MX-C301, MX-C301W (serv.man5). Service Manual (Revised May 2016). - Sharp Copying Equipment Service Manual (repair manual). Page 108

MX-C301  ADJUSTMENTS  5 – 70

This adjustment is based on the service target color balance set
with SIM 63-7 and SIM 63-8. If, therefore, the above settings are
not properly performed, this adjustment cannot be made properly.

1)

Enter the system setting mode.

2)

Enter the copy setting mode.

3)

Press the auto color calibration key.

4)

Press [EXECUTE] key.

The color patch image (adjustment pattern) is printed out.

5)

Set the color patch image (adjustment pattern) printed in pro-
cedure 4) on the document table.

Set the patch image so that the thin line is on the left side as
shown in the figure.

At that time, place 5 sheets of white paper on the above color
patch image (adjustment pattern).

6)

Press [EXECUTE] key, and the copy color balance adjustment
is executed automatically. After completion of the adjustment,
the display returns to the original operation screen.

To execute the printer color balance adjustment successively,
perform the procedures same as the above. 

 

This simulation is used to improve the image quality in a certain
mode. (Refer to the list in procedure 6.)

1)

Enter the SIM46-54 mode.

2)

Press [EXECUTE] key.

A4/11" x 8.5" paper is automatically selected. The color patch
image (adjustment pattern) is printed.

3)

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

4)

Press [EXECUTE] key.

The color balance and the density are automatically adjusted.

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).

*1: When performing adjustments in the heavy paper mode, 

load paper in the manual paper feed tray. 

7)

Press [EXECUTE] key.

A4/11" x 8.5" paper is automatically selected.

The patch image (adjustment pattern) is printed out.

In the monochrome mode, only the monochrome pattern is
printed.

8)

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

9)

Press [EXECUTE] key.

The color balance and the density are automatically adjusted,
and the machine goes to the state of procedure 6).

To complete the adjustment and enable the adjustment result,
press [OK] key.

10) Make a copy, and check the copy image quality.

(Refer to the item of the printer color balance and density
check.)

Use SIM46-52 to reset the adjustment values to the default values.

4HIN

HEAVYPAPER*1

Copier/gamma for heavy paper

BLACK EDGE

Black edge

COLOR EDGE

Color edge

COLOR ED

Color error diffusion

B/W ED

Monochrome error diffusion

B/W 600

Monochrome dither 600dpi