Xerox 5915, Service Manual

Page: 51 / 146

4-16
Section 4 Disassembly/Assembly/Adjustment
4. Optics
2. (Fig. 7): Route the ball-attached side of Cable
to the Pulley via the far left Pulley as shown in
Fig. 7, then fasten the ball into the left-hand
Frame hole.
(Fig. 7)
3. (Fig. 8): Route the ring-attached side of cable
to the Pulley via the Full-Rate Carriage and,
then hook the ring on the right-hand-Frame
spring.
(Fig. 8)
4. (Fig. 9): Finger tighten the Cable Mounting
Screw for the Full-Rate Carriage.
(Fig. 9)
5. (Fig. 10): Arrange the cable windings on
the Capstan Pulley by holding the Full-Rate
Carriage with your hand and gently moving it
right and left.
(Fig. 10)
6. Perform the Full-Rate & Half-Rate Carriage
Parallel Adjustment. ...............……...... (4.3.1)
7. Reinstall all the parts and make a copy. Check
that the copy exhibits no optical skew, etc.
4.3.1 Full-Rate & Half-Rate Carriages
Parallel Adjustment
Purpose To set the Carriages parallel so that
the Front/Rear Light Paths are the
same in length.
NOTE :
•
This adjustment should be performed
when the following problem occurs or
after the work is complete:
1. Optical Skew(Skewed image)
2. Carriage Cable Removal/Installation
(4.2.3)
Check
1. Power off the machine and disconnect the
Power Plug.
2. Remove the Platen Cover.
3. Remove the Platen Glass. ………….… (4.1.1)
4. Remove the Left Upper Cover.
5. Remove the Top Cover. …………….. (10.2.2)
6. Remove the Regi-Guide.
7. Remove the Blocks for Parallel Adjustment
from the Left-Hand Frame by moving the Full-
Rate & Half-Rate Carriages manually to the
Right.
➀
. (Fig. 1): Push Block A convex from the
frame hole and turn Block A through 180
degrees.
(Both front and rear).
(Fig. 1)
➁
. (Fig. 2): Remove Block B’s and install them
to Full-Rate Carriage front/rear.
(Fig. 2)