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2KN/2KP
1-3-47
U147
Setting for toner applying operation
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.
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.
The mode is automatically determined when selecting 6 (MODE6).
3. Press the start key. The setting is set.
Detail for MODE
Toner applying width per A4/11 x 8 1/2
Reference: 0.78 mm=3 mg
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.
Initial setting: 500
3. Press the start key. The setting is set.
Maintenance
item No.
Description
Display
Description
MODE
Setting for toner applying operation mode
INTERVAL
Toner applying operation quantity (for continuous copying)
MODE6 DATA
Displaying toner applying operation mode when setting MODE6
INTERVAL2
Toner applying operation quantity (for intermittent copying)
Setting
Setting range
Initial setting
Toner applying operation mode
2 to 6 (MODE2 to MODE6)
6 (MODE6)
Average print cover-
age ratio (%)
MODE
0
1
2
3
4
5
6 (AUTO)
Over 0 to less than 1
OFF
2.60 mm 3.38 mm 3.90 mm 5.21 mm 7.81 mm
MODE5
Over 1 to less than 2
OFF
1.30 mm 1.82 mm 2.34 mm 3.90 mm 5.99 mm
MODE5
Over 2 to less than 3
OFF
0.78 mm 1.04 mm 1.30 mm 2.60 mm 4.16 mm
MODE4
Over 3 to less than 4
OFF
OFF
OFF
0.78 mm 1.56 mm 2.60 mm
MODE3
Over 4 to less than 5
OFF
OFF
OFF
OFF
0.78 mm 1.30 mm
MODE0
Over 5
OFF
OFF
OFF
OFF
OFF
OFF
MODE0
Display
Description
100
Executing T7 control at 100 sheet intervals
500
Executing T7 control at 500 sheet intervals
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Page 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Page 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Page 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Page 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Page 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Page 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Page 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Page 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Page 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Page 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Page 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
Page 520: ......
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