Minolta Di551 Service Manual page 523

ELECTRIC PARTS LIST
Warning
Classification
Code
Communica- E80-01
tion abnor-
mality
E80-02
E80-03
ISW abnor- F80-11
mality
F80-30
F80-31
F80-32
F80-40
ADU stand E90-01
abnormality
E90-02
Fan abnor- F92-01
mality
Cause
No response from PRCB (printer
control board) for 5 seconds after
SW2 (sub power) is turned ON.
Communication abnormality in
PRCB (printer control board).
Communication abnormality in oper-
ation unit.
When SW2 (sub power) was turned
ON, an area which had not been writ-
ten by ISW was detected in the
printer control program.
When data is transferred by ISW, nor-
mal header information cannot be
received within the specified time.
When data is transferred by ISW, a
checksum error or header error was
detected in the downloaded data.
When data is transferred by ISW,
data cannot be written to the flash
ROM properly.
When SW2 (sub power) was turned
ON, an area which had not been writ-
ten by ISW was detected in the FNS
program.
ADU drive serial input error 1.
Serial data from ADUDB (ADU drive
board) (ID=0) cannot be received
from ACK within 0.5 second when
SW2 (sub power) turns ON.
ADU drive serial input error 2.
Serial data from ADUDB (ADU drive
board) (ID=7) cannot be received
from ACK within 0.5 second when
SW2 (sub power) turns ON.
The FM10 (ADU reverse motor cool-
ing) EM signal was abnormal 2 sec-
onds after turning ON of FM10. 2
seconds after turning FM10 OFF and
ON again, the signal is still abnormal.
Machine response
The machine stops
immediately and RL1
(main) is turned OFF.
4-54
Estimated
abnormal parts
PRCB (printer control board)
PRCB (printer control board)
OB1 (operation board /1)
PRCB program
Printer cable
PC parallel port
Printer cable
Program file error
Printer cable
Program transfer destination
board
FNS program
ADUDB (ADU drive board)
FM10 (ADU reverse motor
cooling)
ADUDB (ADU drive board)
PRCB (Printer control board)