CHAPTER 6 FIXING SYSTEM

II. DISASSEMBLY AND ASSEMBLY

This section explains mechanical characteristics and describes how to disassemble/assemble the machine.

Be sure to observe the following whenever disassemblig/assembling the machine:

1.! Disconnect the power plug before starting the work.

2.Unless otherwise shown, assemble the parts by reversing the steps given to disassemble 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 against static 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 ensure correct 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 front door switch or the power switch.

A. Fixing Assembly

1. Construction1

q we r

t yu

 

q Drive roller

t Fixing cleaning roller

w Cleaning brush

y Lower fixing roller

e Fixing film

u Fixing heater

r Tension roller

 

Figure 6-201

Caution:

The fixing film is made of special material; do not touch it or soil it.

If you must replace the upper fixing unit, replace it on a unit basis in the field and

leave component replacement to the workshop.

COPYRIGHT © 1997 CANON INC.

CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

6-11

Page 177
Image 177
Canon FY8-13EX-000, NP6218 service manual II. Disassembly and Assembly, Fixing Assembly, Construction1