Paxar 656 / 636 user manual Ink

Ink

Problem Probable Cause Corrective Action

Ink wrinkles or will not pull smoothly.

1)Incorrect adjustment of unwind roller brake resistance.

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) Unwind roller and ink take-up	2) Align rear edge of ink with rear of
roller misaligned.	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) Ink buildup on turn bar(s).	3) Clean with alcohol.
4) Incorrect ink width.	4) Use an ink width no wider than
	stock being printed. This is
	especially critical when using a
	narrow web with cut down
	rollers.

Ink rolls loosely on take-up roller.

1)	Take-up roller not turning.	1) Check that roller swing arm (rear
			of printer) is not binding and
			Roundthane™ belt is not broken
			or slips excessively.
2)	Take-up core binding on locator	2)	Move core .015" - .030" (.38mm -
	plate.		.76mm) away from plate.
3)	Take-up core not contacting ink	3)	Assure that take-up roll is not
	drive roller.		binding on locator plate and
			swing arm moves freely.
4)	Take-up roller too full.	4)	Remove used ink roll. It is
			designed to hold only 1 full roll.

Users Manual Model 656/636 Mechanical Trouble Shooting • 55