MX-M850 (serv.man36). Section 6 Adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 11

MX-M1100  ADJUSTMENTS  6 – 11

5)

Open the front cabinet. Remove the toner bottle unit.

6)

Remove the the process cover.

7)

Loosen the fixing screw of the print image distortion adjust-
ment cam. Adjust the angle of the print image distortion adjust-
ment cam to set the print image distortion to the minimum.

When the vertical line image is tilted to the left with the front
frame side as the reference, turn the print image distortion
adjustment cam clockwise to change the angle. 
When the vertical line image is tilted to the right with the front
frame side as the reference, turn the print image distortion
adjustment cam counterclockwise to change the angle. 
Repeat steps 3 to 7 until an acceptable result is obtained.

 

This adjustment is needed in the following situations:
* LSU (write) unit has been replaced.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
1)

Enter the Sim.50-10 mode. 

2)

Select A4 (11 

✕ 8.5) paper.

3)

Press [EXECUTE] key.
The check pattern is printed out.

4)

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

If the above requirement is not met, do the following steps.

5)

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 main scanning direction 
image magnification ratio in the main scanning direction is
increased. When the set value is decreased, the mian scan-
ning direction image magnification ratio in the main scanning
direction is decreased.
Repeat procedures 3 thru 5 until a satisfactory result is
obtained.

A㧦100

㧧

BK-MAG

B㧦 50

㧧

CS1

C㧦 50

㧧

CS2

D㧦 50

㧧

CS3

0

A:

SIMULATION NO.50㧙10

PAPER CENTER OFFSET SETUP

100

㨇

60㨪 140 㨉

OK

TEST

CLOSE

E㧦 50

㧧

CS4

F㧦 50

㧧

ADU

G㧦 50

㧧

MFT

H㧦 50

㧧

LCC

I㧦 1

㧧

MULTICOUNT

J㧦 2

㧧

PAPER㧦CS1

K㧦 1

㧧

DUPLEX㧦NO

EXECUTE