Mechanical Trouble Shooting

Stock

Problem

 

Probable Cause

 

Corrective Action

 

 

 

 

 

Stock will not roll or jumps

1)

Incorrect adjustment of unwind

1)

Be sure stock roll is as flat as possible and does

 

web guides

not extend over core.

 

 

 

 

 

 

 

 

2)

Adjust web guides to touch stock roll but not

 

 

 

pinch the roll.

 

 

 

 

 

Machine fails to stop at end

1)

Incorrect adjustment of stock-out

1)

Adjust contact strip so that a “click” will be

of roll.

sensor.

heard when supply roll is lifted.

 

 

 

 

 

Stock does not pull

1)

Web guides on unwind arm too

1)

Adjust web guides to touch outer edges of stock

smoothly through

tight.

with minimum pressure required to keep stock-

printhead module.

 

 

out switch closed.

 

 

 

 

 

 

2)

Web guides too tight

2)

Adjust guides to touch edge of stock.

Stock jams in bridge blade rollers or knife area.

1)Knife mounted bridge blade too close to stationary bridge blade.

1)Loosen screws in upper knife securing bridge blade roller assembly and slide up (holes in blade are slotted) until rollers just contact stock. Tighten screws.

44 Mechanical Trouble Shooting

User Manual Model 676 LOKPRINT®

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Avery 676 user manual Mechanical Trouble Shooting, Stock