Ricoh A-C2 - Switches

19 January, 2001 ELECTRICAL COMPONENT DEFECTS
4-17
Trouble-
shooting
Component
(Symbol)
CN Condition Symptom
Lower Paper End
(S14)
236-8
(PFB)
Open The Paper End indicator lights even if paper is
placed in the lower paper tray.
Shorted The Paper End indicator does not light even if
there is no paper in the lower paper tray.
Upper Relay
(S15)
235-5
(PFB)
Open
The Paper Jam indicator will light whenever a
copy is made.
Shorted
The Paper Jam indicator lights even if there is
no paper.
Lower Relay
(S16)
236-5
(PFB)
Open The Paper Jam indicator will light whenever a
copy is made.
Shorted The Paper Jam indicator lights even if there is
no paper.
Transfer Belt
Position (S19)
203-A10
(IOB)
Open No symptom
Shorted SC403 is displayed
4.2.2 SWITCHES
Component
(Symbol)
CN Condition Symptom
Right Lower
Cover (SW1)
232-3
(PFB)
Open “Doors/Covers Open” is displayed even if the
right lower cover is closed.
Shorted The LCD goes blank when the lower cover is
opened.
Main (SW3)
102-1~4
(PSU)
107-1
Open The machine does not turn on.
Shorted The machine does not turn off.
Front Cover
Safety (SW4)
107-1
(PSU)
Open “Doors/Covers Open” is displayed even if the
front cover is closed.
Shorted “Doors/Covers” Open is not displayed even if the
front cover is opened.