(Top side)
Item
Symbol
Signal name
8
PW7758
9
PW7755
10
PW3590
11
PW11250
12
PW7757
13
PW10257
8
9
Name
LED Driver PCB
DC Driver PCB
DC Translation PCB
(DC Terminal PCB)
DC Regulator PCB
Transmission Driver PCB
(Toner Quantity Sensor
LED Driver PCB)
Driver PCB
4-4
11
12
10
Type
Function
PW7758
Driver of Pre-Transfer LED
PW7755
Driver of Motors, HVPs, Bias, Fans,
Solenoid and Clutches
PW3590-01
Junction of LED Head
PW11250
Power Supply of LCD Unit
(12VDC)
PW7757
Driver of the Transmission PCB
used for toner quantity check
PW10257
Driver of Web Motor
13
K115sm4e1.doc