(Right side)
Item
Symbol
Signal name
20
PW7750
21
PW7751
Name
Type
Transmission PCB
PW7750
Receiver PCB
PW7751
4-8
21
20
Function
Detects the toner remaining
level in the Toner Cartridge.
(Throws the light)
Detects the toner remaining
level in the Toner Cartridge.
(Receives the light
K115sm4e1.doc