Ricoh MP C307 Field Service Manual page 526

Electrical Component Defects
No. Sensor Name/
Sensor Board Name
S31 ADF Registration Sensor
TH1 Pressure Roller Thermistor
(Edge:Rear)
TH2 Pressure Roller Thermistor
(Center)
TH3 Pressure Roller Thermistor
(Edge:Front)
TH4 Image Creation
Temperature Sensor
TH5 Fusing Thermistor (NC
sensor)
SW4 Right Cover Switch
SW5 Tray Set Switch
SW6 Waste Toner Bottle Set
Switch
Fuse Location
100V (Mainly NA)
Fuse Connector (Out)
Name
FU1 CN611-1 (24V)
FU2 CN610-1 (24VL)
FU3 CN610-2 (24VL_LPS)
FU4 CN611-3 (24V_LPS)
520
Active CN No./
Pin No.
L CN404/28
A CN525/23
A CN525/21
A CN525/25
A CN526/4
A CN525/27
L CN559/19
L CN543/15
L CN535/1
Capacity Voltage
10A 250V
10A 250V
4A 250V
4A 250V
Condition
Open Jam P
Shorted
Open SC571
Shorted
Open SC561
Shorted
Open SC591
Shorted
Open SC497
Shorted
Open SC581
Shorted
Open "Cover closed" cannot be
detected.
Shorted "Open Cover" cannot be detected.
Open Paper tray cannot be detected.
Shorted Paper tray is detected when the
paper tray is not set.
Open Waste toner bottle cannot be
detected.
Shorted Waste toner bottle is detected
when the waste toner bottle is not
set.
Part No. Part Name
11071393 51MS(P)-100H
GF-009
11071393 51MS(P)-100H
GF-009
11071360 SCT4A
11071393 51MS(P)-100H
GF-009
Symptom
Replaceable
No
No
No
No