Removing And Reinstalling The Exposure Unit; Removing And Reinstalling The Optics Drive Motor - Konica Minolta 7020 Service Manual

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READ SECTION
[5] Removing and Reinstalling the
Exposure Unit
Caution: Be sure that the power cord has been
unplugged from the outlet.
Caution: Be sure to the use optics positioning jig
when reinstalling the exposure unit.
Be sure to clean the original glass before
reinstalling it (to prevent degradation of
image quality).
a. Removal procedure
(1) Remove the read right cover and the original glass.
(2) Remove the operation panel, read left cover, and
read rear cover.
(3) Remove the 2 set screws, and remove the read
front cover.
(4) Shift the exposure unit to the cutout location at the
center of the main body frame.
(5) The exposure unit is fixed in place by set screws
fastened to the front and rear exposure unit mount
fittings (1 screw in each fitting). Remove the 2
screws.
Set screws
Exposure unit
mount fittings
(6) Tilt and slide the exposure unit to remove it from
the frame.
(7) Disconnect the exposure lamp connector.
b. Installation procedure
(1) Fit the exposure unit into the main body.
(2) Insert the front exposure unit mount fitting and
rear exposure unit mount fitting into the
corresponding slits in the exposure unit.
(3) Shift the V mirror unit to the exit side. Through the
front, insert the two optics positioning jigs so that
they are at the installation location for the exposure
unit. Pass the jig through the V mirror unit to fasten
it in place.
Position the exposure unit by pushing it against the
frame on the right side of the unit.
1
Optics
positioning
jigs
Exposure unit
(4) Fasten the front and rear exposure unit mount
fittings into place (1 screw in each fitting).
(5) Remove the optics positioning jigs.
(6) Finish installation by reversing the sequence of the
removal procedure.
3-C-4
Exposure unit
V mirror unit
Exposure unit
mount fitting
(front)
Exposure unit
mount fitting
(rear)