Service manual

ELECTRIC PARTS LIST
4-46
3 DIS./ASSEMBLY
4 ELECTRIC PARTS LIST
Main body
Communi-
cation
abnormality
E80-01 No response from PRCB (printer
control board) for 5 seconds after
SW2 (sub power) is turned ON.
The machine stops
immediately and RL1
(main) is turned OFF.
PRCB (printer control
board)
E80-02 Communication abnormality in
PRCB (printer control board).
PRCB (printer control
board)
E80-03 Communication abnormality in
operation unit.
OB1 (operation board /1)
ISW abnor-
mality
F80-11 When SW2 (sub power) was
turned ON, an area which had not
been written by ISW was detected
in the printer control program.
PRCB program
F80-30 When data is transferred by ISW,
normal header information cannot
be received within the specified
time.
Printer cable
PC parallel port
F80-31 When data is transferred by ISW, a
checksum error or header error
was detected in the downloaded
data.
Printer cable
Program file error
F80-32 When data is transferred by ISW,
data cannot be written to the flash
ROM properly.
Printer cable
Program transfer destina-
tion board
F80-40 When SW2 (sub power) was
turned ON, an area which had not
been written by ISW was detected
in the FNS program.
FNS program
ADU stand
abnormality
E90-01 ADU drive serial input error 1.
Serial data from ADUDB (ADU
drive board) (ID=0) cannot be
received from ACK within 0.5 sec-
ond when SW2 (sub power) turns
ON.
ADUDB (ADU drive board)
E90-02 ADU drive serial input error 2.
Serial data from ADUDB (ADU
drive board) (ID=7) cannot be
received from ACK within 0.5 sec-
ond when SW2 (sub power) turns
ON.
Fan abnor-
mality
F92-01 The FM10 (ADU reverse motor
cooling) EM signal was abnormal 2
seconds after turning ON of FM10.
2 seconds after turning FM10 OFF
and ON again, the signal is still
abnormal.
FM10 (ADU reverse motor
cooling)
ADUDB (ADU drive board)
PRCB (Printer control
board)
Classification
Warning
Code
Cause Machine response
Estimated
abnormal parts