Control-panel message Status alert Description Recommended action
50.1 Fuser Error
Turn off then on
Abnormally low fuser
temperature.
1. Remove the fuser and
check for any residual
media in the fuser. Remove
any residual media.
2. Reinstall the fuser. Check
the connector (J704)
between the fuser and the
product. If it is damaged,
replace the fuser drive unit
or fuser.
3. Reconnect the connector
(J131A) on the DC
controller PCA and the
connectors (J109, J110) on
the power line between the
low-voltage power supply
unit and fuser.
4. Replace the fuser.
50.2 Fuser Error
Turn off then on
Fuser warm-up failure. 1. Reinstall the fuser. Check
the connector (J704)
between the fuser and the
product. If it is damaged,
replace the fuser drive unit
or the fuser.
2. Reconnect the connector
(J131A) on the DC
controller PCA and the
connectors (J109, J110) on
the power line between the
low-voltage power supply
unit and fuser.
3. Replace the fuser.
50.3 Fuser Error
Turn off then on
Abnormally high fuser
temperature.
1. Reinstall the fuser. Check
the connector (J704)
between the fuser and the
product. If it is damaged,
replace the fuser drive unit
or fuser.
2. Reconnect the connector
(J131A) on the DC
controller PCA.
3. Replace the fuser.
ENWW Tools for troubleshooting 219
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