CHAPTER 2 NEW FUNCTIONS2-134 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 20018.5 Disassembly/AssemblyThe mechanical characteristics of the machine are as described herein; disassemble/as-semble the machine as instructed and with the following in mind:1. Before starting any disassembly/assembly work, turn off the main power switch,and disconnect the power plug.2. Unless otherwise specifically instructed, assemble the machine by reversing the stepsused to disassemble it.3. Identify the screws by type (length, diameter) and location.4. To protect against static charge, one of the mounting screws of the rear cover comeswith a toothed washer. Be sure not to leave out the washer when assembling the ma-chine.5. To ensure electrical continuity, the mounting screw for the grounding wire and the varis-tor comes with a washer. Be sure not to leave out the washer when assembling the ma-chine.6. As a rule, do not operate the machine with any of its parts removed.7. When sliding out the duplex feeder unit or the fixing assembly, be sure to turn off thefront cover switch or the power switch.