Brother MFC8500 Service Manual page 98

(6) For models available with a 2nd paper cassette: Pull the 2nd cassette relay PCB bracket to
take out its harness. Remove the screw and take off the 2nd cassette relay PCB from its
bracket.
Reassembling Notes
• Before reinstalling the high-voltage power supply PCB, push in the spring with a flat screwdriver
until it snaps into place as shown below.
• Before reinstalling the high-voltage power supply PCB, check the high-voltage contacts for any
toner particles, paper dust or dirt, and clean them out.
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