III. DISASSEMBLY AND ASSEMBLYHere, the copier is discussed in terms of its mechanical characteristics and operationand how to disassemble and assemble it.Be sure to observe the following for disassembly/assembly work:1. Disconnect the power plug for safety before starting disassembly/assemblywork.2. Unless otherwise noted, assemble the parts by reversing the steps used todisassemble them.3. Identify the screws by type (length, diacmeter) and location.4. One of the mounting screws of the rear cover is provided with a toothed washer toprotect against static electricity. Do not leave it out during assembly work.5. The screws used for grounding wires and varistors are provided with a toothedwasher to ensure electrical continuity. Do not leave them out during assembly work.6. As a rule, do not operate the machine with any of its parts removed.7. Before sliding out the duplexing unit or the fixing assembly, check to make sure thatthe front door switch or the power switch is off.8. Do NOT throw the toner into fire; it can explode.A. Scanning Lamp Assembly1. Removing the Scanning Lamp1) Remove the copyboard glass retainer, and remove the copyboard glass.2) Move the No. 1 mirror mount to the center.!!COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 4 IMAGE FORMATION SYSTEM4-39
