Sharp AR-BC320, Service Manual, Page: 145 / 344

AR-BC320 SETTING AND ADJUSTMENTS 8 - 38
2) Select Mode D with the scroll key.
3) Enter a set value with the 10-key and press the [OK] key to set
the entered value.
This adjustment must be performed in the following cases:
• When the fusing section is disassembled.
• When a fusing trouble occurs.
• When wrinkles are generated on paper in the fusing section.
1) Select A4 (8.5 x 11) paper.
2) With the document cover open, press the start key of mono-
chrome copy.
3) A copy of black background is made.
4) Open the left door.
5) Insert paper into the pre-transfer paper guide, and turn the fus-
ing roller knob.
6) With the paper squeezed in the pre-transfer paper guide, wait
for about 10sec.
7) Turn the fusing roller knob to remove the paper from the fusing
section.
8) Measure the dimension (L) of the center section of the glitter-
ing line made by the fusing roller. Check that the dimension is
in the specified range.
Check that the pressure balance between the front and the
rear frame sides is proper.
Value L = About 5.5mm
If the above conditions are not satisfied, perform the following pro-
cedure.
9) Turn the pressure adjustment screw on the front and the rear
frame sides of the fusing unit to adjust the fusing pressure.
Repeat procedures 2) to 9) until the condition of procedure 8) is
satisfied.
This adjustment must be performed in the following cases:
• When the fusing section is disassembled.
• When a paper jam occurs in the fusing section.
• When wrinkles are generated on paper in the fusing section.
• When image deflection or unclear image is produced in the
paper rear edge area.
The standard fixing position is at the center. However, change the
position depending on the situations.
• When wrinkles are made on paper, shift the position upward.
• When image deflection or unclear image is produced in the
paper rear edge area, shift the position downward.
Display
Image
type
SIM 46-33 SEG
Mode D set value
Filter type
to be
selected
Descriptions
Set
value
Default
setup
D
Low lpi
images
0
Slightly
sharp 2 For high lpi images,
the filter set by SIM
46-33 SEG mode D
is automatically
selected. (Slightly
sharp 2, slightly
sharp or sharp filter)
1 1
Slightly
sharp
2
Sharp
ADJ 12 Fusing pressure adjustment
ADJ 13 Fusing paper guide position
adjustment
LR
L (Center)
LF
LR = LF