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MX-C401 MX-C310/MX-C311/MX-C380/MX-C381/MX-C400/MX-C401 (MAIN UNIT) 1 – 8
5)
Open the front cabinet, and remove the waste toner box.
6)
Turn the LSU unit image skew adjustment screw (K) to adjust.
(When Method 1 is used to check the black image for any
skew (right angle) in procedure 4 in advance)
Diagonal line C is longer than diagonal line D:
Turn the adjustment screw clockwise.
Diagonal line C is shorter than diagonal line D:
Turn the adjustment screw counterclockwise.
(When Method 2 is used to check the black image for any
skew (right angle) in procedure 4 in advance)
When the image is skewed in the arrow direction A, turn the
adjustment screw clockwise (a). When the image is skewed in
the arrow direction B, turn the adjustment screw counterclock-
wise (b).
(When Method 1 is used to check the black image for any
skew (right angle) in procedure 4 in advance)
Diagonal line C is longer than diagonal line D:
Turn the adjustment screw clockwise.
Diagonal line C is shorter than diagonal line D:
Turn the adjustment screw counterclockwise.
(When Method 2 is used to check the black image for any
skew (right angle) in procedure 4 in advance)
When the image is skewed in the arrow direction A, turn the
adjustment screw clockwise (a). When the image is skewed in
the arrow direction B, turn the adjustment screw counterclock-
wise (b).
7)
Install the waste toner box, and close the front cabinet.
8)
Perform the procedures 3) - 4).
(Perform the procedures 3) - 8) until a satisfactory result is obtained.)
(Perform the procedures 3) - 8) until a satisfactory result is obtained.)
9)
Enter the SIM50-22 mode to select the adjustment item of ALL, and press [EXECUTE] key.
The image registration adjustment is automatically performed and the adjustment data are displayed. Write down the display contents of
SKEW C, M, and Y.
The image registration adjustment is automatically performed and the adjustment data are displayed. Write down the display contents of
SKEW C, M, and Y.
10) Turn the image skew adjustment screw of the target color to adjust.
* When "R" is displayed in front of the value of SKEW, turn the skew adjustment screw (LSU) clockwise (a) by the number (angle).
* When "L" is displayed in front of the value of SKEW, turn the skew adjustment screw (LSU) counterclockwise (b) by the number (angle).
* When "L" is displayed in front of the value of SKEW, turn the skew adjustment screw (LSU) counterclockwise (b) by the number (angle).
11) Enter the SIM61-4 mode and perform the procedures of 2) - 3).
Check the printed color image skew pattern.
In each Y/M/C color print pattern printed separately in the F side and in the R side, note the same print color pattern and check to confirm
that the front frame side and the rear frame side are in the same condition.
that the front frame side and the rear frame side are in the same condition.
K
b
a
A-sub
B-sub
A-main
B-main
The sub scan rough adjustment color image shifts
on the R side and the F side are in the same balance
both in the rough adjustment check section and
the fine adjustment check section
on the R side and the F side are in the same balance
both in the rough adjustment check section and
the fine adjustment check section
F side
R side
Color image shift check
section (Rough adjustment)
section (Rough adjustment)
C (Image shift fine adjustment reference frame)
Color image shift check
scale (Fine adjustment)
scale (Fine adjustment)
A-main: Main scan rough adjustment pattern
A-sub: Sub scan rough adjustment pattern
B-main: Main scan fine adjustment scale
B-sub: Sub scan fine adjustment scale
C: Main scan sub scan fine adjustment pattern
A-sub: Sub scan rough adjustment pattern
B-main: Main scan fine adjustment scale
B-sub: Sub scan fine adjustment scale
C: Main scan sub scan fine adjustment pattern
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