Avery Dennison 686 HT, User Manual

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Users Manual Model 686 / 686 HT Mechanical Trouble Shooting
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63
Problem Probable Cause Corrective Action
Cracks or craze marks
appear on face of
finished labels.
1) Incorrect adjustment of decurler. 1) Move decurler turn-bar toward unwind end of
printer until cracks no longer appear.
Stock jams in bridge blade
rollers or knife area.
1) Knife not cutting full width of
stock.
1) Loosen knife shear adjustment screws and move
outer end of knife until full cut is accomplished.
2) Stacker not operating or nip
rollers not turning.
1) Check stacker connection to access port. Be
sure nip roller is free to rotate and moves easily
in the bearing slots.
Will not stack. 1) Stacker not operating. 1) Check stacker connection to access port. Be
sure nip roller is free to rotate and moves easily
in the bearing slots.
2) Stacker position on printer too far
forward so labels go under stacker
rail.
1) Loosen stacker mounting knob and move
stacker toward rear of printer - tighten.
2) Adjust position of stacker rails.
3) Incorrect rail position or stacker
bed angle.
1) Using a cut label, position stacker rails so that
approximately 3/8" (9.5mm) overhangs the
second grooved roller. Loosen quick-turn
handle on stacker clamp and raise or lower
stacker bed until opening between 1st label
overhang and belt surface will allow entry of
next label.
Knife will not cut or partial
cut
1) Incorrect pre-load on clutch pawl. 1) With back cover removed and power off -
operate solenoid by hand. When lever is moved,
clutch pawl should move counter-clockwise
about 1/32" (0.79mm) with the "pac-man" in
home position. If not - loosen "pac-man" set
screws and readjust "pac-man" to stop with
spring in detent.
2) Partial cut 1) Loosen shear adjustment screws and move outer
end of knife until full cut is obtained.