Open Date Digi-3-Coder Operator Instructions Manual page 19

Digi-3-Coder (Issue 1.2)
Digi-3-Coder Mechanical Fault Finding
FAULT
Insufficient foil pull.
Solenoid operates but printer does not.
Printer operates but does not print, i.e.
impression but no print.
Printing foil tracks over to one side.
Foil rewind is loose.
Printer is sluggish.
6 October 2005
POSSIBLE CAUSE
Defective stepper motor.
Drive belt is broken.
Drive pulley loose on stepper motor.
Driven pulley loose on bearing housing.
Pinch roller not engaged.
Drive roller damaged or dirty.
Wrong index amount in settings.
No or low air pressure.
Air pipe damaged.
Dwell time may need to be increased.
Dirty air supply, contaminating pipes etc.
Printing foil exhausted.
Printing foil not being driven through.
Printing foil not suitable for substrate.
Little or no heat.
Little or not enough dwell time.
Bent spindle on foil magazine.
Brake arm loose.
Pinch roller misaligned with drive roller.
Type not fitted centrally on type holder.
Green drive belt worn out or dirty.
Green drive belt is not fitted correctly.
Loose cardboard core on rewind mandrel.
Insufficient air pressure.
Flow restrictors wound in too far.
Faulty valve.
Dirty air supply, contaminating pipes etc.
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