Avery Dennison SNAP 700 RFID Linear Knife - Manual (Page 33)

Snap Linear Knife Trouble Shooting
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33
Trouble Shooting
Problem Probable Cause Corrective Action
Cut is out of square 1. Web not centered in printer 1. Adjust printer feed assembly
1. Incorrect cam adjustment 1. Re-calibrate Cam.
1. Knife is not square 1. Rotate thumbwheel to remove web buckle.
1. Knife is not centered to web 1. Center knife to web
Blade(s) are not cutting
clean edges.
1. Incorrect adjustment of blade 1. Check the blade is touching the upper blade.
2. Check that the extension springs on each side
of slide shaft are engaged.
1. Dull or nicked blades 1. Replace both upper and lower blades as a set.
Do not replace only one as that will shorten
the life of both blades.
1. Blades need cleaning 1. Remove blades from mounting and clean.
Cutting blade is not
rotating
1. Bearing in cutting blade is
jammed or gummed up
1. Replace cutting blade bearing
Knife won’t cut or tags not
the same width
1. Bad C-Sensor 1. Replace C Sensor(s)
1. Linear knife not connected to
the printer
1. Check the harness connection to the printer
both outside and inside
1. Web is tracking off center 1. Re-set tracking of web on the Printer
Cut edge of tag looks
ragged
1. Blades need cleaning 1. Remove blades and clean
1. Blades are dull 1. Replace blades as a set
1. Wheel knife bearing is dirty or
damaged
1. Replace ball bearing
Tag are dirty 1. In feed rollers are dirty 1. Clean rollers
1. Adhesive on tag 1. Clean knife blades
Missed sensor error 1. Sensor not aligned with hole 1. Move sensor over hole or slot to register
2. Top and bottom sensor not over each other see
section on Adjusting the Sensor.
1. Registration hole is below spec 1. Re-place stock with material to spec
1. Three registration holes in a row
blocked
1. Restart printer or replace stock
1. Web is not tracking straight 1. Check printer feed, unwind back tension,