Ricoh FT3320 Service Training Manual page 227

DEFECTIVE SENSOR/SWITCH TABLE
Name
Symbol
Pulse Generator Open
Sensor
Toner End
S2
Sensor
Manual Feed
S3
Sensor
Image Density
Sensor
S5 Paper End
Sensor
Registration
S6
Sensor
Problem
Condition
Self-diagnostic code "E6"
lights. "
Same as "Open" condition.
Short
The CPU will not detect
Open
toner end in toner end
condition.
Same as "Open" condition.
Short
The copier will not shift to
Open
the manual feed mode
when the manual feed
table is opened.
"Manual Feed" indicator
Short
lights even when the
manual feed table is
closed.
Image density indicator
Open
blinks (image density
senso'r abnormal) and the
copier shifts to the fixed
toner supply mode.
Same as "Open" condition.
Short
"Load Paper" indicator
Open
lights even when paper is
present.
"Load Paper" indicator will
Short
not light even when paper
is not present.
Paper always jams at the
Open
registration roller.
"Check Paper Path"
Short
indicator lights when the
main switch is turned on.
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