Kyocera TASKalfa 3050ci Service Manual page 162

Item No.
U091 How to view test copies
blank sheet
No lines
Black lines
Black lines
No lines
Setting: Threshold value setting
1. Select the item to be set.
2. Change the value using the +/- or numeric keys.
Display
Threshold(B)
Threshold
(Abnormal)
Mode
* : Normally the Threshold (Com) value should not be changed from 112, the initial setting.
If white lines appear even though the CIS roller and glass are not dirty, raise the set value.
If fine lines in some originals disappear, lower the set value.
Set within the range 50 to 200. (If set outside this range, the image may be affected.)
3. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U099 Adjusting original size detection
Description
Checks the operation of the original size detection and sets the sensing threshold value.
Purpose
Modify the threshold of detection if documents are frequently mal-detected in size after scanning
a wholly dark document or a document enclosed with dark objects on edges.
Method
1. Press the start key.
2. Select the item.
Display
Data1
B/W Level1
Data2
black band
No lines -
White lines Dirty CIS roller or CIS
glass
No lines Engine side
White lines Engine side
Description
Displaying of abnormal pixel detection
threshold value for color B
Abnormal pixel threshold value setting
Switching between white line correction
mode ON/OFF
Displaying original size detection transmission data
Setting original size detection threshold value
Displaying original size detection transmission data (when DP is installed)
1-3-68
Description
Causes
Complete
Clean CIS roller or CIS glass
and then perform U091 again
U091 ends, check engine
U091 ends, check engine
Description
2LK/2LN/2LM/2LC-2
Corrective measures
Setting Initial
range setting
0 to 1023 112
0 to 8191 75
0: OFF/ 0
1: ON/
2: Test mode