AR-C270 (serv.man8). (Section 7) Settings Adjustments M1-M7 - Sharp Copying Equipment Service Manual (repair manual). Page 7

5) Enter the SIM 61-4 mode.

6) Select A3 (11 

×

 17) paper and press the [EXECUTE] key. Paper is

selected by the set item B.
The check pattern is printed.

∗

Use the paper tray at the bottom.

7) Check that the center shift between the Y/M/C print color patterns

is within 0 

±

 1 step.

(Check the shift between the print patterns of the same color.
Even though there is some shift between different colors, there is
no problem.)
If the above condition is not satisfied, loosen the red screw for the
holder on the front side of the chassis, and adjust the LSU adjust-
ment screw (set screw) to adjust the LSU inclination.
After completion of the adjustment, fix the holder with the red
screw.

Procedures 1) –  4) : Adjustment procedures of the black LSU

Procedures 5) –  7) : Adjustment procedures of the color LSU

Compare the positions (front-rear) of the same color print patterns.

Compare the positions (front-rear) of the same color

7 –  7