MX-C301, MX-C301W (serv.man5). Service Manual (Revised May 2016). - Sharp Copying Equipment Service Manual (repair manual). Page 116

MX-C301  ADJUSTMENTS  5 – 78

 

In the user program mode, the user can execute the auto color cal-
ibration (auto adjustment of the printer color balance and density).

This adjustment is to set Enable/Disable of the above user opera-
tion with SIM 26-53.

This setting must be set to ENABLE only when the user's under-
standing on the automatic adjustment of the copy color balance
and density and the user's operational ability are judged enough to
execute the adjustment.

When set to enable, operation procedures must be fully explained
to the user.
 

1)

Enter the SIM 26-53 mode.

2)

Select ENABLE or DISABLE with 10-key.

When disabling, set to "0" (NO). When enabling, set to "1"
(Yes).

3)

Press [OK] key.

When set to DISABLE, the menu of the user auto color calibration
(automatic adjustment of printer color balance and density) is not
displayed in the user program mode.

This adjustment is based on the service target color balance set
with SIM 67-27 or SIM 67-28. If, therefore, the above settings are
not properly performed, this adjustment cannot be made properly.

1)

Enter the system setting mode.

2)

Enter the printer 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 printer color balance adjust-
ment is executed automatically. 

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

 

This adjustment must be performed in the following cases:

* The operation panel has been replaced.

* U2 trouble has occurred.

* The SCN PWB has been replaced.

* The EEPROM on the scanner control PWB has been replaced.

1)

Enter the SIM 65-1 mode.

2)

Precisely press the cross mark points (4 positions).

When the cross mark is pressed precisely, a buzzer sounds
and the display is reversed. When all the four points are
pressed and the touch panel adjustment is completed, the dis-
play returns to the simulation sub number entry screen.

In case of an error, the display returns to the entry screen
again.

Check to confirm that there is no shift between the display
frame and the detection position when the touch panel is
pressed.

* When pressing the touch panel, never use a sharp tip (such

as a needle or a pin).

OK

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