U411 Adjusting The Scanner Automatically - Kyocera TASKalfa 250ci Service Manual

Maintenance
item No.
Adjusting the scanner automatically
U411
Description
Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning
sections.
Purpose
To perform automatic adjustment of various items in the scanner and the DP scanning sections.
Method
1. Press the start key.
2. Select the item. The screen for executing is displayed.
Display
SCANNER
DP(FACE UP)
DP(FACE DOWN)* Automatic adjustment in the DP scanning
*: Dual scan DP only.
Method: [SCANNER]
1. Enter the target values which are shown on the specified original (P/N: 302FZ56990) executing mainte-
nance item U425.
2. Set a specified original (P/N: 302FZ56990) on the platen.
3. Select the item.
Display
ALL
INPUT
C.A.
MTF
GAMMA
MATRIX
4. Press the start key. Auto adjustment starts.
When automatic adjustment has normally completed, [COMPLETE] is displayed. If a problem occurs
during auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and operation
stops. Should this happen, determine the details of the problem and either repeat the procedure from
the beginning, or adjust the remaining items manually by running the corresponding maintenance items.
Method: DP(FACE UP)
1. Measure the leading edge, main scanning, and auxiliary scanning of the specified original (P/N:
302AC68243) and enter the values by executing maintenance item U425.
2. Set a specified original (P/N: 302AC68243) in the DP. Cut the trailing edge of the original.
Description
Automatic adjustment in the scanner section
Automatic adjustment in the DP scanning
section (first page)
section (second page)
Description
Automatic adjustment using the platen for: original size magnification/
leading edge timing/center line, input gamma, chromatic aberration filter,
MTF filter and matrix.
Automatic adjustment using the platen for: original size magnification/
leading edge timing/center line.
Automatic adjustment using the platen for: chromatic aberration filter.
Automatic adjustment using the platen for: MTF filter.
Automatic adjustment using the platen for: input gamma.
Automatic adjustment using the platen for: matrix.
F
R
Description
74 ± 1 mm
Figure 1-3-26
2JZ/2JX/2JV/2H7
Original to be used for
adjustment (P/N)
302FZ56990
302AC68243
302AC68243/303JX57010/
303JX57020
5 mm
149 ± 1 mm
1-3-111