Positive Width Adjustment; Negative Width Adjustment - Sharp AR-FN8 Service Manual

CHAPTER 7 TROUBLESHOOTING
A3 LD sheet
Insert direction
Figure 7-107
5) Open the inlet cover and insert two sheets
of paper. Push them in by hand until the
leading edge of the sheets butt against the
paper positioning plate.
6) Close the inlet door.
7) Press SW2 on the saddle stitcher control-
ler PCB.
• The saddle stitcher unit stitches the sheets,
then folds and delivers the stack automati-
cally.
8) Measure the distance (L) between the
stitching position and the folding position.
Then, perform "positive width adjustment"
or "negative width adjustment" to suit the
relationship between the stitching position
and folding position.
• If the stitching position is below the fold-
ing position, perform "positive width ad-
justment."
• If the stitching position is above the fold-
ing position, perform "negative width ad-
justment."
7-4
Mark

Positive Width Adjustment

Mark
L
Unit mm
Example) if L is 1 mm, set to 1 mm .

Negative Width Adjustment

Mark
L
Unit mm
Example) if L is 1 mm, set to -1 mm .
Figure 7-108
Folding position
Stitching position
Stitching position
Folding position