Ricoh FT4227 Manual page 617

ELECTRICAL COMPONENT DEFECTS
Component
LCT cover -2
(SW15)
Tray down
(SW16)
4.3 FUSES
Component
F1 (125V/10A)
(DC Power Supply Board)
F2 (125V/6.3A)
(DC Power Supply Board)
F3 (125V/6.3A)
(DC Power Supply Board)
F4 (125V/6.3A)
(DC Power Supply Board)
F1 (125V/10A)
(Main Motor Control Board)
F1 (125V/15A)
(Power Code Terminal)
CN No. Condition
Open
105-A5
Shorted
Open
105-B6
Shorted
Open
105-A8
Shorted
Condition
The copier does not turn on when the main
Open
switch is turned on.
"C-5" is displayed first then "SC#2A" is
Open displayed depending on the 3rd scanner
position when the main switch is turned on.
"Paper jam A" indicator starts blinking when
copies are made.
Open
"SC#61" is displayed when copier starts idling
or during the copy cycle.
"SC#21" or "SC#22" is displayed depending on
Open
the 1st scanner position.
"SC#61" is displayed when copier starts idling
Open or during the copy cycle. "Paper jam A"
indicator starts blinking when copies are made.
The copier does not turn on when the main
Open
switch is turned on.
6-42
12 February 1992
Symptom
The tray does not go down even
if the tray down switch is pressed.
After 30 seconds, "SC#46" is
displayed.
The tray goes down continuously.
•
During the copier runs, the
"Paper end" indicator lights
and the tray goes down even
if paper there is still.
•
After loading paper, the tray
does not go up and "SC#46"
is displayed.
The tray goes up continuously.
The tray does not go down and
LED does not light even if the tray
down switch is pressed.
Symptom