Canon iR2020 Series Portable Manual page 28

Chapter 5
Symbol
<Printer unit>
20
Name
H3 Reader heater (left) NPN
H4 Reader heater (right) NPN
H3
Symbol Name
H1 Fixing main heater
H2 Fixing sub heater
H6 Cassette heater
VA1 Varistor
SP1 Speaker
Symbol
Fixing film unit
H1,H2 FM2-3346(120V)
FM2-3353(230V)
H6 FK2-1146(100V)
FK2-1088(230V)
Symbol Part No.
VA1 FH5-3543
SP1 FK2-1265
T-5-16
Part No.
Prevents dew condensation on the ADF
reading glass.
Prevents dew condensation on the
copyboard glass.
H4
F-5-8
T-5-17
Function
Used as the main heater for fixing.
Used as the sub heater for fixing.
Prevents paper in the cassette from absorbing moisture.
Used as a varistor.
Used as a speaker (for fax unit).
T-5-18
Part No.
T-5-19
Modem PCB
J1203
H1, H2
SP1
VA1
H6
F-5-9
Function