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detects the paper surface during paper
surface detection operation. 2. A
discontinuous area is detected during tray
operation. 3. During evacuation operation,
arrival at the area beyond the Tray 2
Paper Surface Sensor 2 is detected
before this Sensor detects paper surface.
Shift Motor is faulty. 3. The tray
up/down mechanism is faulty. 4. The
Tray 2 Shift Motor (M105) is faulty. 5.
The Finisher Controller PCB is faulty.
E542-
8004
The Tray 2 Shift Motor clock error
(Finisher-E1)
The FG input cannot be detected when
the Tray 2 Shift Motor has been driven for
0.2 second.
1. The Tray 2 Shift Area Sensor PCB
is faulty. 2. The wiring between the
Finisher Controller PCB and Tray 2
Shift Motor is faulty. 3. The tray
up/down mechanism is faulty. 4. The
Tray 2 Shift Motor (M105) is faulty. 5.
The Finisher Controller PCB is faulty.
E542-
8005
The Tray 2 Shift Motor speed error
(Finisher-E1)
The lock detection signal turns OFF 150
msec after the lock detection signal
turned ON.
1. The Tray 2 Shift Area Sensor PCB
is faulty. 2. The wiring between the
Finisher Controller PCB and Tray 2
Shift Motor is faulty. 3. The tray
up/down mechanism is faulty. 4. The
Tray 2 Shift Motor (M105) is faulty. 5.
The Finisher Controller PCB is faulty.
E542-
8006
The Tray 2 Shift Motor acceleration error
(Finisher-E1)
The lock detection signal does not turn
ON when the Tray 2 Shift Motor has been
driven for 1 second.
1. The Tray 2 Shift Area Sensor PCB
is faulty. 2. The wiring between the
Finisher Controller PCB and Tray 2
Shift Motor is faulty. 3. The tray
up/down mechanism is faulty. 4. The
Tray 2 Shift Motor (M105) is faulty. 5.
The Finisher Controller PCB is faulty.
E542-
8007
The Tray 2 Shift Motor error (Finisher-E1)
The lock detection signal does not turn
OFF when the Tray 2 Shift Motor is at a
stop.
1. The Tray 2 Shift Area Sensor PCB
is faulty. 2. The wiring between the
Finisher Controller PCB and Tray 2
Shift Motor is faulty. 3. The tray
up/down mechanism is faulty. 4. The
Tray 2 Shift Motor (M105) is faulty. 5.
The Finisher Controller PCB is faulty.
E551-
0011
Error in the Power Supply Fan of the
Insertion Unit
The loch signal is detected for the
specified times while the fan operates.
1. The connector of the Fan (F1) is
disconnected. 2. The wiring of the
Fan (F1) is faulty. 3. The Fan (F1) is
faulty. 4. The Insertion Unit Controller
PCB is faulty.
E551-
0021
Error in the Power Supply Fan of the
Paper Folding Unit
The loch signal is detected for the
1. The connector of the Fan (F1) is
disconnected. 2. The wiring of the
Fan (F1) is faulty. 3. The Fan (F1) is