Ricoh G179 - 4.13 ELECTRICAL COMPONENT DEFECTS

Electrical Component Defects
G179 4-42 SM
4.13 ELECTRICAL COMPONENT DEFECTS
4.13.1 SENSORS
Component
(Symbol)
CN Condition Symptom
Open
CPU cannot detect paper even if a
sheet of paper remains at the
fusing unit.
Fusing Entrance (S8) 208-8 (IOB)
Shorted
CPU detects paper even if a sheet
of paper does not remain at the
fusing unit.
Open SC350 is displayed after printing.
ID (Image Density)
(S9)
208-11 (IOB)
Shorted SC351 is displayed after printing.
Open
CPU detects web end even if the
web is not used up.
Web End (S10) 208-16 (IOB)
Shorted
CPU cannot detect web end even if
the web is used up.
Open
The add toner indicator blinks even
if there is toner in the development
unit.
TD (Toner Density)
(S11)
213-14 (IOB)
Shorted SC390 is displayed.
Open
CPU cannot detect toner overflow
even if the waste toner bottle in the
transfer belt unit is full.
Toner Overflow (S13) 217-B15 (IOB)
Shorted
CPU detects toner overflow even if
the waste toner bottle in the
transfer belt unit is not full.
Duplex Entrance 217-A8 (IOB) Open Jam Z (Jam 26/27)
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA