Utax PF 730, Service Manual

Page: 66 / 118

3NJ-4
1-4-9
Conveying
guide,
approaching
guide, feed-
shift guide
3. Check that the paper
conveying guide has no
barrs, deformations, or
abrasions; and it is properly
mounted without being
floated.
Clean the conveying guide or the paper approaching
guide.Remove any protrusions including barrs.If floated,
fix it properly.If deformation or abrasion is observed,
replace.
4. Check that the guide.
Check that the guide is
smoothly operative when
manipulated.
If the guide is inoperative or won't operate smoothly,
replace the guide or the unit.
5. Check that the guide.
Perform U033 to check the
operation of the solenoid to
sight-check or audio-check its
action. (see page 1-3-37)
If the guide is inoperative or won't operate smoothly, re-
assemble the guide or replace the solenoid or the unit.
Conveying
roller, feed
roller
1. Check the conveying rollers
have no paper dusts, toner,
or foreign objects
stucked.Check a variation of
the external diameter of the
roller or abrasion is not
observed with the coveying
roller.
Clean the conveying rollers or the pollyes.
If variation in the external diameter or abrasion is
observed, replace.
2. Turn the cover safety switch
on and perform Motor and
Clutch, check they operate
normally.
If the conveying motor or the clutch is inoperative,
replace.
If stained, replace the clutch.
If the clutch is kept turned on due to a tensioned wire,
reroute wires.
3. Check the conveying roller
rotates without overloading.
Check the axle holder or the
roller shaft are not
contaminated.
Check that the spring has not
fallen off and is mounted so
that it is properly applying
pressure against the rollers
or pulleys.
Clean the roller axle or the axle holder.Re-assemble it
while checking the pressure of the spring.
Check items Check description Corrective measures