Ar- Ar- Ar- C100 C150 C250 - Sharp AR-C150 Service Manual

ADJ M21
Transfer belt level adjustment
(Transfer belt traveling adjustment)
This adjustment must be performed in the following cases:
•
When the transfer belt section is disassembled.
•
When the transfer belt swings.
•
When the density of yellow on the front frame side is too low.
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 ad-
just.
It is fixed at the center normally.
ADJ M22
Fusing pressure adjustment (Except
for the AR-C250)
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 × 11) paper.
2) With the document cover open, press the start key of
monochrome copy.
3) A copy of black background is made.
4) Pull out the transfer section.
5) Insert paper into the pre-transfer paper guide, and turn the fusing
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 glittering
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 Model
AR-C100
AR-C150
AR-C250
LR = LF
If the above condition is not satisfied, perform the following proce-
dure.
9) Turn the pressure adjustment screw on the front and the rear
frame sides of the fusing unit to adjust the fusing pressure.
(AR-C100/C150)
Adjustment wrench (UKOG-0282FCZZ) (Required for the AR-
C100/C150)
7 – 34
Japan Except Japan
5.5 – 6.0 mm 5.5 – 6.0 mm
5.5 – 6.0 mm 5.5 – 6.0 mm
6.0 – 7.0 mm 6.5 – 7.5 mm
LR
L (Center)
LF