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2KN/2KP
1-3-46
U132
Replenishing toner forcibly
Description
Replenishes toner forcibly until the toner sensor output value reaches the toner feed start level.
Purpose
Used when the toner empty is detected frequently.
Method
1. Press the start key. The screen for executing is displayed.
2. Select INPUT and press the start key. Operation starts, and the current data is displayed.
Toner is replenished until the toner sensor output value reaches the toner feed start level.
3. To stop operation, press the stop/clear key.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
U135
Checking toner motor operation
Description
Drives toner motor.
Description
To check the operation of toner motor.
Remarks
When driving the toner motor long time or several times, developing section becomes the toner full and is
locked.
Method
1. Press the start key. The screen for executing is displayed.
2. Press TONER MOT on the touch panel. It is displayed in reverse and the operation starts.
3. To stop the operation, press the stop/clear key.
Completion
Press the stop/clear key after operation stops. The screen for selecting a maintenance item No. is displayed.
U137
Checking the toner level detection sensor
Description
Displays the detection status of the toner level detection sensor and toner container.
Purpose
To check the toner level in the developing unit and toner container.
Method
1. Press the start key.
A list of switches, the on-off status of which can be checked, are displayed.
2. Turn each switch on and off manually to check the status.
When the on-status of a sensor is detected, that sensor is displayed in reverse.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Maintenance
item No.
Description
Display
Description
DLP SENS
Developing sensor (DEVS)
CONT SENS
Toner container sensor (TCS)
CONT SET SW
Toner container detection switch (TCDSW)
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
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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 ...
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