Brother MFC-9420CN Service Manual page 182

Sequence of Assembling
(1) Remove the tension release pins from both sides of the new OPC belt cartridge.
(2) Remove the protective sheet from the new OPC belt cartridge. Do not touch the green part
of the OPC belt cartridge.
(3) Put the new OPC belt cartridge into the machine guides with the flat side facing you.
OPC belt cartridge
Belt tension release pin
Fig. 6-5
Fig. 6-6
Fig. 6-7
6 -7
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Belt tension release pin
Protective sheet
Confidential