MX-6240N, MX-7040N (serv.man24). Section 5 Adjustments and Settings - Updated November 2012 - Sharp Copying Equipment Service Manual (repair manual). Page 19

MX-7040N  ADJUSTMENTS AND SETTINGS  5 – 19

1 scale/1 (When the set value is changed by 1, shift is made by 1
scale.)

If there is a considerable difference in color shift in the square and
at the center area, perform the adjustment.

Select an adjustment item (OFF SET X F / OFF SET X R / OFF
SET X S), and change the adjustment value to adjust.

OFF SET X F: F side main scanning direction registration offset set
value (The color shift on the F side and at the center area is
changed.)

OFF SET X D: R side main scanning direction registration offset set
value (The color shift on the R side and at the center area is
changed.)

OFF SET X S: Sub scanning direction registration offset set value
(Color is shifted to the sub scanning direction overall.)

CAUTION: When the adjustment value of OFF SET X F and OFF

SET X R are changed, the color at the center area will
be affected. Consider this when executing the adjust-
ment.

To adjust evenly overall, adjust so that the color shifts on the F side,
the R aide and at the center are of the same level.

To adjust with the center area most focused, adjust so that the color
shift at the center becomes smaller than that on the F side and the
R side.

When the offset adjustment value is 0, if the color registration
adjustment (automatic adjustment) is performed, the color shift on
the F side and that on the R side are automatically adjusted to be
smaller than that on the center area.

 

This adjustment must be performed in the following cases:

* When the scanner (reading) section is disassembled.

* When the copy image is distorted.

 

Before execution of this adjustment, remove the document table
glass.

1)

Remove the lamp unit, and then loosen the screws which are
fixing the scanner unit A and the drive wire. Release the scan-
ner unit A from the drive wire.

A

CYAN
(FRONT)

Image registration adjustment 
value (Main scanning 
direction) (Cyan) (F side)

1 - 399

200

B

CYAN
(REAR)

Image registration adjustment 
value (Main scanning 
direction) (Cyan) (R side)

1 - 399

200

C

MAGENTA
(FRONT)

Image registration adjustment 
value (Main scanning 
direction) (Magenta) (F side)

1 - 399

200

D

MAGENTA
(REAR)

Image registration adjustment 
value (Main scanning 
direction) (Magenta) (R side)

1 - 399

200

E

YELLOW
(FRONT)

Image registration adjustment 
value (Main scanning 
direction) (Yellow) (F side)

1 - 399

200

F

YELLOW
(REAR)

Image registration adjustment 
value (Main scanning 
direction) (Yellow) (R side)

1 - 399

200

G

CYAN
(SUB)

Image registration adjustment 
value (Sub scanning 
direction) (Cyan)

1 - 399

200

H

MAGENTA
(SUB)

Image registration adjustment 
value (Sub scanning 
direction) (Magenta)

1 - 399

200

I

YELLOW
(SUB)

Image registration adjustment 
value (Sub scanning 
direction) (Yellow)

1 - 399

200

J

OFFSET 
CF

Image registration offset 
adjustment value (Main 
scanning direction) (Cyan) 
(F side)

1 - 99

50

K

OFFSET 
CR

Image registration offset 
adjustment value (Main 
scanning direction) (Cyan) 
(R side)

1 - 99

50

L

OFFSET 
MF

Image registration offset 
adjustment value (Main 
scanning direction) (Magenta) 
(F side)

1 - 99

50

M

OFFSET 
MR

Image registration offset 
adjustment value (Main 
scanning direction) (Magenta) 
(R side)

1 - 99

50

N

OFFSET 
YF

Image registration offset 
adjustment value (Main 
scanning direction) (Yellow) 
(F side)

1 - 99

50

O

OFFSET 
YR

Image registration offset 
adjustment value (Main 
scanning direction) (Yellow) 
(R side)

1 - 99

50

P

OFFSET 
CS

Image registration offset 
adjustment value (Sub 
scanning direction) (Cyan)

1 - 99

50

Q

OFFSET 
MS

Image registration offset 
adjustment value (Sub 
scanning direction) (Magenta)

1 - 99

50

R

OFFSET 
YS

Image registration offset 
adjustment value (Sub 
scanning direction) (Yellow)

1 - 99

50