MX-6201N, MX-7001N (serv.man18). ADJUSTMENTS SECTION - Sharp Copying Equipment Service Manual (repair manual). Page 15

MX-7001N  ADJUSTMENTS  6 – 15

5)

Check that the inside dimension of the printed half tone is 240
± 0.5mm.

If the above condition is not satisfied, execute the procedures
below.

6)

Change the set value of set item A.
When the set value is changed by 1, the dimension is changed
by 0.1mm.
When the set value is increased, the BK image magnification
ratio in the main scanning direction is increased. When the set
value is decreased, the BK image magnification ratio in the
main scanning direction is decreased.

Repeat procedures 2) – 6) until a satisfactory result is obtained.

 

This adjustment must be executed in the following cases:
* When the LSU is replaced or removed.
* When “ADJ 10 Print engine image magnification ratio adjustment

(BK) (Main scanning direction) (Print engine section) (Manual
adjustment)” is performed.

* When a paper tray is replaced.
* When the paper tray section is disassembled.
* When the manual feed tray is replaced.
* When the manual feed tray is disassembled.
* When the duplex section is disassembled.
* When the duplex section is installed or replaced.
* When the large capacity paper feed tray is installed or replaced.
* When the large capacity paper feed tray section is disassembled.
* When the regist roller section is disassembled.
* When U2 trouble occurs.
* When the PCU PWB is replaced.
* When EEPROM on the PCU PWB is replaced.
(Caution)
Before execution of this adjustment, check the following item.
* Check to insure that the Print engine image magnification ratio

adjustment (BK) (Main scanning direction) (Print engine section)
(Manual adjustment) has been properly adjusted.

1)

Enter SIM50-10 mode.

2)

Select set item J with the scroll key and enter the value corre-
sponding to the paper feed tray to be adjusted.

A

BK-MAG

Main scan print 
magnification ratio BK

60 – 140

100

B

MFT

Print off-center adjustment 
value (Manual feed tray)

1 – 99

50

C

CS1

Print off-center adjustment 
value (Paper feed tray 1)

1 – 99

50

D

CS2

Print off-center adjustment 
value (Paper feed tray 2)

1 – 99

50

E

CS3

Print off-center adjustment 
value (Paper feed tray 3)

1 – 99

50

F

CS4

Print off-center adjustment 
value (Paper feed tray 4)

1 – 99

50

G LCC

Print off-center adjustment 
value (LCC)

1 – 99

50

H

ADU

Print off-center adjustment 
value (ADU)
Note: Before execution of 
this adjustment, check to 
insure that the adjustment 
items A – G have been 
properly adjusted. If not, 
this adjustment cannot be 
made properly.

1 – 99

50

I

MULTI COUNT

Print quantity

1 – 999

1

A : 100

;

BK-MAG

B : 50

;

MFT

C : 50

;

CS1

D : 50

;

CS2

A:

SIMULATION NO.50-10

PAPER CENTER OFFSET SETUP

XXX

XXX

60

140

OK

TEST

CLOSE

E : 50

;

CS3

F : 50

;

CS4

G : 50

;

LCC

H : 50

;

ADU

I :

1

;

MULTICOUNT

J :

2

;

PAPER : CS1

K :

1

;

DUPLEX : NO

EXECUTE

A : 50

;

BK-MAG

B : 50

;

MFT

C : 50

;

CS1

D : 50

;

CS2

A:

SIMULATION NO.50-10

PAPER CENTER OFFSET SETUP

60

140

OK

TEST

CLOSE

E : 50

;

CS3

F : 50

;

CS4

G : 50

;

LCC

H : 50

;

ADU

I :

1

;

MULTICOUNT

J :

2

;

PAPER : CS1

K :

1

;

DUPLEX : NO

EXECUTE

End of print

EXECUTE

10-key

EXECUTE