Service manual

Step Part No .
9
4:2
4-3
WF2.2
44
SP 2x 5
4-8
10
4· 1
,
Component
Ejection lever shaft
unit
Z-cam gear unit
Pla in washers (2)
Z·motor spacer unit
Phillips round head screw
Z-damper spring
Z-motor unit
Be PhaslI E ne rgizing
5V Black
Black
Yellow
Blull
Whitt
Rod
- 79 -
pc - um
Explanation
1. Temporarily fix the Z·motor spacer unit (4·4)
onto the frame with a Ph illips round head screw
(SP2 x 5).
2. Set the eje ction lever shaft un it (4-2), Z-damper
spring
(4 · 8) , two plain washers (WF2 .2), and Z-cam
gear
unit (4-3), and fix them with the retaining
ring
(E type) (RE1.5). Be careful not to deform
the plastic part of the ejection lever shaft unit
Adjust the motor phase and pen stroke when
setting the Z·
motor unit (4- 11 .
RE1 .6
~ . \WF2.2
~~.I JJ4 .3WF2.2
~.m,. /4"
~ .J.
1. Setting the Z-motor unit: remove the screw
(SP2 x
5) which is tacki ng the Z· motor spacer unit
(4-4), and set the Z·
motor unit At this setting, the
cam of the Z-cam gear
un it (4 ·3) should be in the
pen·up position
(E position on page 34) and the
Z-motor should be energized
(BC phase). The Z· cam
gear and Z- Iever should be so engaged that value A
shown
in the figure below is 0.8 to 1.0mm. Adju$t
the value of A by rotating the motor poniori gear
shi
le the motor is being energi z. ed .