Brother HL-2600CN Service Manual page 56

<Structure of the OPC Belt>
The OPC belt consists of a surface layer having a photoconductor (OPC) of organic
material, the inner layer of an insulator material (PET / Mylar) and an aluminum deposit
layer in between. The OPC belt is located as shown in Fig.4-5 as the main part of the
print system.
OPC Belt
Transfer Drum
OPC Belt Cartridge
K
Y
M
C
Fig.4-5
Electrode
Fig.4-6
IV-5
Toner Cartridge
Scanner Unit
Photoconductor(OPC)
Aluminum deposit layer
Insulator Material