Ricoh G091, Service Manual

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ELECTRICAL COMPONENT DEFECTS [ALL MODELS]
G112/G113/G116/G094/G095/G091 4-8 SM
4.3 ELECTRICAL COMPONENT DEFECTS [ALL
MODELS]
4.3.1 SENSORS
Component CN Condition Symptom
Paper Exit 6-B2
Open
The Paper Jam indicator will light whenever
a print is made.
Shorted
The Paper Jam indicator lights even if there
is no paper.
Paper Overflow 6-B5
Open
The paper overflow message is not
displayed even when a paper overflow
condition exists.
Shorted The paper overflow message is displayed.
Registration 16-A2
Open
The Paper Jam indicator will light whenever
a print is made.
Shorted
The Paper Jam indicator lights even if there
is no paper.
Remaining paper
sensor 1
16-A5
Open
The Paper End indicator lights even if paper
is placed in the 1st paper tray.
Shorted
The Paper End indicator does not light even
if there is no paper in the 1st paper tray.
Remaining paper
sensor 2
16-A8
Open
The machine cannot determine the paper
near-end condition properly.
Shorted
Toner End 16-A12
High Toner near-end (toner end) is not detected.
Low The add toner message is displayed.
NOTE: The CN numbers describe the connector number on the engine board.
4.3.2 SWITCHES [ALL MODELS]
Component CN Condition Symptom
Main
272-1,3
(PSU 120 V)
270-1,2
(PSU 230 V)
Open The machine does not turn on.
Shorted
The machine does not turn off.
Front Cover
Safety
9-1
Open
The Front Cover Open message is not
displayed even if the front cover is opened.
Shorted
The Front Cover Open message is
displayed even if the front cover is closed.
Rear Cover
Safety 9-3
5-3
Open
The Rear Cover Open message is not
displayed even if the rear cover or paper
exit cover is opened.
Shorted
The Rear Cover Open message is
displayed even if the rear cover or paper
exit cover is closed.
NOTE: The CN numbers describe the connector number on the engine board
(except for the main switch).
Rev. 10/27/2009
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA