90
Chapter 6 Trouble Guide
Copyright © 2019 Duplo Corporation All Rights Reserved
3. Troubleshooting
Do not use a ammable static electricity removal spray.
Doing so could cause build-up of gas inside the machine,
which in turn could cause ignition, resulting in re and explosion.
Condition Cause Solution
Power is not turned on. The power cord is not connected. Connect the power cord.
(p.8)
The power switch is not turned on. Turn on the power switch.
(p.33)
The machine does not
start operation when the
key is pressed.
Paper is not stacked. Stacking paper on the paper feed tray.
(p.34)
The paper switch is not responding. Stacking paper in correct position so that
the paper switch responds.
(p.34)
Paperhasjammed. Removejammedpaper.
(p.87)
The top cover and side cover are open. Closethecoverswhichareopen.(Theside
cover will not be closed if the folding plate 2
isnotattachedcorrectly.)
Non-standardpaperisusedinstandard
papersettings.(DF-999/DF-999A)
Changethesettingstomatchnon-standard
paper.
Thepaperfeedguideisothepapersize
detectionarea.(DF-999/DF-999A)
Secure the paper feed guide correctly.
Thepapersetleverisnotlowered.(DF-990/
DF-990A)
Lower the paper set lever.
[D-FeedDetect]isturnedonbuttest
foldingwasnotperformed.(DF-999/
DF-999A)
Perform test folding.
A6,A7,B7orothernon-standardpaperis
used.(ForEU)
Inputthepapersize.
(p.58)
The folding stopper of
folding plate 1 or 2 does
not operate.
The folding plates 1 and 2 are not set
properly.
Set the folding plates 1 and 2 properly.
(p.5)
Paper is not folded at the
normal folding position.
The folding plates 1 and 2 are not set
properly.
Set the folding plates 1 and 2 properly.
(p.5)
Static electricity is built up on paper. • Useacommerciallyavailablestatic
electricity removal spray.
• Separatethepaperwell.
(p.30)
• Humidifywithahumidierasrequired.
Paperjamoccurs. Paper is not separated well. Separate the paper well.
(p.30)
Paper is curled. Correct the paper curl before use.
(p.30)
The folding roller is stained. Clean with a cloth moistened with alcohol.
(p.81)
The stacker roller is not positioned
correctly.
Re-setthepositionofthestackerroller.
(p.59)
Static electricity is built up on paper. • Useacommerciallyavailablestatic
electricity removal spray.
• Separatethepaperwell.
(p.30)
• Humidifywithahumidierasrequired.