Ricoh M080 Service Manual page 105

CN Component
sensor 1
Remaining paper
14-23
sensor 2
14-27 Toner End
Switches
The "CN" numbers describe the connector number on the engine board (except for the
main switch).
CN
103-1.3 (PSU 120V)
TAB1, TAB2 (PSU
230V)
8-1
4-3
SM
Condition
Shorted
Open
Shorted
Shorted
Low
Component Condition
Open
Main
Shorted
Open
Front Cover
Safety
Shorted
Open
Rear Cover
Safety
Shorted
6-9
General Troubleshooting
Symptom
paper near-end condition properly.
The machine cannot determine the
paper near-end condition properly.
Toner near-end (toner end) is not
detected.
The add toner message is displayed.
Symptom
The machine does not turn on.
The machine does not turn off.
The Front Cover Open message
is not displayed even if the front
cover is opened.
The Front Cover Open message
is displayed even if the front
cover is closed.
The Rear Cover Open message
is not displayed even if the rear
cover or paper exit cover is
opened.
The Rear Cover Open message
is displayed even if the rear
cover or paper exit cover is
closed.
M080