Konica Minolta bizhub c20 Service Manual page 378

Field Service Ver. 1.0 Sep. 2008
Display message
CF01
SCANNER MOTION ERROR
CHECK SCANNER LOCK
(0650)
14A3
1038
3FFF
4FFF
C002
C003
C013
C015
C022
C025
C026
C027
C050
Misfeed location
• Contact the responsible people of KONICA MINOLTA
BB error
before taking some countermeasures.
• A low motor lock signal is not detected even after the
lapse of a predetermined period of time after the
Scanner home sen- polygon motor has been started.
sor abnormalities • The motor lock signal remains HIGH for a predeter-
mined consecutive period of time while the polygon
motor remains energized.
• The intensity of the light emitted from the exposure
IR lamp malfunction
lamp of the scanner falls short of the specified value.
• Printer control board (PRCB) to MFP board/1 (MFPB/
1) connection failure
• The copier determines that there is an error if the
print control board (PRCB) fails to send an acknowl-
edgement signal to the MFP board/1 (MFPB/1) for a
Engine connect error
given period of time or more.
• An error command signal is transmitted from the MFP
board/1 (MFPB/1) to printer control board (PRCB).
• An error status signal is transmitted from the printer
control board (PRCB) to MFP board/1 (MFPB/1).
• The copier determines that there is an error if writing
to the flash ROM fails during upgrading of the firm-
ware.
• When the power switch is turned ON, the error indica-
Flash ROM write tor lights up steadily and a corresponding message
error appears on the display.
• If this error message appears, no operations can then
be performed. It is not possible to upgrade the firm-
ware from a PC connected through USB connection,
either.
Controller connect • MFP board/1 (MFPB/1) to MFP board/2 (MFPB/2)
error connection failure
RAM error at startup • RAM error at standard memory is detected during
(standard memory) printer start-up.
RAM error at startup • RAM error at expanded memory is detected during
(expanded memory) printer start-up.
MAC address error • Invalid MAC address is detected during printer start-
at startup up.
Boot ROM error at
• Boot ROM error is detected during printer start-up.
startup
NVRAM error at
• NVRAM error is detected during printer start-up.
startup
Controller ROM error
• Lead error of destination setting file is detected dur-
(Configuration infor-
ing the printer starting.
mation error)
Controller ROM error • Flash ROM access error is detected during the
(Access error) printer starting.
Controller ROM error • Final check sum error is detected during the printer
(Data error) starting.
• When correct access to the hard disk kit is failed dur-
HDD access error
ing access.
18. Malfunction code
Detection timing
333