AR-C330 (serv.man5). ARC330-Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 119

AR-C330  SETTING AND ADJUSTMENTS  7 - 40

1) Enter the SIM 41-2 mode.

2) Make the sensor adjustment without an original.

With the original cover open and without an original on the
original table, press the [EXECUTE] key.

3) Place A3 (11 x 17) document on the document table and press

the [EXECUTE] key.

Install the adjustment plate so that the projection of the plate
comes to the center of the scribe line.

This adjustment must be performed in the following cases:

• When the operation panel is replaced.

• When a U2 trouble occurs.

• When the PCU main PWB is replaced.

• When the EEPROM of the PCU main PWB is replaced.

1) Enter the SIM 65-1 mode.

2) Touch the four cross marks on the display.

When the crosses are touched correctly, they turn gray. When
all the four crosses are touched, the touch panel adjustment is
completed and the display shows the simulation sub code
entering screen.

If there is any abnormality, the first display is shown again.

∗

When touching the crosses, never use a needle or a pin with a
sharp point.

This adjustment must be performed in the following cases:

When the transfer belt section is disassembled. 

1) Make a copy of gray half tone on the whole surface, and check

for a color balance difference between the front and the rear
sides. Check that there is no difference in the color balance of
the front side and the rear side.

2) If there is a color balance difference between the front and the

rear sides, change the height of the level adjustment angle to
adjust.

It is fixed at the center normally.

32 ± 0.5mm

Original detection arm unit

Table glass

Original cover switch actuator

Actuator adjustment screw

Weight detection of ON 
becomes heavier.

Adjustment plate

Weight detection of ON
becomes lighter