Removing The Optics Wire - Konica Minolta 7020 Service Manual

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[6] Removing and Reinstalling the
Optics Drive Motor
a. Procedure
(1) Remove the original glass.
(2) Remove the 3 set screws, and remove the optical
motor.
Belt
2
(2)
(3) When reinstalling the optics drive motor, tighten the
2
screws in sequence while gently applying a load
(approximately 1 kg) to the arrow direction.
Set screws
Optical motor
(1)
(3)
[7]

Removing the Optics Wire

2
Caution1: There are two types of optics wire in
existence (the old type: with a spring, and
the new type: without a spring), so when
removing them, reference should be made
to the removal method for each type.
Caution2: When removing or reinstalling optics wires,
be sure to the use optics positioning jig.
Be sure to perform image adjustment after
replacing or reinstalling the wire. (For
details, refer to "Adjustment section".)
Caution3: When removing optics wires, the screws
shown in the figure below should absolutely
not be removed.
Screws that must not be removed
a. Procedure (Old Type: With a spring)
(1) Unfasten and remove all externals from the read unit.
(2) Shift the V mirror unit to the left side. Through the
front, insert the optics positioning jig so that it is at
the V mirror attachment location. Pass the jig
through the V mirror unit to fasten the it in place.
(3) Remove the exposure unit.
(4) Detach the springs and spring axes from the ends
of the front and rear optics wires (1 spring on each
wire), and remove the wires.
(5) Remove the set screws holding the two drive pulley
bearings in place (two screws on each pulley), and
remove the bearings.
(6) Remove the front and rear optics wires from the
drive pulleys.
Exposure unit
V mirror unit
Bearing
Optics wire (front)
Caution: Do not change the position of the paint-
locked nut on the spring shaft.
3-C-5
READ SECTION
CCD unit
Bearing
Optics wire (rear)
Nut
Drive
pulleys
Springs
/Spring axis
Nut