Ricoh FT6645 Manual page 381

23 April 1993
2.2 SWITCHES
Component
By-Pass Table
(SW-1)
Front Door Safety
(SW-2)
1st Tray Set
(A095 copier only)
(SW-3)
2nd Paper Size
(SW-4)
Toner Overflow
(SW-5)
Toner Collection
Bottle Set
(SW-6)
Lower Front
Door Safety
(SW-7)
3rd Tray Set
(A095 copier only)
(SW-8)
Main
(SW-9)
Tray Down
(A096 copier only)
(SW-10)
CN No. Condition
Open
108-B11
Shorted
Open
–
Shorted
Open
407-B8
Shorted
Open
407-A2 ~ A6
Shorted
Open
412-B9
Shorted
Open
412-B7
Shorted
Open
410-1
Shorted
Open
407-B1
Shorted
Open
—
Shorted
Open
402-B14
Shorted
6-29
ELECTRICAL COMPONENT DEFECTS
Symptom
"Open the by-pass tray"
indicator is displayed even if the
by-pass tray is opened. Print
key stays red.
By-pass feed motor
continuously turns.
"Close the door" indicator lights
even if the front door is closed.
Copier does not turn off when
the front doors are open.
When the 1st tray is selected,
SC502 is displayed.
The 1st tray cannot be selected
even if the 1st tray is set in the
machine.
The CPU cannot detect proper
paper size, and misfeeds may
occur when a copy is made.
SC "Full Used Toner Bottle"
indicator lights even if the toner
bottle is not full.
SC "Full Used Toner Bottle"
indicator does not light even if
the toner bottle becomes full.
No caution is displayed on the
LCD even if the toner collection
bottle is set incorrectly.
SC343 is displayed.
Whenever paper is fed from the
tray unit, SC501 is displayed.
When the 3rd tray is selected,
SC504 is displayed.
The 3rd tray cannot be selected
even if the 3rd tray is set in the
machine.
The copier does not turn on.
The copier does not turn off.
The 3rd tray bottom plate stays
at the lowest position.
The 3rd tray bottom plate stays
at the highest position.
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