Service manual

Component
(Symbol)
CN Condition
Symptom
Main SW turns on Ready condition
Duplex
turn gate
(duplex
machine
only) (S23)
111-B5
Open
"Paper jam E"
indicator starts
blinking.
----
Shorted "Paper jam E" indicator starts blinking.
Duplex
paper end
(duplex
machine
only) (S24)
111-B4
Open ----
When multi duplex
copies are made,
paper jam should be
accessed in duplex
tray.
Shorted ----
Jogger
H.P.
(duplex
machine
only) (S25)
111-B6
Open ----
"SC#82" is displayed
when copies are
made in duplex
mode.
Shorted ----
LCT paper
end (LCT
machine
only) (S26)
105-B12
Open
When LCT is selected "Paper end" indicator
does not light even though paper is empty
Shorted Tray goes down even if paper is not empty.
LCT lower
limit (LCT
machine
only) (S27)
105-B17
Open
Tray does not go
down even if tray
down switch is
pressed.
Tray does not go
down even though
paper is empty in the
LCT.
Shorted
"SC#46" is displayed after tray goes down.
LCT upper
limit (LCT
machine
only) (S28)
105-B18
Open After tray goes down, tray does not lift up.
Shorted "SC#46" is displayed after tray lifts up.
Rev. 10/92
≤0.8 V
ô2.4 V
≥2.4 V
â0.8 V
ô2.4 V
≤0.5 V
≥0.9 Vcc
≤0.5 V
≥0.9 Vcc
≥0.9 Vcc
≤0.5 V
≥2.4 V
≤0.8 V
FT5733/5433 6-40 FSM