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Subject Symptom TSB
# Cause
Solution
SC549
The fusing shield
gets stuck while
moving to home
position.
Firmware
History
Engine
firmware
Install version 1.25.2:08 or newer.
Engine
(Single
Pass DF)
firmware
Engine
firmware
Install version 1.11:01 or newer.
SC552
If the machine is
brought out of
Energy Saver
mode right after
entering that
mode.
Firmware
History
Engine
firmware
Install version 1.27:08 or newer.
Engine
(Single
Pass DF)
firmware
SC552-02
If SP1-135-001 is
changed to "1"
and the fusing
lamp is not at
100% output.
Firmware
History
Engine
firmware
Install version 1.26:08 or newer.
Engine
(Single
Pass DF)
firmware
SC554
Cannot be cleared
by replacing the
fusing unit and
executing SP5810-
02
Firmware
History
Engine
firmware
Install version 1.22:08 or newer.
SC620
Firmware
History
ARDF
DF3090
firmware
Install version 01.090:02 or newer
SC622
If paper is fed
from Tray 3
Firmware
History
LCIT RT3030
firmware
Install version 01.770:11 or newer
LCIT PB3170
firmware
Install version 01.770:10 or newer
LCIT PB3150
firmware
Install version 01.770:10 or newer
LCIT PB3160
firmware
Install version 01.770:10 or newer
Paper Feed
Unit PB3210
firmware
Install version 01.010:10 or newer
SC622 When
the
LCIT
PB3170 is
installed
D146-D147-
D148-D148-
D150 -017
LCIT PB3170
firmware
Install version 01.770:10 or newer
SC670
D146/D147/
D148/D149/
D150 – 006
The engine
board resets
and does not
restart
See the troubleshooting flow chart in
the TSB# 006. Will be added to the
service manual also.