Ricoh G065 - 4.2 ELECTRICAL COMPONENT DEFECTS

ELECTRICAL COMPONENT DEFECTS
SM 4-15 G065
Trouble-
shooting
4.2 ELECTRICAL COMPONENT DEFECTS
4.2.1 SENSORS
Component
(Symbol)
CN Condition Symptom
Open
SC328 is displayed when the laser beam
pitch is changed.
LD Unit Home
Position (S6)
220-2
(IOB)
Shorted
SC327 is displayed when the laser beam
pitch is changed.
Open
The Add Toner indicator blinks even if there
is toner in the development unit.
Toner Density (TD)
(S7)
205-5
(IOB)
Shorted
SC390 is displayed.
Open
The Paper Jam indicator lights whenever a
print is made.
Paper Exit (S8)
203-B2
(IOB)
Shorted
The Paper Jam indicator lights even if there is
no paper.
Open
The Paper Jam indicator lights even if there is
no paper.
Registration (S9)
207-B2
(IOB)
Shorted
The Paper Jam indicator lights whenever a
print is made.
Open SC352 is displayed after printing.Image Density (ID)
(S10)
219-5
(IOB)
Shorted SC350 is displayed after printing.
Open
Add Paper is displayed even if there is paper.
If this condition occurred four times, SC501
will be displayed.
Upper Paper
Height (S11)
235-2
(PFB)
Shorted SC501 is displayed.
Open
Add Paper is displayed even if there is paper.
If this condition occurred four times, SC502
will be displayed.
Lower Paper
Height (S12)
236-2
(PFB)
Shorted SC502 is displayed.
Open
The Paper End indicator lights even if paper
is placed in the upper paper tray.
Upper Paper End
(S13)
235-8
(PFB)
Shorted
The Paper End indicator does not light even if
there is no paper in the upper paper tray.
Open
The Paper End indicator lights even if paper
is placed in the lower paper tray.
Lower Paper End
(S14)
236-8
(PFB)
Shorted
The Paper End indicator does not light even if
there is no paper in the lower paper tray.
Open
The Paper Jam indicator lights whenever a
print is made.
Upper Relay (S15)
235-5
(PFB)
Shorted
The Paper Jam indicator lights even if there is
no paper.
Open
The Paper Jam indicator lights whenever a
print is made.
Lower Relay (S16)
236-5
(PFB)
Shorted
The Paper Jam indicator lights even if there is
no paper.
Open No symptomTransfer Belt
Position (S17
203-A10
(IOB)
Shorted SC403 is displayed
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