7. ELECTRICAL COMPONENT DEFECTS
7.1 SENSORS
Component
(Symbol)
CN Condition
Symptom
At main sw power-up Ready condition
Bin Lift
Timing -1
(S1)
≥ 4.0 V
≤1.0 V
170-8
Open
(stays
High)
The Sorter Jam
indicator starts blinking.
The Sorter Jam
indicator starts blinking
when copies are made
in sort/stack or staple
mode.
After the sorter stapler
or front door is
opened/closed, "SC
code (721)" will be
displayed.
Shorted
(stays
Low)
Bin Lift
Timing -2
(S2)
≥ 4.0 V
≤1.0 V
170-5
Open
(stays
High)
––
Shorted
(stays
Low)
Jogger H.P.
(S3)
≤4.0 V
≥ 1.0 V
170-2
Open
(stays
High)
The Sorter Jam
indicator starts blinking.
The Sorter Jam
indicator starts blinking
when copies are made
in sort/stack or staple
mode.
After the sorter stapler
or front door is
opened/closed, "SC
code (722)" will be
displayed.
Shorted
(stays
Low)
The jogger motor keeps rotating until the Sorter
Jam indicator starts blinking.
Paper (S4)
≥ 4.0 V
≤ 1.0 V
140-5
Open
(stays
High)
–
Stapling does not occur
even though there is a
set of copies at the
stapling position.
Shorted
(stays
Low)
The Sorter Jam
indicator starts blinking.
The Sorter Jam
indicator starts blinking
when copies are made
in sort/stack or staple
mode.
FSM 10-29 FT5535/4527/4522