MX-6201N, MX-7001N (serv.man18). ADJUSTMENTS SECTION - Sharp Copying Equipment Service Manual (repair manual). Page 18

MX-7001N  ADJUSTMENTS  6 – 18

2)

Select the paper feed tray with A3 (11 x 17) paper in it by
changing the value of set item H.

3)

Press [EXECUTE] key.
The image registration adjustment pattern in the main scan-
ning direction is printed.

A: Rough adjustment pattern
B: Fine adjustment pattern
C: Adjustment range (0 

± 1)

4)

Check the rough adjustment and the fine adjustment print pat-
tern positions of each color in the front frame and the rear
frame sides.
Use the visually highest color density section as the center,
and measure the shift amount.
The front frame registration and the rear frame registration are
adjusted independently.
To check the image registration, therefore, check the front
frame side and the rear frame side individually.

(If the fine adjustment print pattern is located in the range of 0
± 1 from the fine adjustment reference pattern scale, the
adjustment is not required.)
If the above condition is not satisfied, select the color mode
adjustment item A – F to be adjusted with the scroll key and
change the adjustment value to adjust.

Repeat procedures 3) – 4) until a satisfactory result is
obtained.
For measurement of the shift amount and the calculation of the
adjustment value, refer to the table below.

㪝㩷㫊㫀㪻㪼㩷㫄㪸㫉㫂

A

㪩㩷㫊㫀㪻㪼㩷㫄㪸㫉㫂

A

A

A

A

A

C

C

C

C

C

C

B

B

Rough adjustment 
print pattern 
check:

Check that the rough adjustment print pattern is at 
the center for the rough adjustment reference 
pattern.

Fine adjustment 
print pattern 
check:

Check that the fine adjustment print pattern is at the 
center for the fine adjustment reference pattern.

A

CYAN 
(FRONT)

Image registration adjustment 
value (Main scanning 
direction) (Cyan) (F side)

1 – 199

100

B

CYAN 
(REAR)

Image registration adjustment 
value (Main scanning 
direction) (Cyan) (R side)

1 – 199

100

C

MAGENTA 
(FRONT)

Image registration adjustment 
value (Main scanning 
direction) (Magenta) (F side)

1 – 199

100

D

MAGENTA 
(REAR)

Image registration adjustment 
value (Main scanning 
direction) (Magenta) (R side)

1 – 199

100

E

YELLOW 
(FRONT)

Image registration adjustment 
value (Main scanning 
direction) (Yellow) (F side)

1 – 199

100

F

YELLOW 
(REAR)

Image registration adjustment 
value (Main scanning 
direction) (Yellow) (R side)

1 – 199

100