
56
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Mechanical Trouble Shooting
Users Manual Model 656/636
Problem
Probable Cause
Corrective Action
Poor print - uneven or no print
(mechanical). Also see electrical
trouble shooting.
1) Incorrect printhead pressure
adjustment.
1) Remove stock and ink. Close
printhead. Release pressure (2
knurled knobs). Readjust
pressure by turning knob(s)
clockwise until they just contact
printhead plate. Reinstall stock
and ink. Turn adjusters
clockwise approximately 1/8 turn
(5 clicks of knob). As machine
operates, increase pressure (2-3
clicks at a time) until best print is
obtained. Narrow webs will
require less pressure on front
adjuster. If print is still poor,
loosen (2) M3 cap screws visible
on outer edges of printhead
carrier. Adjust tangent point to
optimum print by rotating M3
screw in top center of printhead
plate. Lock in place with 2 outer
M3 cap screws.
2) Broken ink.
2) Replace ink and readjust (see INK
trouble shooting).
3) Ink not rewinding.
3) Readjust (see INK trouble
shooting).
Summary of Contents for 636
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Page 48: ...42 Electrical Connections Users Manual Model 656 636 Relay Assembly 351136 Part ...
Page 49: ...Users Manual Model 656 636 Electrical Connections 43 Electrical System Schematic ...
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Page 77: ...Users Manual Model 656 636 Assembly Drawings 71 Assembly Drawings ...
Page 78: ...72 Assembly Drawings Users Manual Model 656 636 Unwind Assembly Drawing ...
Page 80: ...74 Assembly Drawings Users Manual Model 656 636 Web Guide Light Bar Assembly Drawing ...
Page 82: ...76 Assembly Drawings Users Manual Model 656 636 Drive Assembly Drawing ...
Page 84: ...78 Assembly Drawings Users Manual Model 656 636 Printhead Assembly Drawing ...
Page 86: ...80 Assembly Drawings Users Manual Model 656 636 Ink Unwind Rewind Assembly ...
Page 88: ...82 Assembly Drawings Users Manual Model 656 636 Ink Rewind Arbor Assembly Field Retrofit Kit ...
Page 90: ...84 Assembly Drawings Users Manual Model 656 636 Feed Ink Drive Assembly ...
Page 92: ...86 Assembly Drawings Users Manual Model 656 636 Timing Belt Threading Diagram ...
Page 94: ...88 Assembly Drawings Users Manual Model 656 636 Ink Turn Roller Assembly ...
Page 96: ...90 Assembly Drawings Users Manual Model 656 636 Knife Assembly Drawing ...
Page 98: ...92 Assembly Drawings Users Manual Model 656 636 Stacker Assembly Drawing ...
Page 100: ...94 Assembly Drawings Users Manual Model 656 636 Rewind Assembly Drawing ...
Page 102: ...96 Assembly Drawings Users Manual Model 656 636 Stock Out Sensor Assembly Drawing ...
Page 104: ...98 Optional Stackers Users Manual Model 656 636 Optional Stackers ...
Page 106: ...100 Optional Stackers Users Manual Model 656 636 Optional 4 25 Pick up Assembly ...
Page 108: ...102 Optional Stackers Users Manual Model 656 636 Optional 4 25 Stacker Assembly ...