Ph Unit Mechanical Adjustment - Konica Minolta bizhub C353 Service Manual

14. Mechanical adjustment

14.3 PH unit mechanical adjustment

14.3.1 Skew adjustment
This adjustment must be made in the following case:
• When PH unit is replaced.
4. Touch [Service Mode] → [Imaging Process Adjustment] → [Stabilizer] → [Initialize +
Image Stabilization].
5. After image stabilization is completed, display [Service Mode] → [State Confirmation] →
[Color Regist] and check if the Step Value: X of each color C, M, Y, is within the specifi-
cation.
Specification: within ± 4
460
1. Turn ON the main power switch.
2. Select [Service Mode] → [Test
Mode] → [Gradation Pattern] and out-
put the test pattern with the following
conditions.
Conditions: SINGLE, HYPER,
3. Using the output test pattern, check
if each color of CMYK is printed in
correct pattern.
If the pattern is not correct, any trou-
bles such as connecting failure in PH
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unit of the corresponding color may
occur, which should be modified.
If there is not any problem, proceed
to step 4.
Field Service Ver. 3.0 Jan. 2008
Gradation, 4 Color
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