Oce 3121 Technical & Service Manual page 88

The copy has faults with the fusing
Cause
Paper
Fusing unit label ( '
FILM-LANK ' )
Fusing unit
Fusing heater
ed.1
Step Checks
1 Is the paper in use a thick
type of paper, or a paper
that is difficult to fuse?
2 Is a recommended type
of paper being used?
3 Decrease the setting of ( '
* 3 * ' ), ' FILM-LANK
' . In service mode.
4 Is the problem evident in
the vertical direction?
5 Open the MIN_TH
screen in service mode
(*1*) and press the copy
start key. Thereafter, is
the value of MAIN_TH
200°C or more?
Y/N Action
Yes Set ( ' * 5 * ' ) , '
SPCL-PPR ' to 1. Then,
set the following and
advise the user:
Select a cassette for
I
thick paper as the spe-
cial cassette.
Select the following
I
icon for the selected
cassette (2nd column
from the right and 3rd
row from top). Thick
paper icon
Advise the user to use
I
this cassette for thick
paper.
No Make a test run, using
recommended paper. If
the results are satisfac-
tory, advise the user to
use recommended paper.
Yes Check the fixing film for
scratches or wrinkles. If
any, replace the fixing
unit.
No Refer to: The fusing
heater fails to switch ON.
Yes Check the DC control
PBA, and the thermistor.
Image quality 15