Konica Minolta bizhub PRO 1050 Service Manual page 662

Field Service Ver3.0 Nov.2006
Classification Code
SD SC77-70 Saddle stitching alignment home
abnor-
mality
SC77-71 Bundle press movement home
SC77-72 1st folding blade home sensor /2
SC77-73 2nd folding blade home sensor /2
Causes
sensor /Lt (PS29) does not turned
ON within a specified period of
time after the saddle stitching
alignment motor /Lt (M16) starts
the home position search opera-
tion.
Or, even after a specified period of
time after M16 starts the opera-
tion, it does not stop.
sensor (PS36) does not turned ON
within a specified period of time
after the bundle press movement
motor (M17) starts the home posi-
tion search operation.
Or, even after a specified period of
time after M17 starts the opera-
tion, it does not stop.
(PS21) does not turned ON within
a specified period of time after the
1st folding blade motor (M18)
starts the home position search
operation.
Or 1st folding blade home sensor
/1 (PS20) does not turned ON
within a specified period of time
after M18 starts the operation.
(PS23) does not turned ON within
a specified period of time after the
2nd folding blade motor (M19)
starts the home position search
operation.
Or the 2nd folding blade home
sensor /1 (PS22) does not turned
ON within a specified period of
time after M19 starts the opera-
tion.
14. MALFUNCTION CODE
Resulting Estimated abnormal parts
operation
The main body Saddle stitching alignment
and the SD stop motor /Lt (M16)
immediately to Saddle stitching alignment
turn OFF the main home sensor /Lt (PS29)
relay (RL1). SD control board (SDCB)
SD drive board (SDDB)
Bundle press movement
motor (M17)
Bundle press movement
home sensor (PS36)
SD control board (SDCB)
SD drive board (SDDB)
1st folding blade motor
(M18)
1st folding blade home sen-
sor /1 (PS20), /2 (PS21)
SD control board (SDCB)
SD drive board (SDDB)
2nd folding blade motor
(M19)
2nd folding blade home
sensor /1 (PS22), /2 (PS23)
SD control board (SDCB)
SD drive board (SDDB)
627
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