Ricoh C226 Service Manual page 295

TROUBLESHOOTING
2.0 ELECTRICAL COMPONENT TROUBLESHOOTING
Component
10 A Fuse
(Power Supply PCB)
2.5 A Fuse
(AC Drive PCB)
+24 V (CN510-1 on
Power Supply PCB)
+24 V (CN504-1 on
Power Supply PCB)
+24 V (CN504-2 on
Power Supply PCB)
SEOH (CN503-1 on
Power Supply PCB)
+12 V (CN503-2 on
Power Supply PCB)
+12 V (CN503-3 on
Power Supply PCB)
–12 V (CN503-4 on
Power Supply PCB)
+5 V (CN503-5 on
Power Supply PCB)
+5 V (CN503-6 on
Power Supply PCB)
+12 V (CN103-2 on
Main PCB)
+5 V (CN103-3 on
Main PCB)
–12 V (CN103-6 on
Main PCB)
C226
Condition
Machine does not work. (No indicators on the
Open
operation panel turn on.)
Cover open indicator blinks when the main switch
Open
is turned on.
Buzzer sounds and the machine does not work.
No output
Nothing happens when the main switch is turned
on; when the Master Making key is pressed, the
master feed motor fails to turn on and the "C" and
No output
A
jam indicators blink.
Nothing happens when the main switch is turned
on; when the Master Making key is pressed, the
master feed motor fails to turn on and the "C" and
No output
A
jam indicators blink.
When the main switch is turned on, E04 is
No output
displayed.
Machine functions are correct, but the image is
No output
almost completely black.
Counter indicator is not displayed. (Only the
No output reduction and image mode indicators are
displayed.)
Machine functions are correct, but the image is
almost completely black. When the Print Start key
No output
is pressed, the add ink indicators
after 20 rotations even though ink is present.
Nothing
No output
happens
Nothing
No output
happens
Counter indicator is not displayed (Only the
No input reduction and image mode indicators are
displayed.)
No indicators turn on.
No input
Machine functions are correct, but when the Print
Start key is pressed, the add ink indicators
No input
and "D" blink after 20 rotations even though ink is
present.
6-10
Phenomenon
There is no output at Pins 5 and 6,
and the drum rotates at high speed
after the main switch is turned on.
03/98
>
and "D" blink
>
SM