MX-C310, MX-C311, MX-C312, MX-C380, MX-C381, MX-C400, MX-C401 (serv.man125). Revised Service Manual. - Sharp Copying Equipment Service Manual (repair manual). Page 99

MX-C401  ADJUSTMENTS  4 – 68

Remark: 
(Descriptions on the factory service key button in the color bal-
ance automatic adjustment menu)

There are two kinds of the gamma target for the color balance
automatic adjustment: the factory target and the service target.

FACTORY key and SERVICE key are used to select one of the
above two.

Factory target color balance: Standard color balance

(The color balance can be selected from the three kinds of
fixed ones with SIM63-11.)

Service target color balance: The color balance can be cus-
tomized according to the user's request. (Variable)

When shipping from the factory, the service target gamma data
and the factory target gamma data are the same.

Both are set to the standard color balance when shipping from
the factory. For the service target, a customized color balance
gamma can be registered with SIM63-7.

5)

Press [EXECUTE] key.

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

(4.3 Inch LCD model)

(8.5/7.0 Inch LCD model)

6)

Set the color patch image (adjustment pattern) paper printed in
procedure 5) on the document table.

Set the printed color patch image (adjustment pattern) on the
document table. Place the color patch image so that the fine
lines are on the left side in the center reference. At that time,
place 5 sheets of white paper on the printed color patch image
(adjustment pattern).

7)

Select [FACTORY] target on the operation panel, and press
[EXECUTE] key.

When the color balance is customized with the manual color
balance adjustment (SIM 67-25) according to the user's
request and the color balance is registered as the service tar-
get with SIM 67-27, if the color balance is adjusted to that color
balance, select the service target.

(4.3 Inch LCD model)

(8.5/7.0 Inch LCD model)

The printer color balance adjustment (step 1) is automatically
performed and the color balance check patch image is printed
out.

If there is any streak or unclear print on the printed check pat-
tern, check the print engine for any problems.

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