Ricoh D129 - Switches

Electrical Component Defects
SM 6-75 D129/D130
Trouble-
shooting
Component
(Symbol)
CN Condition Symptom
Platen Cover 318-5 (SIO)
Open
APS and ARE do not function
properly.
Shorted No symptom.
Original Length 1
313-2
(SIO)
Open/
Shorted
CPU cannot detect the original
size properly. APS and ARE do
not function correctly.
Original Length 2
313-8
(SIO)
Open/
Shorted
CPU cannot detect the original
size properly. APS and ARE do
not function correctly.
6.2.2 SWITCHES
Component
(Symbol)
CN Condition Symptom
Right Door
221-B10
(IOB)
Open
"Open Cover" is displayed even if
the right door is closed.
Shorted
The LCD goes blank when the
right door is opened.
Main Power
903-1,2
(PSU)
Open The machine does not turn on.
Shorted The machine does not turn off.
Interlock
913-1,2
(PSU)
Open
"Doors/Covers Open" is displayed
even if the front or right door is
closed.
Shorted
The LCD goes blank when the
front or right door is opened.