Kyocera KM-C2520 Service Manual page 115

Maintenance
item No.
Completion
U407
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Adjusting the halftone automatically
U410
Description
Carries out processing for the data acquisition that is required in order to perform either automatic adjustment
of the halftone or the ID correction operation.
Purpose
Performed when the quality of reproduced halftones has dropped.
Method
1. Press the start key.
2. Select [Continuous Adjustment]. A test pattern on A4/11" x 8
3. Place the output test pattern as the original.
4. Press the start key. Adjustment is made (first time).
5. Select [Next Adjustment] to output a test pattern. Place the output test pattern as the original.
6. Press the start key. Adjustment is made (second time).
7. Select [End (Fixed)] to set the data.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Adjusting the scanner automatically
U411
Description
Carries out the automatic adjustment of scanner-related settings (gain adjustment, automatic adjustment of
the input start position, shading offset adjustment,
of the color differential and MTF.
Purpose
To perform automatic adjustment on the scanner after replacing the scanner PWB.
Supplement
This maintenance item is executed after executing U425 (Setting the target).
Method
1. Set the original to be used for adjustment (P/N: 302FZ56990) on the contact glass.
2. Press the start key. The item is adjusted.
Do not turn the main power switch off or open/close the cover (turning the cover switch ON/OFF) before
automatic adjustment is complete.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Description
" paper is outputted.
1/2
γ
adjustment, matrix adjustment) as well as the adjustment
2FZ/2F0/2HC-3
1-3-75