13
Problems?
Problem
Possible causes
Action
The machine is
Stacker tray blocked and can not Switch the machine off. Unblock
inoperative and the
reach home position.
tray and switch machine on.
letters "HEJ" are not
shown in the display
when the machine is
switched on.
The machine is
inoperative as the
start button is
pressed.
Machine in jam condition.
Load lever in lower position.
Clear jam.
Raise load lever to upper position.
Stacker full.
Empty stacker.
Conveyor door open.
Close door.
Attached units shut down.
Correct problem in third party
device.
Repeated
misfeeds/double
feeds.
Feed rollers need cleaning.
Paper separator pad needs
cleaning.
Check/clean (see section 5.1).
Check/clean (see section 5.1).
Sheets not fanned enough
(ink/powder/cutting burrs etc. will
make this a very important step).
Check/fan sheets.
Paper quality out of
specification.
Check specifications.
Incorrect double
feed/jam indication.
Different paper quality or print
impression in the bins since
previous calibration.
Mixed sheets (mixed paper
qualities).
Perform calibration cycle.
Check the sheets.
Front panel
commands
inoperative.
Machine has accidently entered
service mode.
Switch machine off and then back
on.
6. PROBLEM SOLVING
6.1 General Problems
Содержание DI875
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