MX-4100N, MX-4101N, MX-5000N, MX-5001N (serv.man13). Service Manual-Section 5-Adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 97

MX-4101N  ADJUSTMENTS  5 – 97

b. Adjustment procedures
1)

Enter the SIM67-54 mode.

2)

Press [EXECUTE] key. (A3 or 11" x 17" paper is automatically
selected.)
The color patch image (adjustment pattern) is printed out.

3)

Set the color patch image (adjustment pattern) printed in the
procedure 2) on the document table so that the thin lines on
the printed color patch image (adjustment pattern) are on the
left side. Place 5 sheets of white paper on the printed color
patch image (adjustment pattern).

4)

Press [EXECUTE] key.
The color balance adjustment is automatically performed.
The adjustment pattern is printed out. Check it for any abnor-
mality.

5)

Press [OK] key.
The list of the adjustment items (for each dither) is displayed.

6)

Select an adjustment item (for each dither).

7)

Press [EXECUTE] key. (A3 or 11" x 17" paper is automatically
selected.)
The color patch image (adjustment pattern) is printed out.

8)

Set the color patch image (adjustment pattern) printed in the
procedure 7) on the document table so that the thin lines on
the printed color patch image (adjustment pattern) are on the
left side. Place 5 sheets of white paper on the printed color
patch image (adjustment pattern).

9)

Press [EXECUTE] key.
The color balance adjustment is automatically performed, and
the color balance check patch image is printed out.

10) When [OK] key is pressed, the adjustment result is registered

and the adjustment mode is terminated. When [EXECUTE]
key is pressed, the adjustment result is registered and the
screen is shifted to the other item (Mode/Image) select menu.
To execute the adjustment of the other item (Mode/Image),
press [EXECUTE] key.
After completion of all the adjustments of the items (Mode/
Image), press [OK] key, and the adjustment results are regis-
tered.

11) Make a print, and check the print image quality.

NOTE: Use SIM67-52 to reset the adjustment values to the default

values.

 

Normally there is no need to perform this adjustment. In the follow-
ing cases, perform this adjustment.
* When a paper jam occurs in the fusing section.
* When wrinkles are made on paper in the fusing section.
* When an image deflection or an image blur is generated in the

paper rear edge section.

1)

Remove the fusing paper guide fixing screws which are on two
position in the front/rear frame direction.

2)

Insert the removed screws of the fusing paper guide into the
screw hole in the paper guide long hole section.
Loosely tighten the screws so that the paper guide can be
moved in the directions of A and B.

3)

Use the fusing paper guide position scale as the reference to
shift the paper guide in the arrow direction A or B.

The standard fixing position is the center of the marking scale.
Change the position according to the situation.
* When wrinkles are generated on paper, change the position

in the arrow direction B.

* When an image deflection or an image blur is generated in

the paper rear edge section, change the position in the
arrow direction A.
Normally, the hole on the fusing paper guide standard fixing
position is used to fix the fusing paper guide.

Heavy Paper

Adjustment item to improve the color balance in the heavy 
paper mode

1200dpi 1bit

Adjustment item to improve the color balance in 1200dpi 
mode (When 1200dpi mode is frequently used)

600dpi 1bit

Adjustment item to improve the color balance in 600dpi, 
1bit mode.

B/W

Adjustment item to improve the density and gradation in 
the monochrome mode

A

A

A

B

B

B

A

B