Interlock Safety Circuit - Panasonic UF-585 Service Manual

Panasonic UF-585 / 595

6.2.12 Interlock Safety Circuit

This safety circuit turns OFF the +24 VDC supply voltages when the Printer Cover is opened. When the Printer Cover is opened,
the microswitch(es) on the ILS PC Board are de-actuated, turning OFF +24 VDC to the Printer Drive Circuit, the High Voltage
Power Supply, and the Paper Feed Solenoid Circuits, turning OFF the +5 VDC supply voltage for the Laser Driver circuits, on the
Laser Unit.
+24V
LVPS
216
+24V
Rush Current
Protection Circuit
pMPOW
DC/DC
Converter
(LPC PCB)
Interlock Safety Circuit Block Diagram
+24V
+24VD
+24VM
Printer Motor
+24VM
High Voltage
Power Supply Unit
+24VM
Paper Feed Solenoid
+24VM
L+5V
Printer
Cover
ILS PCB
Laser Unit