7.5. ELECTRICAL COMPONENT DEFECTS
7.5.1. Defective Sensor Table
Sensor
Symptoms if Defective
Document sensor
"CLEAR ORIGINAL" or "DIAL FAX NO" is
displayed at power-up.
"SET DOCUMENT" is still displayed after a
document is placed in the feeder.
Scan line sensor
"CLEAR ORIGINAL" is displayed at power-
up.
"CLEAR ORIGINAL" is displayed soon after
the start of copying.
Interlock switches
There is no alarm on opening the cover,
and "CLOSE COVER" is not displayed.
"CLOSE COVER" is displayed at power-up.
Registration sensor
Fusing exit sensor
"CLEAR COPY" is displayed at power-up.
"CLEAR COPY" is displayed soon after the
start of copying.
Toner end sensor
Toner end is not indicated.
Paper end sensor - Standard paper tray
The Add Paper indicator lights even if paper
is remaining.
The Add Paper indicator does not light
when the paper has run out.
July 30th, 1996
TROUBLESHOOTING
ELECTRICAL COMPONENT DEFECTS
7-29