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2KN/2KP
1-3-40
U099
Adjusting original size detection
Description
Checks the operation of the original size detection sensor and sets the sensing threshold value.
Purpose
To adjust the sensitiveness of the sensor and size judgement time if the original size detection sensor mal-
functions frequently due to incident light or the like.
Start
1. Press the start key. The screen for selecting an item is displayed.
2. Select an item and press the start key. The screen for executing each item is displayed.
Method to display the data for the sensor
1. Press the start key. The detection sensor transmission data is displayed.
2. To return to the screen for selecting an item, press the stop/clear key.
Setting
1. Select an item to be set.
*Time from activation of the original detection switch (ODSW) to original size judgment
Method to set the original size judgment time
1. Adjust the preset value using the * or # keys.
A larger value increases the original size judgment time, and a smaller value decreases it.
2. Press the start key. The value is set.
3. To return to the screen for selecting an item, press the stop/clear key.
Completion
Press the stop/clear key at the screen for selecting an item. The screen for maintenance item No. is dis-
played.
Maintenance
item No.
Description
Display
Description
DATA
Displaying detection sensor transmission data
B/W LEVEL
Setting detection sensor threshold value
Setting original size judgment time
Display
Description
TAIL EDGE POSI
Detected original trailing position
ORIGINAL AREA
Original size detection
SIZE
Detected original size
Display
Setting
Setting
range
Default
setting
ORIGINAL
Original threshold value
0 to 255
72
LIGHT SOURCE
Light source threshold value
0 to 255
72
WAIT TIME
Original size judgment time*
0 to 255
150
A4R AREA
Original size detection position display (mm)
220/240
240
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 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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