MX-6201N, MX-7001N (serv.man18). ADJUSTMENTS SECTION - Sharp Copying Equipment Service Manual (repair manual). Page 2

MX-7001N  ADJUSTMENTS  6 – 2

 

This adjustment must be executed in the following cases:
* When the developing unit is disassembled. 
* When the print image density is low.
* When there is a blur on the print image. 
* When there is unevenness in the print image density.
* There is abnormally much toner dispersion.
1)

Remove the developing unit from the main unit, and remove
the developing unit upper cover and the developing doctor
cover.

2)

Loosen the developing doctor fixing screw.

3)

Insert a thickness gauge of 0.40mm between 40mm – 70mm
from the edge of the developing doctor.

4)

Push the developing doctor in the arrow direction, and tighten
the fixing screw of the developing doctor. (Perform the similar
procedure for the front frame and the rear frame.)

ADJ 22

Copy color balance/density adjustment

22I

Gamma/density adjustment in the text image edge section (Normally not required)

46-27

22J

Copy color balance adjustment (Single color copy mode) (Normally not required)

46-25

22K

Auto color balance adjustment by the user (Copy color balance auto adjustment 
ENABLE setting and adjustment)

26-53

22L

Background process condition setting in the color auto copy mode

46-33

22M

Color document identification level (ACS operation) setting

46-33

ADJ 23

Printer color balance/density 
adjustment

23A

Printer color balance adjustment (Auto adjustment)

67-24/44-26

23B

Printer color balance adjustment (Manual adjustment)

67-25/44-26/
67-27/67-28

23C

Auto color balance adjustment by the user (Printer color balance auto adjustment 
ENABLE setting and adjustment)

26-54

ADJ 24

Fusing paper guide position adjustment

ADJ 25

Document size sensor adjustment

25A

Document size sensor detection point adjustment

41-1

25B

Document size sensor sensitivity adjustment

41-2

ADJ 26

Manual paper feed tray paper size (width) sensor adjustment

40-2

ADJ 27

DSPF paper feed tray paper size (width) sensor adjustment

53-6

ADJ 28

Touch panel coordinate setting

65-1

ADJ 29

Image loss, void area, image off-
center, image magnification ratio auto 
adjustment with SIM50-28

29A

Print image main scanning direction image magnification ratio automatic adjustment

50-28

29B

Image off-center automatic adjustment

50-28

29C

Copy lead edge image reference position adjustment, image off-center, sub scanning 
direction image magnification ratio automatic adjustment

50-28

29D

DSPF mode auto void adjustment (Service installation adjustment)

50-28

ADJ 30

Shading adjustment

63-2