Ricoh AFICIO MP C305SP - Electrical Component Defects; Sensors

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