Ricoh IM C400F

Electrical Component Defects
D0CA/D0C9/D0C8/D0CB 6-162 SM
No. Sensor Name/
Sensor Board
Name
Activ
e
CN No./
Pin No.
Conditi
on
Symptom
image.
• SC498
S19 ADF position
sensor (S19)
L CN403/2 Open ADF open
cannot be
detected.
Shorted
S20 Scanner HP
sensor (S20)
H CN403/5 Open SC120,
SC121
Shorted
S21 CIS (S21) H CN401/1,2,3,5 Open SC154 (CIS
communicati
on error:
rear side)
Shorted
H CN401/7,8,10,11,13,14,16,17,19,20
,22,23
Open SC151
(Black level
correction
error: rear
side)
Shorted
S22 Original set
sensor (S22)
L CN404/26 Open Original set
cannot be
detected.
Shorted
S23 ADF top cover
sensor (S23)
L CN404/24 Open To p cover
open cannot
be detected.
Shorted
S24 Registration
sensor (S24)
L CN404/28 Open Jam P
Shorted
S25 Original feed
sensor (S25)
L CN404/3 Open Jam P
Shorted
S26 Waste toner bottle
set sensor (S26)
L CN535/1 Open Waste toner
bottle cannot
be detected.
Shorted Waste toner
bottle is
detected
when the
waste toner
bottle is not
set.