Blown Fuse Table - Ricoh FT8680 Service Manual

BLOWN FUSE TABLE

2. BLOWN FUSE TABLE
Fuses provide current overload protection on some of the power supply lines.
The following table shows the machine's response to an open fuse.
Copier DC Power Supply Board
Rated
Fuse No.
Current
FU1 15A
FU2 5A
FU3 5A
DF Main PCB
Rated
Fuse No.
Current
F1 0.3A
F2 3.15A
F3 3.15A
F4 3.15A
Motor DC Drive PCB
Rated
Fuse No.
Current
F1 10A
F2 10A
F3 8A
F4 3.15A
F5 3.15A
F6 3.15A
Sorter Stapler
Rated
Fuse No.
Current
Main PCB
5A
FU100
PSU
5A
FUSE1
Voltage
Power Supply Unit
100V AC
DF, Clutches, SSR, Tray
+24V
Drive
Power Pack
+24V
Voltage
Size Detection Sensor
+12V
Feed-in Motor
+38V
Belt Motor
+38V
Inverter Motor
+38V
Voltage
Scanner Drive Motor
+38V
Main Motor
+38V
Development Motor
+38V
Lens Vertical Drive Motor
+38V
Lens Horizontal Drive Motor
+38V
Mirror Unit Drive Motor
+38V
Voltage
Staple Motor
PWM
PSU
100V AC
6-26
Protect
Protect
Protect
Protect
31 July 1995
Symptom
No Display
SC505, 508, 511
SC307, at
process control
data initialization.
White copies.
Symptom
SC701
SC700
SC701
SC702
Symptom
SC129
SC440
SC390
SC142
SC146
SC144
Symptom
SC725, SC745
SC746