Kyocera TASKalfa 620 Service Manual page 85

Maintenance
item No.
Setting for toner applying operation
U147
Description
Sets the mode for removing charged toner in the developer unit (T7 control: Toner applying operation).
Purpose
There is no necessity of changing the setting as for initial setting for factory default setting is automatic mode.
However, the original whose always print coverage ratio is low (reference: less than 2%) it outputs in large
quantities, setting in MODE5 fixed possibility.
If the charged toner stays inside the development unit, density decreases.
The number of MODE becomes large, so that the amount of removal toner increases.
Start
Press the start key. The screen for selecting an item is displayed.
Display
MODE
INTERVAL
MODE6 DATA
INTERVAL2
Method: Toner applying operation mode
1. Select MODE at the screen for selecting an item.
2. Change the setting using the cursor up/down keys.
Setting
Toner applying operation mode
The mode is automatically determined when selecting 6 (MODE6).
3. Press the start key. The setting is set.
Detail for MODE
Average print cover-
age ratio (%)
Over 0 to less than 1
Over 1 to less than 2
Over 2 to less than 3
Over 3 to less than 4
Over 4 to less than 5
Over 5
When selecting 6 (MODE6), the first 10k controls by MODE3, and MODE0 to MODE5 is automatically
set up according to the average of print coverage ratio of every 10k after it.
In accordance with the average print coverage ratio of 500, toner placing width of the execution time of
T7 control is decided.
Method: Toner applying operation quantity (for intermittent copying)
1. Select INTERVAL2 at the screen for selecting an item.
2. Change the setting using the cursor up/down keys.
Display
100
500
Initial setting: 500
3. Press the start key. The setting is set.
Description
Description
Setting for toner applying operation mode
Toner applying operation quantity (for continuous copying)
Displaying toner applying operation mode when setting MODE6
Toner applying operation quantity (for intermittent copying)
Setting range
2 to 6 (MODE2 to MODE6)
Toner applying width per A4/11 x 8 1/2
0 1 2
OFF 2.60 mm 3.38 mm 3.90 mm 5.21 mm 7.81 mm
OFF 1.30 mm 1.82 mm 2.34 mm 3.90 mm 5.99 mm
OFF 0.78 mm 1.04 mm 1.30 mm 2.60 mm 4.16 mm
OFF OFF OFF
OFF OFF OFF
OFF OFF OFF
Description
Executing T7 control at 100 sheet intervals
Executing T7 control at 500 sheet intervals
Initial setting
6 (MODE6)
MODE
3 4
0.78 mm 1.56 mm 2.60 mm
OFF 0.78 mm 1.30 mm
OFF OFF OFF
Reference: 0.78 mm=3 mg
2KN/2KP
5 6 (AUTO)
MODE5
MODE5
MODE4
MODE3
MODE0
MODE0
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