Avery Dennison SNAP 700 - Manual (Page 91)

User’s Manual—SNAP™ 700 Printer
91
9.0 Mechanical Troubleshooting
9.1 Stock
Problem Probable Cause Corrective Action
Stock will not roll
smoothly or the stock
jumps.
1) Web guides are incorrectly
adjusted.
2) Unwind back tension to high.
3) Print head pressure is too
high.
4) Printer is not threaded
correctly.
1a) Be sure stock roll is as flat as possible
and does not extend over core.
1b) Adjust web guides to touch stock roll, but
do not pinch the roll.
2a) Reduce the unwind back tension through
the virtual panel.
3a) Reduce the print head pressure.
4a) Check threading diagram and correct as
needed.
Stock will not track
straight through the
printer.
1) Web guides are too loose.
2) Material is telescoping of the
unwind.
3) Machine is not setting on a
level surface.
4) Printer is not threaded
correctly.
1a) Adjust web guides to touch outer edges of
stock with the minimum pressure required.
2a) Remove stock supply and tension roll on a
flat surface by pulling on the end of the
material and holding the core from turning.
3a) Level the printer or work table.
4a) Check threading diagram and correct as
needed.
Stock jams in bridge
blade rollers or knife
area.
1) Knife not cutting the full width
of stock.
1) Refer to section 6.4, Knife Shear
Adjustment.
2) Nip rollers are not turning. 1) Be sure the nip roller is free to rotate and
moves easily in the bearing slots. Check for
a loose drive gear.
IF THE RECOMMENDED CORRECTIVE ACTIONS DO NOT
RESOLVE THE PROBLEM (S), CONTACT YOUR LOCAL
AVERY DENNISON REPRESENTATIVE.