Ink - Paxar 656 / 636 User Manual

Ink

Problem
Ink wrinkles or will not pull
smoothly.
Ink rolls loosely on take-up roller.
Users Manual Model 656/636
Probable Cause
1) Incorrect adjustment of unwind
roller brake resistance.
2) Unwind roller and ink take-up
roller misaligned.
3) Ink buildup on turn bar(s).
4) Incorrect ink width.
1) Take-up roller not turning.
2) Take-up core binding on locator
plate.
3) Take-up core not contacting ink
drive roller.
4) Take-up roller too full.
Corrective Action
1) Adjust knurled knob clockwise as
far as possible without breaking
ink or stalling ink motor. Do not
bottom adjustment knob.
Replacement of fiber brake disc
may be required if printer has
high hours.
2) Align rear edge of ink with rear of
print area (allow approximately
1/8" (3mm) overlap). Loosen
thumb cap screw on ink out
sensor mount plate and adjust
until it touches rear of ink roll on
unwind arbor. Lock slide rewind
core toward rear of printer until it
just contacts plate.
3) Clean with alcohol.
4) Use an ink width no wider than
stock being printed. This is
especially critical when using a
narrow web with cut down
rollers.
1) Check that roller swing arm (rear
of printer) is not binding and
Roundthane™ belt is not broken
or slips excessively.
2) Move core .015" - .030" (.38mm -
.76mm) away from plate.
3) Assure that take-up roll is not
binding on locator plate and
swing arm moves freely.
4) Remove used ink roll. It is
designed to hold only 1 full roll.
Mechanical Trouble Shooting • 55