Konica Minolta bizhub 500 Service Manual page 633

13. MALFUNCTION CODE
Classification Code
Scanner C-6101
abnor-
mality
C-6201
Image C-6701
proces-
sing
C-6702
abnor-
mality
Commu- C-8001
nication
abnor-
mality
Fan C-8301
lock
abnor-
mality
FAX C-B001
board
C-B002
abnor-
mality
C-B003
FAX C-B110
driver
error
C-B111
C-B112
C-B113
C-B114
C-B115
C-B116
300
Causes
While in the exposure unit initial
search, the scanner home sensor
(PS30) does not turn on within a
specified period of time. And
also, while in the return scan,
PS30 does not turn on within a
specified period of time.
Exposure lamp (L1) abnormality.
A specified period of time after L1
turns on, an L1 abnormality signal
is detected in succession for a
specified period of time.
AOC abnormality.
AOC counter overflow
AGC abnormality.
AGC counter overflow
DF control board (DFCB) commu-
nication abnormality.
Communication abnormality
between the printer control board
(PRCB) and DFCB.
Cooling fan (FM3) abnormality.
FAX ROM checksum error
A FAX board hardware error is
detected.
A FAX file initialization abnormality
is detected.
Instance generation error or an
observer registration error
Initialization failure of the configu-
ration space
A semaphore is obtained; release
error
Sequence error between the
tasks on the main body side.
Message queue control error
Sequence error between the
main body and the FAX board
FAX board no response (no
response after initialization)
Field Service Ver1.0 Feb.2006
Resulting Estimated abnormal parts
operation
Scanner sec- Scanner motor (M2)
tion stops Scanner home sensor
immediately. (PS30)
Printer control board (PRCB)
Exposure lamp (L1)
L1 inverter (L1 INVVB)
Printer control board (PRCB)
CCD board (CCDB)
Exposure lamp (L1)
L1 inverter (L1 INVVB)
Scanner motor (M2)
Overall control board (OACB)
The main body DF control board (DFCB)
stops immedi- Printer control board (PRCB)
ately to turn OFF
the main relay
(RL1).
Cooling fan (FM3)
DF control board (DFCB)
FAX breakdown FK-502