2KN/2KP
1-3-43
U102
Setting the cleaning interval for the main charger
Description
Executes a cleaning operation for the main charger and changes the intervals at which the main charger is
cleaned.
Purpose
To check the cleaning operation for the main charger. Also to change the intervals for the operation.
Making the intervals longer decreases the stand-by time when starting copying.
Potential compensation is automatically performed after a cleaning operation end.
Method
Press the start key. The screen for selecting an item is displayed.
Setting: main charger cleaning operation intervals
1. Change the setting using the * or # keys.
Setting range: 0 to 20 (unit: 1,000 sheets)
Initial setting: 5
If you select MC TEST RUN, the main charger cleaning operation will be performed once.
2. Press the start key. The value is set.
Setting: main charger cleaning operation start timing
1. Press ON/OFF on the touch panel of the screen for selecting an item.
2. Select 0 (OFF) or 1 (ON). The selected item is displayed in reverse.
Initial setting: OFF
If ON is selected, when the preset number of sheets for charger cleaning operation intervals is
exceeded during copying, the copier stops copying temporarily and starts charger cleaning operation.
If OFF is selected, when the preset number of sheets for charger cleaning operation is exceeded during
copying, the copier continues copying to the end and then starts charger cleaning operation.
3. Press the start key. The value is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
U103
Setting the surface potential
Description
Adjusts the laser output power.
Purpose
Performed when the quality of dots, lines or low density has dropped.
Method
Press the start key. The screen for adjustment is displayed.
Setting
1. Change the setting using the cursor up/down keys.
A larger preset value causes dots and lines to be clearly large and thick and the reference density to be
darker.
Press the start key. The setting is set, and the screen for selecting a maintenance item No. is displayed.
Completion
To exit this maintenance item without changing the current setting, press the stop/clear key.
The screen for selecting a maintenance item No. is displayed.
Maintenance
item No.
Description
Display
Description
MC ADJUST DATA
Main charger cleaning operation intervals
MC TEST RUN
Main charger cleaning operation ON
ON/OFF
Main charger cleaning operation start timing
Setting
Setting range
Initial setting
Setting the LSU laser output
0 to 2
0
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: ......
Page 521: ......