Canon imageRUNNER ADVANCE C7580i II Advance Maintenance Manual page 11

iRADV C7580i/C7570i/C7565i Advance Maintenance Guide
Procedure
12
M6
Clean the Black and
Color Drum and
Developer areas
*Step M6 and M7 should be
done at the same time. The
Black Drum and ITB need to be
13
removed for better access to
the Patch Sensors
14
Detail & Action
Clean
<Black>
<Color>
Note
Clean
 Point:
Clean any toner or debris found around:
1. Drum Potential Sensor, Thermopile and
Thermistor area
2. Drum Cleaning Pre-Exposure LED
If there is excess toner in these areas, please
inspect the Black Drum and Developer Units
thoroughly to determine the cause.
Also check
3. Ensure BK Developer bias contacts is in
correct position (see pic below)
Clean
 Point:
Clean
Inspect / Clean the following:
1. Drums – Check the entire surface for wear /
damage and remove any debris that may be
stuck on the edges of the Drum. If the Drum is
not being cleaned properly, remove and
inspect the Cleaning Assembly.
Catch Tray under Black Drum ( see pic below)
2. Developing Assembly – Inspect Mylar Seals
Clean
and clean any excess toner from the Toner
Collecting Sheet and Bias Roller
Check the ends of Dev. Cylinder for signs of
depletion.
Time
Clean Toner
Toner catch tray
Clean
4
min
Clean
10
Clean
min
1
min
Clean
5-10
min