Minolta DI750 - MANUAL SERVICE Service Manual page 132

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a.
Adjustment method
Step
1
Move the paper up/down plate up.
2
Open the top cover.
3
Measure the distance between the top
surfaces of the paper feed guide and
paper up/down plate and check whether
it is within specifications.
Standard value: 2 ~ 5 mm
If the leading edge of the paper is folded
irrespective of whether the above
distance is within specifications, perform
steps 5 and later.
4
Remove the spring from the paper pick-
up roller unit.
Top cover
Paper feed roller unit
5
Remove the two retaining rings to slide
the two bearings outward, then remove
the paper feed roller unit.
Paper pick-up roller unit
Bearing
Retaining ring
Operation
Spring
Remove
Paper feed roller
unit
Bearing
Retaining ring
1 - 111
OTHER ADJUSTMENT
6
Remove the two screws securing the
sensor mounting bracket and install then
in the outside mounting holes (oblong
holes) temporarily.
7
<When the heights are not within
specifications>
Adjust the position of the sensor
mounting bracket vertically so that the
distance between the top surfaces of the
paper feed guide and paper up/down
plate is within the specifications.
When raising the hight of the paper up/
down plate:
Lower the sensor mounting bracket.
When lowering the height of the paper
up/down plate:
Raise the sensor mounting bracket.
<When any fault has occurred>
Folded leading edge of paper:
Raise the sensor mounting bracket.
Convexly curled paper:
Lower the sensor mounting bracket.
8
Install the paper feed roller unit and
spring.
9
Close the top cover.

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