Service Manual

ERROR CODE LIST
4-39
IV DIAGRAMS
3
4. ERROR CODE LIST
4.1 Error Code List
Classification
Warning
code
Causes Resulting
operation
Estimated abnormal parts
Main body
Communication
abnormalities
F10-1 Communication error at CB (Main
body control board)
Failure in serial communication
between the SCB (System control
board) and CB (Main body control
board).
The main
body stops
immediately,
and the RL1
(Main) turn
OFF.
CB (Main body control board)
SCB (System control board)
F10-2 Communication error at CB (Main
body control board)
Serial communication error to the
sub CPU in the CB, receiving
command error, and platen oper-
ation sequence error.
CB (Main body control board)
F10-3 Communication error between
the CB (Main body control board)
and DBDB (DB drive board).
CB (Main body control board)
DBDB (DB drive board)
F10-4 Sub-CPU A/D conversion error
Two consecutive failures to
respond to CB (Main body control
board) A/D conversion request.
CB (Main body control board)
Paper feed
tray abnor-
malities
F18-1 Error in main body upper tray up
PS10 (Upper limit sensor/L) failed
to turn ON within a predetermined
time after M7 (Tray motor /U) ON.
CB (Main body control board)
M7 (Tray motor/U)
PS7 (Upper limit sensor/U)
F18-2 Error in main body lower tray up
PS10 (Upper limit sensor/L) failed
to turn ON within a predetermined
time after M8 (Tray motor/L) ON.
CB (Main body control board)
M8 (Tray motor/L)
PS10 (Upper limit sensor/L)
F18-3 Error in DB upper tray up
PS102 (Tray upper limit sensor/3)
failed to turn ON within a prede-
termined time after M101 (Tray
up drive motor/3) ON.
DBDB (DB drive board)
M101 (Tray up drive motor/3)
PS102 (Tray upper limit sen-
sor/3)
Main body
Paper feed
tray abnor-
malities
F18-4 Error in DB lower tray/LCT tray up
PS107 (Tray upper limit sensor/4)
failed to turn ON within a prede-
termined time after M102 (Tray
up drive motor/4) ON.
The main
body stops
immediately,
and the RL1
(Main) turn
OFF.
DBDB (DB drive board)
M102 (Tray up drive motor/4)
PS107 (Tray upper limit sen-
sor/4)
F18-5 Error in LT tray up
PS152 (Tray upper limit sensor)
failed to turn ON within a prede-
termined time after M151 (Tray
up drive motor) ON.
LTDB (LT drive board)
M151 (Tray up drive motor)
PS152 (Tray upper limit sen-
sor)