Konica Minolta bizhub PRO 1050 Service Manual page 603

14. MALFUNCTION CODE
Classification Code
Motor SC23-05 The blowout of a fuse for the
abnor-
mality
SC23-06 It is checked that the movement of
SC23-07 It is checked that the movement of
568
Causes
blade motor (M22) in the printer
control board (PRCB) is checked.
The drum READY1 signal (READY
condition) cannot be detected
within a specified period of time
after the drum motor (M2) turns
ON. Or, the drum READY1 signal
(READY release condition) cannot
be detected within a specified
period of time after M2 turns OFF.
At this time, the error detection
signal (blowout of a fuse) of the
blade motor (M22) is detected.
the blade motor (M22) is not com-
pleted.
The drum READY1 signal (READY
condition) cannot be detected
within a specified period of time
after the drum motor (M2) turns
ON. Or, the drum READY1 signal
(READY release condition) cannot
be detected within a specified
period of time after M2 turns OFF.
At this time, an error detection sig-
nal is not detected.
the blade motor (M22) is not com-
pleted, and 24V power source is
also checked.
The blade READY signal (READY
condition) cannot be detected
within a specified period of time
after the blade replacement signal
turns ON. Or, the blade READY
signal (READY release condition)
cannot be detected within a spec-
ified period of time after the blade
replacement signal turns OFF. At
this time, an error detection signal
(24V cut off) is detected.
Field Service Ver3.0 Nov.2006
Resulting Estimated abnormal parts
operation
The main body Blade motor (M22)
stops immediately Printer control board (PRCB)
to turn OFF the
RL1 (main).
DC power supply /2 (DCPS/
2)