Service manual

ADJUSTMENT
2-106
2 ADJUSTMENT
[7] Paper feed height (upper limit) adjust-
ment (LCT only)
Caution1:
Paper feed height (upper limit)
adjustment must be performed when
no paper feed occurs, when the lead-
ing edge of the fed paper is folded or
when a convexly curled paper is fed.
To perform this adjustment, move the
upper limit sensor mounting bracket
vertically.
Caution2:
This adjustment may affect the
release amount of the pick-up so that
[8] pick-up roller release amount
adjustment must be performed after
this adjustment.
1. Tool
• Screwdriver (Phillips)
•Scale
2. LCT Adjustment of paper feed height (upper
limit)
a. Adjustment method
Paper feed guide
Up/down plate
Screws
Sensor mounting bracket
Step Operation
1
Move the 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 to 5 mm
If the leading edge of the paper is folded
irrespective of whether the above dis-
tance is within specifications, perform
steps 4 and later.
4
Remove the spring from the paper pick-
up roller unit.
5
Remove two stop rings to slide the two
bearings outward, then remove the
paper feed roller unit.
6
Remove two screws securing the sensor
mounting bracket and install them in the
outside mounting holes (oblong holes)
temporarily.
Top cover
Spring
Remove
this.
Paper feed
roller unit
Paper feed roller unit
Bearing
Bearing
Stop ring
Stop ring
Paper feed roller unit