Sharp MX-4100N Service Manual page 74

ADJ 13
RSPF/DSPF parallelism
adjustment
<Flow chart>
Start of the
adjustment
Check section A.
The section
Is
No
A is lowered
there a resist-
ance?
too much.
Yes
Adjust hinge D
until there is a
resistance in
section A.
(Counter-
clockwise)
Turn the hinge
D to lift the
RSPF so that
there is a
resistance in
the section A.
(Clockwise)
13-A
1) Make an RSPF height adjustment sheet
Cut copy paper in the longitudinal direction.
20mm
2) Perform the adjustment according to the flowchart below.
<Work procedure>
a) Check section A.
Place the RSPF height adjustment sheet between section A
and the SPF glass height adjustment resin surface (a), and
close the RSPF unit.
Slowly pull out the RSPF height adjustment sheet.
Check to insure that a slight resistance is felt when pulling out
the RSPF height adjustment sheet.
Be careful not to cover the convex section of the glass
*
holding resin surface with the height adjustment sheet.
b) If it cannot be pulled out, turn the section D clockwise and
adjust in order to lift the RSPF unit.
If it can be pulled out without resistance, turn the section D
counterclockwise and adjust in order to move down the RSPF
unit.
MX-5001N ADJUSTMENTS 5 – 32
RSPF height adjustment
D
A4/Letter size
A
a