Ricoh B156 Service Manual page 203

No.
Definition
732 D Finisher shift motor error (1000-sheet finisher)
The shift motor jam is detected
consecutively twice after the shift
motor turned on.
740 D Finisher communication error
• A connection error occurs.
• The UART reports a
communication error.
• In cases other than paper transport,
after an every-3-second command
is sent, the finisher does not
respond within 5 seconds.
750 D 1st paper tray unit communication error
• A connection error occurs.
• The UART reports a
communication error.
• In cases other than paper transport,
after an every-3-second command
is sent, the paper tray unit does not
respond within 5 seconds.
770 B Shift tray unit motor error
• The machine starts. → The tray
motor operates for 2.2 seconds. →
The sensor does not detect the
operation.
• The machine is printing. → The tray
motor operates for 2.2 seconds. →
The sensor does not detect the
operation.
791 D Bridge unit error
The machine recognizes the finisher,
but does not recognize the bridge
unit.
792 D Finisher error
The machine does not recognize the
finisher, but recognizes the relay unit.
793 D Interchange unit error
The machine recognizes the duplex
unit/1-bin tray unit, but does not
recognize the interchange unit.
800 B Startup without video output end error (K)
Video transfer to the engine is
started, but a video transmission end
command is not issued by the engine
within the specified time.
SM
CÓPIA NÃO CONTROLADA
Symptom
4-13
CÓPIA NÃO CONTROLADA
Possible Cause
• Shift motor defective
• Shift HP sensor defective
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
• Defective paper tray unit control board
• Defective BICU
• Defective IOB
• Defective connection (Paper tray - main
unit)
• Defective tray motor
• Defective sensor
• Defective shift tray connector
• Defective connector
• Defective cable
• Defective connector
• Defective cable
• Incorrect installation
• Incorrect installation
• Defective connector
• Defective cable
• Defective controller board
SERVICE CALL
B156/B220