages (continued)
258 Chapter 7 Problem solve ENWW
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