Ricoh MP C307 - Page 524

Electrical Component Defects
518
Electrical Component Defects
Sensors
No. Sensor Name/
Sensor Board Name
Active CN No./
Pin No.
Condition Symptom
S1 Bypass Lift Sensor H CN523/11 Open SC508
Shorted
S2 By-pass Paper End Sensor L CN523/5 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 L CN523/2 Open A4/LT size is not detected.
Shorted A4/LT size is detected.
S4 Duplex Entrance Sensor L CN523/14 Open Jam Z (Jam 26)
Shorted Jam Z (Jam66)
S5 Fusing Entrance Sensor L CN523/20 Open Jam B (Jam 18)
Shorted Jam C
S6 Duplex Exit Sensor L CN523/23 Open Jam Z (Jam 25)
Shorted Jam Z
S7 Fusing Exit Sensor L CN525/8 Open Jam C (Jam 19)
Shorted Jam C
S8 Fusing Thermopile A CN525/6 Open SC541
Shorted
S9 TD Sensor (Mu ( ) Sensor)
(K)
A CN539/8 Open PCU setting Error occurs.
Shorted
S10 TD Sensor (Mu ( ) Sensor)
(C)
A CN540/8 Open PCU setting Error occurs.
Shorted
S11 TD Sensor (Mu ( ) Sensor)
(M)
A CN540/16 Open PCU setting Error occurs.
Shorted
S12 TD Sensor (Mu ( ) Sensor)
(Y)
A CN540/22 Open PCU setting Error occurs.
Shorted
S13 ID Sensor A CN555/6,7,10,11 Open SC370
Shorted
S14 ITB Contact HP Sensor L CN543/12 Open SC442
Shorted
S15 Tray Paper End Sensor L CN559/12 Open Paper end is detected when there