Ricoh JP5000 Service Manual page 142

1 July, 1998
4.2.4 LED'S
MPU
Number
LED101 Monitors the CPU operation. Usually, this LED is blinking.
LED102 Monitors power supplied to the MPU. Usually, this LED is lit.
I/O Board
Number
LED300 Not used.
LED301 Not used.
LED302 Monitors the Master Eject Sensor.
LED303 Monitors the Master Edge Sensor.
LED304 Monitors the feed control CPU operation. Usually, this LED is blinking.
LED305 Monitors power supplied to the I/O board. Usually, this LED is lit.
4.2.5 FUSES
Power Supply Unit
Fuse Rated Current
FU700 10A
FU701 5A
FU702 5A
FU703 5A
FU704 5A
Thermal Head Power Supply Board
Fuse Rated Current
FU750 2A
Main Motor Control Board
Fuse Rated Current
FUSE 10A
DIP SW, LED, VR, TP, AND FUSE TABLES
Function
Function
Power Supply Unit
Main Motor Drive Board
Main Motor Drive Board
I/O Board
Thermal Head Power Supply Board, I/O Board
Thermal Head
Main Motor
4-5
Protect
Protect
Protect