Xerox 5915, Service Manual

Page: 52 / 146

4-17 4. Optics
Section 4 Disassembly/Assembly/Adjustment
8. (Fig. 3): Move gently the Full/Half-Rate
Carriages toward their home positions by
rotating the Capstan Pulley shaft manually to
check the following:
•
The Half-Rate Carriage convex contacts
Block A’s at its front and rear.
•
Block B’s installed to the Full-Rate Carriage
contact the Left-Hand Frame at its front and
rear.
(Fig. 3)
Adjustment
Half-Rate Carriage Adjustment
1. (Fig. 4): Make the Half-Rate Carriage convex
contact (Front/Rear) Block A’s.
➀
. Loosen screws(2) for Front Capstan Pulley.
➁ . Adjust by rotating Capstan Pulley or Shaft.
NOTE :
•
Do not remove Screw for Rear
Capstan Pulley.
➂
. Tighten Screws(2).
Reference The standard tightening Torque is
0.5N
•
m(5kgf
•
cm).
(Fig. 4)
2. (Fig. 5): Remove the end play in the Drive
Shaft axis direction and tighten the screws for
the Capstan Pulley.
➀
. Insert 0.5mm Thickness Gauge between
Capstan Pulley and Bearing.
➁
. Push Capstan Pulley to front and Shaft to
rear and tighten screws(2).
(Fig. 5)
Full-Rate Carriage Adjustment
1. (Fig. 6): Make (Front/Rear) Block B’s installed
to the Carriage contact the Left-Hand
Frame.
➀
. Loosen the Carriage Wire Mounting Screw.
NOTE :
•
For the adjustment of Rear Block B,
remove the Optical Cooling Fan.
.........………………………….. (4.1.2)
➁
. Adjust by moving the Carriage.
➂
. Tighten Screw.
(Fig. 6)