Electrical Component Defects; Sensors - Ricoh Aficio MP C305SP Field Service Manual

6. Troubleshooting

Electrical Component Defects

Sensors

Sensor Name/
No.
Sensor Board Name
By-pass Bottom Plate
S1
HP Sensor
By-pass Paper End
S2
Sensor
By-pass Paper Size
S3
Sensor
Duplex Entrance
S4
Sensor
Fusing Entrance
S5
Sensor
S6 Duplex Exit Sensor
S7 Fusing Exit Sensor
722
CN No./
Active
Pin No.
H CN523/24
H CN523/19
H CN523/16
L CN523/2
L CN523/8
L CN523/11
L CN525/15
Condition Symptom
Open
• SC508
Shorted
• Paper is detected
on the by-pass tray
Open
when no paper is
set.
• Paper is not
detected on the by-
Shorted
pass tray when
paper is set.
• A4/LT size is
Open
detected.
• A4/LT size is not
Shorted
detected.
Open • Jam Z (Jam 65)
Shorted • Jam B (Jam18)
Open • Jam B (Jam 18)
Shorted • Jam C
Open • Jam Z (Jam 25)
Shorted • Jam Z
Open • Jam C (Jam 19)
Shorted • Jam C