Electrical Component Defects
SM 6-22 D017/D018/D019/D020/D084/D085
Bridge Open Sensor
(Relay)
701-1 CKB
Open
"Open Cover" is displayed
even the cover is closed.
Shorted
"Open Cover" is not
displayed even the cover is
open.
Duplex Unit Entrance
Sensor
340-10 BCU
Open
The Paper Jam indicator will
light whenever a copy is
made.
Shorted
The Paper Jam indicator
lights even if there is no
paper.
Duplex Unit Exit
Sensor
859-1 BCU
Open
The Paper Jam indicator will
light whenever a copy is
made.
Shorted
The Paper Jam indicator
lights even if there is no
paper.
Duplex Unit Set
Sensor
859-9 BCU
Open
The Cover Open indicator is
not lit even if the right upper
cover is opened.
Shorted
The Cover Open indicator is
lit even if the right upper
cover is closed.
Exit Sensor 703-4 CKB
Open
The Paper Jam indicator will
light whenever a copy is
made.
Shorted
The Paper Jam indicator
lights even if there is no
paper.