III. DISASSEMBLY AND ASSEMBLYThis section explains mechanical characteristics and describes how todisassemble/assemble the machine.Be sure to observe the following when disassembling/assembling the machine:1. Disconnect the power plug before starting the work.2. Unless otherwise shown, assemble the parts by reversing the steps given todisassemble them.3. Identify each screw by type (length, diameter) and location.4. A washer is used for one of the mounting screws on the rear cover to protect againststatic electricity; be sure to use the washer when assembling the part.5. A washer is used for some mounting screws (for grounding wire, varistor) to ensurecorrect electrical continuity; be sure to use the washer when assembling the part.6. As a rule, do not operate the machine while any of its parts are removed.7. When sliding out the duplexing unit or the fixing assembly, be sure to turn off the frontdoor switch or the power switch.A. Scanning Lamp1. Removing the Scanning Lamp1) Remove the copyboard glass retainer, and remove the copyboard glass.2) Move the No. 1 mirror mount to the center.3) Remove the two mounting screws q, and remove the reflecting shade w and thesupport plate e.Figure 4-301q qw eCOPYRIGHT © 1997 CANON INC. CANON NP6045 REV. 1 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 4 IMAGE FORMATION SYSTEM4-36!
