Mechanical Faults; Print Quality Deterioration - Open Date SPRINT MAJOR Operator Instructions Manual

Sprint Major - Digi60
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.
POSSIBLE CAUSE
Insufficient foil pull.
Insufficient air pressure.
Printer not level with print base.
Too much or too little heat.
Dirty, worn or damaged dies or type.
Damaged or out of position print base rubber.
Printing foil not compatible with substrate.
Substrate surface altered, i.e. different
coating.
Print ram not completing full stroke.
Substrate moving before print head is clear.
Print Dwell incorrectly set.
©2023 Open Date Equipment Limited All rights reserved.
REV A

Mechanical Faults

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Print Quality Deterioration

POSSIBLE CAUSE
Foil adjusting screw wound in too far.
Pinch roller not engaged.
Foil feed air flow restrictors incorrectly set.
Clutch bearing failure in gear or body.
Drive roller damaged or dirty.
No air.
Air pipe damaged.
Printing foil has run out.
Printing foil not being driven through.
Printing foil not suitable for substrate.
Little or no heat.
Brake arm loose.
Pinch roller misaligned with drive roller.
Green Drive Belt worn out or dirty.
Foil feed too rapid (slow down return stroke
of piston, see page 10).
Foil retaining discs misaligned.
Insufficient air pressure.
Faulty valve.
Incorrect flow restrictor settings.
CURE
See page 8.
Check pressure regulator setting.
See that pipes are not damaged.
Adjust levelling screws.
Check that settings are correct.
Clean or replace.
Replace or re-position.
Contact foil supplier.
Contact substrate or foil supplier.
Open forward flow restrictor (where fitted).
Increase print dwell time.
Reduce print dwell time.
Adjust as necessary.
February 2023
Page 26