2-12
12H-M12M0-0309-0
2-3. Other Condition Messages
When covers are open or when folding plates are not set, the control panel display shows the conditions of the unit.
The DF-920 LCD shows the error messages on the second line, while DF-915 shows at the 7-segment window on the
left and right sides.
In some cases, if the message and actual condition differ such as when “TOP COVER OPEN” is displayed despite the
cover being closed, other errors may be suspected. The following table shows details.
LCD
(DF-920)
Description
TOP COVER OPEN
SIDE COVER OPEN
DELIVERY COVER
F.PLAT-1 SET ERR
F.PLAT-2 SET ERR
7-segment window
(DF-915)
The contact of the top cover switch is open.
<Causes>
The top cover is not closed completely.
The top cover switch is not secured properly.
The top cover switch is broken or has malfunctioned.
Faulty connection between the top cover switch and MC unit
(Disconnection of bundled wires, improper insertion of
connectors)
Malfunction of the MC unit
The contact of the side cover switch is open. (DF-920 only)
<Causes>
The side cover is not closed completely.
The side cover switch is not secured properly.
Malfunction of the side cover switch
Faulty connection between the side cover switch and MC unit
(Disconnection of bundled wires, improper insertion of
connectors)
Malfunction of the MC unit
The paper ejection cover sensor is OFF. (DF-920 only)
∗ This message is normally displayed when the start key or test
key is pressed with the paper ejection cover open. It is not
displayed at the instant the paper ejection cover is open.
<Causes>
The paper ejection cover is not closed completely.
The paper ejection cover sensor is not secured properly.
Malfunction of the paper ejection cover sensor
Faulty connection between the paper ejection cover sensor
and MC unit
(Disconnection of bundled wires, improper insertion of
connectors)
Malfunction of the MC unit
The contact of the folding plate 1 set switch is open.
<Causes>
The folding plate 1 is not set properly.
The folding plate 1 set switch is not secured properly.
Malfunction of the folding plate 1 set switch
Faulty connection between the folding plate 1 set switch and
MC unit
(Disconnection of bundled wires, improper insertion of
connectors)
Malfunction of the MC unit
The contact of the folding plate 2 set switch is open.
<Causes>
The folding plate 2 is not set properly.
The folding plate 2 set switch is not secured properly.
Malfunction of the folding plate 2 set switch
Faulty connection between the folding plate 2 set switch and
MC unit
(Disconnection of bundled wires, improper insertion of
connectors)
Malfunction of the MC unit
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