Ricoh Aficio MP C2050 Service Manual

Electrical Component Defects
D037/D038/D040/D041 8-2 SM Appendix
No.
Sensor Name/
Sensor Board Name
Active CN Condition Symptom
CMY Shorted
Open
Toner end cannot be
detected.
Sxx
Sxx
Sxx
Sxx
Toner End Sensor - K
Toner End Sensor - Y
Toner End Sensor - C
Toner End Sensor -
M
L
CN234/14,
17, 20, 23
Shorted
Toner end is detected
when there is enough
toner.
Sxx ITB Rotation Sensor H/L CN219/20
Open/
Shorted
SC443
Open Jam A1 (Jam11)
Sxx
Vertical Transport
Sensor 1
L CN219/10
Shorted Jam A1, A2 (Jam51)
Open
Paper end is not
detected when there is
no paper in the paper
tray.
Sxx
Sxx
Paper End
Sensor 1, 2
L
CN214/17,
19
Shorted
Paper end is detected
when there is paper in
the paper tray.
Open Jam Y (Jam12)
Sxx
Vertical Transport
Sensor 2
L CN219/15
Shorted Jam Y (Jam52)
Open/
Shorted
Paper size error
SWx
Tray 1 Paper Size
Switch
L
CN211/11,
12, 13, 15
Shorted
Tray 1 is detected when
tray 1 is not set.
S12
By-pass Paper Size
Sensor
L
CN221/9,
10, 12, 13
Open/
Shorted
Paper size error
Sxx By-pass Paper End L CN221/18
Open Paper on the by-pass

Ricoh Aficio MP C2050 Specifications