Canon imageRUNNER ADVANCE 6075 Series, Service Manual

Page: 442 / 1406

4
4
4-121
4-121
Parts Replacement and Clearning > Image Formation System > Removing the Drum Unit
Parts Replacement and Clearning > Image Formation System > Removing the Drum Unit
Replacing the Pre-exposure Plastic Film
<Preparation>
1. Open the Inner Cover. (Refer to “Removing the Primary Charging Assembly”)
2. Remove the Primary Charging Assembly. (Refer to page 4-97)
3. Remove the Pre-transfer Charging Assembly. (Refer to page 4-108)
4. Remove the Process Unit. (Refer to page 4-114)
5. Remove the Drum Cleaning Unit. (Refer to “Removing the Drum Cleaning Blade”)
<Procedure>
1) Remove the Pre-exposure Plastic Film.
2) Fit the Pre-exposure Plastic Film to the edge and lower grooves of the Drum Cleaning Unit.
F-4-148
Removing the Drum Unit
<Preparation>
1. Open the Inner Cover. (Refer to "Removing the Primary Charging Assembly")
2. Remove the Primary Charging Assembly. (Refer to page 4-97)
3. Remove the Pre-transfer Charging Assembly. (Refer to page 4-108)
4. Remove the Process Unit. (Refer to page 4-114)
5. Put paper on the Photosensitive Drum, so that it is not exposed to direct sunlight.
6. Remove the Drum Cleaning Blade. (Refer to page 4-118)
<Procedure>
CAUTION:
When handling the Process Unit and Photosensitive Drum, be sure to follow the
following points to note.
1. When removing the Process Unit, be sure to block light to the Photosensitive Drum.
Cover with the Photosensitive Drum Protection Sheet or wrap 5 or more papers
around the drum to block light.
2. Do not place the Process Unit and Photosensitive Drum in a location where is
exposed to direct rays of the sun (e.g. near the window).
3. Do not store in a location with high/low temperature/humidity, or in a location where
temperature or humidity is dramatically changed.
4. Do not store in a dusty area or in a location full of ammonia gas or organic solvent
gas.
When installing a new Photosensitive Drum, be sure to remove the Lightproof Sheet
after installing the drum to the main body. In addition, be sure to rotate the drum
counterclockwise at removal of the Lightproof Sheet. If the drum is rotated clockwise,
the Drum Cleaner Blade may be everted.