Sharp AR-BC320, Service Manual, Page: 146 / 344

AR-BC320 SETTING AND ADJUSTMENTS 8 - 39
This adjustment must be performed in the following cases:
• When the original size sensor section is disassembled.
• When the original size sensor section 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 41-1 mode.
Gradually tilt the original detection arm unit. Loosen the origi-
nal cover switch actuator adjustment screw so that the high-
light display of OCSW is turned to the normal display when the
height of the arm unit top from the table glass is 32 ± 0.5mm.
Slide the actuator to adjust. (If the ON timing of the original
cover switch is shifted, the original detection function may mal-
function.)
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.
This adjustment must be performed in the following cases:
• When the manual paper feed tray section is disassembled.
• When the manual paper feed tray unit is replaced.
• When a U2 trouble occurs.
• When the PCU PWB is replaced.
• When the EEPROM of the PCU PWB is replaced.
1) Enter the SIM 40-2 mode.
2) Set the manual paper feed guide to the maximum position.
3) Press the [EXECUTE] key.
The [EXECUTE] key is highlighted. Then it returns to the nor-
mal display. The manual paper feed guide maximum width
position detection level is recognized.
4) Set the manual paper feed guide to A4 (11 x 8.5") size width.
5) Press the [EXECUTE] key.
The [EXECUTE] key is highlighted. Then it returns to the nor-
mal display. The manual paper feed guide A4 (11 x 8.5") width
position detection level is recognized.
6) Set the manual paper feed guide to A4R (11 x 8.5"R) size
width.
7) Press the [EXECUTE] key.
The [EXECUTE] key is highlighted. Then it returns to the nor-
mal display. The manual paper feed guide A4R (11 x 8.5" R)
width position detection level is recognized.
8) Set the manual paper feed guide to the minimum position.
ADJ 14 Document size sensor
adjustment
ADJ 14A Original size sensor detection point
adjustment
ADJ 14B Original size sensor sensitivity
adjustment
32 5mm
+
-
Original detection
arm unit
Table glass
Original cover switch actuator
ADJ 15 Manual paper feed tray paper
size sensor adjustment
A6 A5
A5 A4
A4 A3
A3W
B5
B5
B4
5
1 /
2
7
1 /
4
11
12
8
1 /
2
A6 A5
A5 A4
A4 A3
A3W
B5
B5
B4
5
1
/
2
7
1
/
4
11
12
8
1
/
2