Kyocera KM-C2520 Service Manual page 30

2FZ/2F0/2HC-3
Adjusting the image.
1. Open the main power switch cover and turn the main power switch on.
2. Output status report
Enter the maintenance mode by entering 10871087 using the numeric keys.
Use the numeric keys to enter 000 and press the start key.
Select [MAINTENANCE].
Press the start key. A status report is output.
3. Printing half-toned color test patterns
Load the cassette with a sheet of A3 or 11" x 17" paper.
Enter 089 using the numeric keys and press the start key.
Select [GRAY] on the touch panel and press the interrupt key.
Press the Full-Color key and select [Mono color] at Color func.(Colour func.) screen.
Select [Cyan], [Magenta] or [Yellow].
Press the start key. The gray test pattern of cyan/magenta/yellow is output.
Press the Black&White key.
Press the start key. The gray test pattern of black is output.
4. Enter 001 using the numeric keys to exit the maintenance mode.
If horizontal white streaks are noticeable on the gray images described in line with the paper feeding direction
with the width of approximately 20 mm, proceed to the drum refreshing.
If horizontal white streaks are not noticeable, proceed to step 6.
5. Performing drum refreshing
Press the System Menu/Counter key and select [User Adjustment].
Select [Drum Refresh] and press [On] to begin drum refreshing.
When drum refreshing is complete, output a gray image pattern in step 3 and check the horizontal white stripe
image in step 4. If an image quality problem is noticed, perform drum refreshing again. When no problem is
noticed, proceed to step 6.
6. Performing color registration (see page 1-3-117)
Press the System Menu/Counter key and select [User Adjustment].
Select [Color Regist (Colour Regist)] and press [PRT Chart].
Select [Input Reg. value] and enter the values for magenta/cyan/yellow.
Select Completed and perform color registration.
7. Adjusting the halftone automatically (maintenance item U410)
Enter the maintenance mode by entering 10871087 using the numeric keys.
Enter 410 using the numeric keys and press the start key.
Select [Continuous Adjustment] to print a test pattern.
Use the test pattern printed as the original and press the start key to adjust automatically.
Place about 20 sheets of blank papers on a test pattern.
Select [Next Adjustment] to output a test pattern.
Use the test pattern printed as the original and press the start key to adjust automatically.
Place about 20 sheets of blank papers on a test pattern.
Select [End (Fixed)] to set the data.
8. Enter 001 using the numeric keys to exit the maintenance mode.
When image quality is unsatisfiable after test copying, execute Color Calibration (see page 1-3-117) under
User Adjustment, then retry U410-Adjusting the halftone automatically.
Completion of the machine installation.
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