We are having a problem with the ribbon wrinkling and leaving blanks on our barcodes as the labels are printed. We have this on two printer one worse than the other and it happens on just about every label.
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1. The printhead in your printer might be scratched (evidenced by thin white streaks through your print). This is common, and the most likely cause. Printhead must be replaced. 2. Material might be stuck on your printhead (usually evidenced by wide white streak vertically through print). Printing surface of printhead can be cleaned with rubbing alcohol and cotton ball. 3. The ribbon might be wrinkling due to uneven tension, producing intermittent diagonal streaks in your print. This is somewhat common, but doesn't fit your description as well as 1 & 2 above. Mechanical adjustment and/or proper media loading solves ribbon wrinkles. 4. Poor pressure and/or printhead alignment. Evidenced by grainy, light or no print on one side or the other of the media. This is somewhat common, but doesn't fit your description as well as 1 & 2 above. Mechanical adjustment solves printhead pressure and alignment issues.
Ribbon Wrinkle as it called can be caused due to the main feed rollers (that touch the ribbon or the label) being slightly worn. Even if you have a sligh gradient on the roller(s) it will pull ever so slightly to one side. If you need the parts then please do not hesitate to contavct me. Jack Woodworth - Codeo UK, 01179064587
Its probably not static. 1. Wipe the print head and platen roller with alcohol dampened qtip or lint free cloth. Print about 30 labels while gently pressing on the ribbon supply, causing it to drag a little and observe if the wrinkles stop. If so tighten the nut on the end of the ribbon supply a little at a time until wrinkles disappear. Check the head pressure toggles on top of the print head and make sure they are adjusted about the same. If you have been printing a lot of the same size labels, check the platen roller (white) at the point where the right edge of the label rides on it for a slight offset where the roller is worn down. If it is worn, the only fix is to replace the platen roller.
When you have this problem you need to determine if the ribbon is wrinkling before or after the head. If it is before the head then you need to adjust the bar prior to the head. There should be a phillips head screw there and directly behind it there is an adjustment. Loosen the screw and then move the bar (it is slightly arc'd) so it smooths out the ribbon. This is the least likely suspect. Most likely the head is not square. If the head is not square with the roller below it will cause the ribbon to "dance" as I call it. It will slowly move over then jump back to its rightful position. Or it could just wrinkle. If this is the case and your print looks good then you can adjust the ribbon bar right where the ribbon comes out of the head. There are two screws at the top. Loosen both of them and this adjustment bar will slide all the way back. Once this goes back. Manually manupulate it until it smooths out the ribbon. Once you manually figure out where it is smooth then tighten the screws back up. Feed a few labels and see if the ribbon is smooth.
Usually a ribbon wrinkle is caused by an imbalance across the printhead. There is more pressure on one side of the ribbon then the other (if using a ribbon across the whole web). Check the printhead pressure adjustment dials located on top of the printhead. One side may be "down" more then the other.
Definitely. possible solution match the width of your label and ribbon. if your ribbon is wider for .5 inch it should be good.
1. check your spindle alignment, printhead alignment and rotate the green knob on the printhead while printing so that you'll see the difference.