2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-81
(12) Image is partly missing.
Print example Cause of trouble
1. Flawed or dirty drum unit.
2. Deformed or dirty transfer roller on its surface.
Defective part Check description Corrective Action
1
Paper
1. Check that the paper has
moisture absorbed.
2. Check that the paper has
stored in a humid place.
1. If the paper is damp, replace.Choose a dry
place to store paper.
2. If necessary, install a cassette heater.
(see page 1-2-19)
2
Drum unit Check the print image on paper
has a problem at an interval
equivalent to the circumference
of the drum (94mm)
If the print image on paper has a problem at an
interval equivalent to the circumference of the
drum, exexcute drum refreshing
(System Menu > Adjustment/Maintenance).
3
Transfer roller unit Check if the transfer roller is
deformed or contaiminated on its
surface.
If the transfer roller unit is deformed or contam-
inated, replace the transfer roller unit.
4
Fusing
temperature set-
ting
Check the value of the U161.
(see page 1-3-55)
1. Choose a paper weight appropriate for the
weight of the paper actually being used, if
the fusing temperature was set low using
U161.
2. Perform U161 for an appropriate fusing
temperature.
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