Question about Zebra 170XiIIIPlus Thermal Label Printer

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Print too light

I have adjusted the pressure and Darkness to no avail. Printing acceptable on the left but nearly missing on the right.
The printer hadn't been used for several months.

Thanks, Steve

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The printhead alignment sounds to be out or the hopefully just dirty. on this printer the printhead is not autoaligning like on the smaller printer and you need to tune the tilt,rotation,position, and so on. not just the print pressure. there are about 4 sets of hex screws around the head mech that are used to adjusted the alignment.
good luck

Posted on Nov 21, 2007


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1. If you are printing using postscript driver, try using PCL6 - printout would be darker for grey scaled items.

2. Print in lower resolution 600dpi or 300dpi, printouts would be darker.

3. Try printing all characters as black

You can adjust darkness at the printer using the console menu.
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Workcentre 275....customer supplied multi page pdf's all of which contain a signature. When printed from the 275 a lot of background noise appears in and around signature, prints fine to various other...

Hi Paul.
I don't have a Xerox, but my previous HP and Samsung and current Samsung have on-screen Windows-configurable settings for adjusting darkness etc.
Open Start>Control Panel>Printers and Devices
Right-click the XEROX icon and choose Settings.
Browse through the menu pages until you see a page with similar to the screenshot.
May be called Advanced.
Darkness should be normal, or if still showing, try light.
ECO mode should be On.
That fact that other printers are not printing the noise means that the current user-settings of your XEROX are too dark, thus reproducing the pixels of the signature graphic.
If you selected a pixel near the signature and analysed it in MS Paint, you'd probably find that the 24-bit RGB value is not pure white 255.255.255 but maybe a few steps darker, say 254,254,254.
To the human eye this would be hardly noticeable, but the printer may be darkening the pixels even more, causing the noise.
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HI, our Zebra 4m+ is currently set to a Darkness of 30 as that seems to eb th eonly way it will print enough detail on the label. We have tried adjusting the pressure settings to no avail. Now we are...

Full resin ribbons tend to require higher darkness settins on all thermal printers.
It could be a mismatch between label and ribbon. This would need to be looked by your supplier.

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The Thermal transfer labels are not readable when I print to the Intermec easy coder PM4I. They print too light. I can use the same ribbon and label stock on an Intermec 3400 printer and they print...

You can adjust the darkness level +/- 10. If you adjust it all the way to 10 and it is still too light, there is a print head pressure adjustment screw to the left of the ribbon feed roller.

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Changed the ribbon, but the labels are to light.

The DARKNESS setting controls the amount of ink released to the label. The 105 has a range of 1-30, 1 is the lightest - 30 is the darkest. The setting used will depend on the combination of label / ribbon used. There is no "correct" number, always try to use the lowest setting with acceptable print quality.

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My 3'' by 1'' label now prints in the middle to the right and cuts of info.

So the left side is blank ? Usually caused by an imbalance across the printhead. Check the toggle pressure on the left side. Each toggle has a dial on top for adjusting the down pressure. Probably less pressure on the left than the right. Quick test would be to use your finger to put some down pressure on the left side of the printhead while printing. If the print is there, you have your answer. If still no printing, then something else is happening.

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In your label software there should be a setting option for print darkness (I assume it adjusts the head temperature) In ours (bartender) you can get to it when you select 'print' and a window appears with a 'documents properties' button. Click on this and select options and a darkness bar appears which you can adjust. You may also need to slow the label print speed if the darkness adjustment is not enough. I suspect it isn't in the printers best interest to run the print head at maximum darkness/heat so a sensible balance of darkness and print speed is best.
Another, less likely, possibility is an incompatability between the label material or surface finish, and the ribbon type. We did have a problem once whem Homebase changed their price label design and we had to test a load of other ribbon types until we got one that did the job. A chat with the label or ribbon supplier is always usefull, they sent us several sample bits to test.

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Hi chunnon,

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