Triumph Adler UTAX PF 780, Service Manual

Page: 69 / 139

3NL-2
1-4-10
1-4-2 Troubleshooting
(1) First check items
If the paper is fed askew, jammed, curled, or leading-edge dog-eared, first perform to check the following
items.
Check items Check description Corrective measures
Paper 1. Check the paper delivered is
dog-eared, skewed, rumpled,
loosely fused, or curled.
If a dog-ear has happened, check there are no objects
existing in the conveying paths and, if any, fix.
If the paper is fed askew or crumpled, perform the fol-
lowing No.2.If an inferior fusing or curling is observed
and the fuser temperature is set to a abnormal value,
when measured by performing maintenance mode
U161, reset to the default. (see page 1-3-109)
2. Check how paper is loaded in
the cassette (deck).
Check that the paper has
been properly aligned with
width adjuster cursor and the
rear guide; it has been loaded
without skewing; or it is not
damaged. (Crumpled paper,
main unit/DF jam)
Adjust the cursors to the size of the paper.
(If paper is fed askew, perform a skew cancellation
adjustment of the width adjuster cursor.) (see page 1-5-
122)
3. Check how paper is loaded.
Check if the cutting edge of
the paper bundle inside is
cumpled or bent.
If the cutting edge of the paper bundle is crumpled, fan
the paper before loading.
If the paper is folded, stretch before loading in the
cassette
4. If a large-capacity deck is
being used, check how paper
is loaded in the deck.
Check if the paper inside the
deck is placed above the
guide.
Reloard the paper so that its edges won't be situated
above the platform.
5. Check the paper is damp,
wavy, or curled.
1. Load the paper bundle in the cassette upside down.
2. Load the paper bundle after rotating it 180°and
reload.
3. Change the paper.
6. Check if the paper loaded
was stored in a continuously
humid place.
Instruct the user to store paper in a dry, less humid
place.
Install a cassette heater and configure using U327. (see
page 1-3-160)
7. Check if the paper conforms
to the requirements.
Isolate the cause of the problem by replacing the paper
with the recommended paper.
(see page 1-1-1)