Ricoh C211 Service Manual page 207

1. ELECTRICAL COMPONENT TROUBLE
Component
Condition
Phenomenon
10A Fuse
Open
Machine does not work. (No indicators on the
(Power Supply PCB)
operation panel turn on.)
2.5 A Fuse
Open
Cover open indicator blinks when the main switch
(AC Drive PCB)
is turned on.
+24 v (CN51 ()-1 on
No output
Buzzer sounds and the machine does not work.
Power Supply PCB)
+24 V (CN504-1 on Nothing happens when the main switch is turned
Power Supply PCB)
on; when the Master Making key is pressed, the
No output master feed motor fails to turn on and the "CH and
%
o
0
jam indicators blink.
+24 V (CN504-2 on Nothing happens when the main switch is turned
Power Supply PCB)
on; when the Master Making key is pressed, the
No output master feed motor fails to turn on and the "C" and
+
~ jam indicators blink.
SEOH (CN503-1 on
No output
When the main switch is turned on, E04 is
Power Supply PCB)
displayed.
+12 V (CN503-2 on
No output
Machine functions are correct, but the image is
Power Supply PCB)
almost completely black.
+12 V (CN503-3 on
Counter indicator is not displayed. (Only the
Power Supply PCB) No output reduction and image mode indicators are
displayed.)
–12 V (CN503-4 on
Machine functions are correct, but the image is
Power Supply PCB)
No output
almost completely black. When the Print Start key
is pressed, the add ink indicatorsfi and 'DH
blink after 20 rotations even though ink is present.
+5 V (CN503-5 on
No output
Nothing There is no output at Pins 5 and 6,
Power Supply PCB)
happens and the drum rotates at high speed
+5 V (CN503-6 on
No output
Nothing
after the main switch is turned on.
Power Supply PCB)
happens
+12 V (CN103-2 on
Counter indicator is not displayed (Only the
Main PCB) No input
reduction and image mode indicators are
displayed.)
+5 V (CN 103-3 on
No input
No indicators turn on.
Main PCB)
–12 V (CN1 03-6 on
Machine functions are correct, but when the rint
Main PCB)
f
No input
Start key is pressed, the add ink indicators
and "D" blink after 20 rotations even though ink is
present.
1st Original Sensor
First original can be rinted correctly, but the jam
4
(VT2300/VT2500 Only)
ON condition
indicators "K and: blink during the next
(Not interrupted) master process when the ADF drive motor turns
on,
OFF condition
When the Master Making key is pressed, the jam
(Interrupted) +
indicators "A" and ~ blink.
7-1