10 February 2005
SERVICE CALL
4-13
Trouble-
shooting
No.
Definition
Symptom Possible
Cause
Finisher shift motor error (1000-sheet finisher)
732 D
The shift motor jam is detected
consecutively twice after the shift
motor turned on.
•
Shift motor defective
•
Shift HP sensor defective
•
Defective finisher control board
•
Defective BICU
•
Defective IOB
•
Incorrect installation
Finisher communication error
740 D
•
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.
•
Defective finisher control board
•
Defective BICU
•
Defective IOB
•
Incorrect installation
1st paper tray unit communication error
750 D
•
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.
•
Defective paper tray unit control board
•
Defective BICU
•
Defective IOB
•
Defective connection (Paper tray - main
unit)
Shift tray unit motor error
770 B
•
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.
•
Defective tray motor
•
Defective sensor
•
Defective shift tray connector
Bridge unit error
791 D
The machine recognizes the finisher,
but does not recognize the bridge
unit.
•
Defective connector
•
Defective cable
Finisher error
792 D
The machine does not recognize the
finisher, but recognizes the relay unit.
•
Defective connector
•
Defective cable
•
Incorrect installation
Interchange unit error
793 D
The machine recognizes the duplex
unit/1-bin tray unit, but does not
recognize the interchange unit.
•
Incorrect installation
•
Defective connector
•
Defective cable
Startup without video output end error (K)
800 B
Video transfer to the engine is
started, but a video transmission end
command is not issued by the engine
within the specified time.
•
Defective controller board
Содержание TH-C1b
Страница 1: ...Model TH C1 Machine Code B156 B220 SERVICE MANUAL 10 February 2005 Subject of change...
Страница 95: ...SCANNER UNIT 10 February 2005 3 4 B156R999 JPG...
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