Electrical Component Defects; Defective Sensor Table - Ricoh FAX550 Service Manual

TROUBLESHOOTING

ELECTRICAL COMPONENT DEFECTS

6.4. ELECTRICAL COMPONENT DEFECTS

6.4.1. Defective Sensor Table

Sensor
Document sensor
Scan line sensor
Trailing edge sensor
Paper end sensor
Printer jam sensor
Cutter sensor
Cover sensor
There are no service-replaceable fuses, so there is no blown fuse table.
Symptoms if Defective
"TRANSMIT DIAL" is displayed at power-
up.
"READY SET DOCUMENT" is still
displayed after a document is placed in the
feeder.
"CLEAR ORIGINAL" is displayed at power-
up.
"CLEAR ORIGINAL" is displayed soon after
the start of copying.
Copying a multipage original takes a slightly
longer than usual.
The Replace Paper indicator lights even if
paper is remaining.
The Replace Paper indicator does not light
when the paper has run out.
No paper cycle at power-up, and "CLEAR
COPY" is displayed soon after the start of
copying.
"CLEAR COPY" is displayed at power-up.
Sensor initialization problems occur at
power-up.
Cutter operation errors occur.
Copy jam is detected during cutting.
There is no alarm on opening the cover.
"CLOSE COVER" is displayed at power-up.
6-13
November 30th, 1991
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