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KONICA MINOLTA 8050/CF5001/C500/8150 Field Service Ver.3.0 Dec. 2004
Classification Abnormality
code
FS
F77-81
abnor-
mality
F77-91
F77-92
F77-98
F77-99
Commu-
E80-01
nication
abnor-
mality
E80-02
E80-03
ISW
E80-11
abnor-
mality
E80-21
E80-30
E80-31
Causes
After the gate drive motor
(M712) is turned ON, gate HP
sensor (PS716) is not turned
ON within the specified time.
Communication abnormality
when sub-CPU in FNS control
board (FNSCB) receives data
Communication abnormality
when the main CPU in FNS
control board (FNSCB)
receives data.
When the sub power switch
(SW2) was turned ON, unwrit-
ten control program of FNS
control Board (FNSCB) was
detected.
Abnormality other than those
known to control program of
FNS control board (FNSCB)
was detected.
When the sub power switch
(SW2) is ON, no response is
received from the printer con-
trol board (PRCB) within the
specified time.
Printer control board (PRCB)
communication abnormality
Operation board communica-
tion abnormality
When the sub power switch
(SW2) was ON, unwritten
range of ISW was detected in
the printer control program.
When the sub power switch
(SW2) was ON, unwritten
range of ISW was detected in
the GIF control program.
In the data transfer by ISW,
regular header information
cannot be received within the
specified time.
In the data transfer by ISW,
check sum error or header
error was detected in the
downloaded data.
5-27
Resulting
Estimated abnormal parts
operation
Main body and
FNS control board (FNSCB)
FNS stop
Gate drive motor (M712)
operation
Gate HP sensor (PS716)
immediately
and main relay
FNS control board (FNSCB)
(RL1) is
Printer control board (PRCB)
turned OFF.
Main body
Printer control board (PRCB)
stops immedi-
Overall control board (OACB)
ately and main
relay (RL1) is
turned OFF.
Operation board /1 (OB1)
Printer control program
VIF control program
Printer cable
USB cable
PC parallel port
PC USB port
Printer cable
USB cable
Program file abnormality
ERROR CODE LIST
2
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