Kyocera 300ci Service Manual page 168

2JZ/2JX/2JV/2H7-5
Maintenance
item No.
Adjusting the uneven density
U412
Description
Adjusts the uneven developing/transfer density in the drum axis direction by scanning directly the density dis-
tribution of test pattern with the scanner and adjusting LSU light quantity.
Purpose
To perform when replacing the drum unit or laser scanner unit.
Method
1. Press the start key.
2. Select the item. The screen for executing is displayed.
Display
Adjust Uneven Density
ON/OFF Config
Method: [Adjust Uneven Density]
1. Select [Adjust Uneven Density].
2. Select [Default Value].
A test pattern is outputted with the initial light quantity setting. (1st sheet)
3. Place approximately 20 sheets of white paper on the output test pattern and place as the original.
4. Press the start key. A test pattern is outputted. (2nd sheet)
A test pattern is outputted with light quantity setting lower than the 1st test pattern by 20%.
5. Place approximately 20 sheets of white paper on the output test pattern and place as the original.
6. Press the start key. A test pattern is outputted. (3rd sheet)
7. Place approximately 20 sheets of white paper on the output test pattern and place as the original.
8. Press the start key.
The correction result is checked. When normally completed, [COMPLETE] is displayed.
Retray (1st time)
9. If the correction is not completed normally, [Retry] is displayed and a test pattern is outputted. (4th
sheet)
A test pattern is outputted with light quantity setting lower than the 3rd test pattern by 20%.
10. Place approximately 20 sheets of white paper on the output test pattern and place as the original.
11. Press the start key. A test pattern is outputted. (5th sheet)
12. Place approximately 20 sheets of white paper on the output test pattern and place as the original.
13. Press the start key.
The correction result is checked. When normally completed, [COMPLETE] is displayed.
Retray (2nd time)
14. If the correction is not completed normally, [Retry] is displayed and a test pattern is outputted. (6th
sheet)
A test pattern is outputted with light quantity setting lower than the 5th test pattern by 20%.
15. Place approximately 20 sheets of white paper on the output test pattern and place as the original.
16. Press the start key. A test pattern is outputted. (7th sheet)
17. Place approximately 20 sheets of white paper on the output test pattern and place as the original.
18. Press the start key.
The correction result is checked. When normally completed, [COMPLETE] is displayed
If a problem occurs during auto correction, error code is displayed.
[SetDef] is displayed in case of an engine error.
Error codes
Codes
S01
S02
S03
S04
S05
1-3-122
Description
Description
Executing the uneven density correction
Uneven density correction ON/OFF setting
Description
Order error
Patch not detected
Original deviation in the main scanning direction
Original deviation in the auxiliary scanning direction Check the original
Original inclination error
Corrective measures
Check the original
Check the original
Check the original
Check the original