Canon iR7086 Series Service Manual page 492

Chapter 13
- Rub it over a width of 5 to 10 cm in drum peripheral direction.
- The drum life is not likely to be affected if the back-and-forth strokes of the lint-free paper over a single area is limited to 15 to 20 times.
5) When alcohol has evaporated, dry wipe the surface with lint-free paper. If the surface cleaned with the lint-free paper is uneven, go back to step 4), and repeat
the work by increasing the number of back-and-forth stokes.
6) Rotate the drum an equivalent of the width over which its surface has been cleaned, and repeat steps 3) through 5) until the entire surface of the drum has been
cleaned.
7) Remove the cleaning blade assembly.
8) Insert a ruler [3] between the magnet roller [1] and the scraper [2]; then, move it back and forth from the rear to the front and then from the front to the rear to
break any cakes of waste toner.
9) Rotate the magnet roller [1] to see that the coating of waste toner is even.
If the following is noted, repeat step 8):
- the surface of the magnet roller is a clearly recognizable lined coating of toner.
- there are dents in parts of the surface.
- there is a cake of toner.
10) Remove the cleaning blade from the cleaning blade assembly.
11) Turn over or replace the cleaning blade [7]; then, match and butt it against the rear of the blade retaining plate [8].
13-10
5 10cm
F-13-9
[2]
[3]
[1]
[2]
F-13-10
[3]
[1]