Formax FD 540 - Manual (Page 16)

SYMPTOM PROBABLE CAUSE
Large variation in trim accuracy. Upper/Lower Side Guides too loose/tight.
Paper pack not centered to Slitter
Infeed. Brush Tension to tight.
Form pull out to tractors. Incorrect Burster roller timing.
Incorrect Tear Bar setting.
Insufficient Feed roller tension.
Uneven Inking. Ink Roll not adjusted uniformly.
Ink Roll dried up, or not turning freely.
Signature patch worn or installed improperly.
Uneven Signature Position. Forms not in Tractors.
Print Cylinder timing incorrect.
Incorrect form size,
Signature patch position(s) incorrect.
Check roller timing-imprint position.
Set infeed tension higher.
Clean rollers.
Incorrect Counting. Code Mode Switch in wrong position.
Counter not cleared to zero.
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