Konica Minolta bizhub C350 Service Manual page 622

FS-601 Field Service Ver2.0 Sep. 2004
Code
C0B55 Stapler/Folding Motor malfunc-
tions
C0B75 Punch Control Board malfunc-
tions
C0B76 Punch Side Registration Motor
malfunctions
C0B77 Punch Motor malfunctions
C0B79 Punch Sensor malfunctions
Item
• The Staple Drive Home Position Sensor (PI19-FN) is
not blocked even after the lapse of a given period of
time after the clinch operation has started.
• An encoder clock input is not detected within a given
period of time during a clinch operation.
• The Folding Home Position Sensor (PI11-FN) is not
blocked even after the lapse of a given period of time
after the Folding Unit has started moving from a posi-
tion out of the home position during an initial operation.
• The Folding Home Position Sensor (PI11-FN) is not
unblocked even after the lapse of a given period of time
after a folding operation has been started during an
ordinary operation.
• The Folding Home Position Sensor (PI11-FN) is not
blocked even after the lapse of a given period of time
after a folding operation has been started and the sen-
sor has been unblocked during an ordinary operation.
• An encoder clock input is not detected within a given
period of time during a folding operation.
• No response is received to a request made by the Fin-
isher within a given period of time during initial commu-
nications.
• No response is received to a request made by the Fin-
isher within a given period of time during ordinary com-
munications.
• There is no match in the checksum values of the
backup data as checked twice.
• The 24 V power source of the Punch Unit is OFF when
an operation request is made from the Finisher.
• The Side Registration Home Sensor (PI2P-PK) is not
unblocked even after the lapse of a given period of time
after the Punch Side Registration Unit has started mov-
ing from its home position.
• The Side Registration Home Sensor (PI2P-PK) is not
blocked even after the lapse of a given period of time
after the Punch Side Registration Unit has started mov-
ing from a position not the home position.
• The home position is not detected within a given period
of time after the Punch Motor has been rotated a half
turn.
• An encoder clock input is not detected even after the
lapse of a given period of time during operation of the
Punch Motor.
• The setting value calculated during the initial operation
falls outside the threshold value range.
• The light receiving voltage is 2.5 V or less when the illu-
minating voltage is set to 4.4 V.
• The light receiving voltage is 2.5 V or more when the
illuminating voltage is set to 0 V.
• The illuminating voltage setting is 4.4 V or more after
the adjustment has been made.
Trouble code
Description
4-7