MX-5500N, MX-6200N, MX-7000N (serv.man72). Installation Manual-Main Unit - Sharp Copying Equipment Service Manual (repair manual). Page 18

MX-7000N  MX-5500N/6200N/7000N  1 – 18

3)

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

4)

Press [FACTORY] key, and press [EXECUTE] key.

The copy color balance adjustment is automatically executed
and prints the color balance check patch image.

5)

Press [OK] key.

Note:
Do not cancel the simulation until "PLEASE QUIT THIS
MODE" is displayed.

6)

Check the color balance and density.
Check to insure that the printed color balance check patch
image is within the following specifications.

The print density must be changed gradually from the lighter
level to the darker level. The density changing direction must
not be reversed.
The density level of each color must be almost at the same
level.
Patch B may not be copied.
Patch A must not be copied.

• The copy color balance adjustment must have been completed

properly.

• Be sure to use the specified paper for color.

b. Adjustment procedure
1)

Enter the SIM 67-24 mode.

2)

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

SIMULATION NO.46-24

TEST

ENGINE HALFTONE AUTO ADJUSTMENT

PLEASE SELECT THE MODE (FACTORY) OR (SERVICE) AND PLACE

THE PRINTED TEST PATCH ON DOCUMENT GLASS THEN PRESS [EXECUTE].

*LIGHT AREA AT LEFT SIDE ON DOCUMENT GLASS.

,

SERVICE

FACTORY

EXECUTE

CLOSE

SIMULATION NO. 46-24

TEST

ENGINE HALFTONE AUTO ADJUSTMENT

OK

CONFIRM THE ADJUSTED PATCH AND PRESS [OK] TO REGISTER THIS PATCH DATA

,PRESS [REPEAT] TO CONTINUE THIS PROCEDURE.

REPEAT

CLOSE

SIMULATION NO. 46-24

TEST

ENGINE HALFTONE AUTO ADJUSTMENT

CLOSE

COMPLETED THIS PROCEDURE.

PLEASE QUIT THIS MODE.

C

Y

High density

Low density

Fig. 1 PG image

Max

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

M

Bk

1) The max. density

section is not blurred.

3) Patch for each of C, M, Y, BK

The patch density is identical between patches or not reversed.
The patch density is changed gradually.

2) Patch C or D of each of Y, C, M,

and BK is very slightly copied.

Patch A of each of Y, M,
C, and BK are not copied.

SIMULATION NO.67-24

TEST

PRINTER ENGINE HALFTONE AUTO ADJUSTMENT MODE

EXECUTE

CLOSE

PRESS [EXECUTE] TO PROCON EXECUTION AND PRINT THE TEST PATCH.

(PLEASE USE SPECIFIED TYPE OF A3 OR 11" 17" SIZE PAPER

FOR THIS ADJUSTMENT)