Ricoh G104 - Page 112

ELECTRICAL COMPONENT DEFECTS
G104 4-28 SM
No.
Sensor Name/
Sensor Board Name
Active
CN No./
Pin No.
Condition
Symptom
Open Paper jam is not detected even
if there is a paper
17 Duplex Jam Sensor 2 L CN213/3
Short Paper jam is detected even if
the there is no paper.
Open Paper is not detected on the
by-pass tray
18
By-pass Paper
Detection Sensor
L CN211/22
Shorted Paper is detected even if there
is no paper on the by-pass
tray.
Open
19
By-pass Paper Size
Sensor
L
CN211/17
CN211/16
CN211/20
CN211/19
Shorted
Paper size error
Open
20 Inverter Sensor L CN211/2
Shorted
Paper jam Z
Open
21 Fusing Exit Sensor L CN210/13
Shorted
Paper Jam A
Open The paper overflow message
is not displayed even when a
paper overflow condition
exists, causing paper jam.
22
Paper Overflow
Sensor
L CN210/10
Shorted The paper overflow message
is displayed.
Open
23 Paper Exit Sensor L CN210/7
Shorted
Paper Jam A
Open
24 ID Sensors A CN209
Shorted
SC400/418
Open
25 Fusing Thermistor A CN209/1
Shorted
SC541
Open
26 Fusing Set Sensor
L
L
CN209/3
CN209/4
Shorted
“Reset Fusing Unit correctly” is
displayed.
Open “Close Top Cover” is
displayed.
27 Top Cover Sensor H CN208/2
Shorted The top cover open cannot be
detected.
Open
28
LDU Shutter Sensor
H CN207/17
Shorted
SC270
Open
29 Registration Sensor L CN207/14
Shorted
Paper Jam A
Open Always, small paper is detects,
causing printing speed down.
30 Paper Width Sensor H CN207/11
Shorted Small paper size does not
detect.
Open
31
Paper Height Sensor
1/2
H
CN207/5
CN207/8
Shorted
Remaining paper volume is
wrong on Web Image Monitor.
Open The paper end detects even if
paper is placed in the paper
tray.
32 Paper End Sensor H CN2072
Shorted The paper end does not detect
even if there is no paper in the
paper tray, causing paper jam.
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CÓPIA NÃO CONTROLADA