Konica Minolta bizhub PRO 1050 Service Manual page 667

14. MALFUNCTION CODE
Classification Code
PB SC78-08 After the main CPU on the PB
abnor-
mality
SC78-09 The SC roller release operation
SC78-10 The movement of the SC entrance
SC78-11 The SC entrance roller release
SC78-12 After clamp alignment motor
SC78-13 After clamp motor (M22) turns on,
SC78-14 The rotation of the clamp section
SC78-15 The movement of the glue tank
SC78-16 An error detection signal is
632
2
Causes
control board (PBCB) sends an
SC pages conveyance start signal
to the sub CPU, a signal to notify
the completion of the process is
not returned to the main CPU
within a specified time period.
has not completed within a speci-
fied time period after the SC roller
release motor (M18) turns ON.
has not completed within a speci-
fied time period after the clamp
entrance movement motor (M19)
turns ON.
operation has not completed
within a specified time period after
the clamp entrance roller release
motor (M20) turns ON
(M21) turns on, the alignment
operation is not complete within
the specified time.
the open/close process of the
clamp section is not complete
within the specified time.
has not completed within a speci-
fied time period after the clamp
rotation motor (M23) turns ON.
has not completed within a speci-
fied time period after the glue tank
movement motor (M31) turns ON.
detected continuously for a speci-
fied time period while the glue
apply roller motor (M32) is driving.
Field Service Ver3.0 Nov.2006
Resulting Estimated abnormal parts
operation
The main body PB control board (PBCB)
and the PB stop PB drive board (PBDB)
immediately to SC bundle conveynace
turn OFF the main motor (M17)
relay (RL1).
PB control board (PBCB)
PB drive board (PBDB)
SC roller release motor
(M18)
PB control board (PBCB)
PB drive board (PBDB)
Clamp entranse movement
motor (M19)
PB control board (PBCB)
PB drive board (PBDB)
Clamp entranse roller
release motor (M20)
PB control board (PBCB)
PB drive board (PBDB)
Clamp alignment motor
(M21)
PB control board (PBCB)
PB drive board (PBDB)
Clamp motor (M22)
PB control board (PBCB)
PB drive board (PBDB)
Clamp rotation motor (M23)
PB control board (PBCB)
PB drive board (PBDB)
Glue tank movement motor
(M31)
PB control board (PBCB)
PB drive board (PBDB)
Glue apply roller motor
(M32)