4) While forcing the lint-free paper against the photosensitive drum, move it from the front to the rear and then from the rear to the front to wipe the drum.

- Keep the width of the cleaning movement to 5 to 10 cm.

- For a single area, the lint-free paper may be moved back and forth 15 to 20 times; a little force will not affect the life of the drum.

5) When the alcohol has completely evaporated, dry wipe the drum with lintfree paper. If the drum has been wiped unevenly, go back to step 4), and clean

once again.

6) Rotate the drum for the width of the cleaning movement to 5 to 10 cm, and repeat steps 3) through 5) until you have cleaned the entire surface of the drum.

7) Remove the cleaning blade assembly.

8) Insert a ruler [6] between the magnet roller [4] and the scraper [5], and move it back and forth from the front to the rear and then from the rear to the

front to pulverize lumps of waste toner.

9) Turn the magnetic roller [4] to make sure that the coating of waste toner is even.

If it is as follows, repeat step 8):

- The coating is uneven in the form of lines.

- The coating has dents in parts.

- The coating has clumps of toner.

[3]

CK-0429

[1]

F-13-43

5 10cm

F-13-44