Oki ML421 Maintenance Manual - Page 81
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No. Item Specification Oki Data CONFIDENTIAL Drawing Adjust lever A Adjust gear Adjust spring B C Adjustment method Note 1) The head gap shall be measured with the change lever set to rear position. Adjust screw Note 2) The head gap shall be measured positioning the platen gear (R) craw on the top. Note 3) Move the adjust screw in clockwise direction (in direction B) to measure. Adjust gear Print head Adjust lever Click of platen gear R Gap Adjust cam 4-1-2 Measure variation of Gap=0.65±0.05 gap when range is at the range 5. changed. Platen 42113901 Rev.2 81 /
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42113901
Rev.2
81 /
Oki
Data
CONFIDENTIAL
Item
No.
Specification
Drawing
Adjustment method
Note 1)
The head gap shall be
measured with the
change lever set to
rear position.
Note 2)
The head gap shall be
measured positioning
the platen gear (R)
craw on the top.
Note 3)
Move
the
adjust
screw
in clockwise
direction (in direction
B) to measure.
Measure variation of
gap when range is
changed.
4–1–2
Gap=0.65
±
0.05
at the range 5.
Adjust cam
Platen
Adjust gear
Click of platen gear R
Gap
Adjust lever
Print head
Adjust
screw
Adjust spring
Adjust gear
Adjust lever
A
B
C