Image printing too small.

Jules

Full Member

Posts: 124

Image printing too small.

« on: March 09, 2012, 04:26:51 PM »

I have been using Ultimate successfully for some time and only yesterday printed some 10x8" prints on A4 paper, and they were 10x8. Today I am trying to do the same and the image size on the printed paper is only 9.4 x 7.5" and it's driving me mad. They were created in PhotoShop at 10x8 brought into Qimage, selected and the size 10x8 selected. If I click on the Edit page, there it is showing the size as 10x8. Looking at the rulers these too confirm that it is 10x8. Back to the main page and hit print and the resulting print is under size by the amount mentioned above. What is the problem, I have never experienced this before. Can anyone help me get my prints the right size again?


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Terry-M

The Honourable Metric Mann
Forum Superhero

Posts: 3248

Re: Image printing too small.

« Reply #1 on: March 09, 2012, 04:38:27 PM »

Hi Jules,

Quote

yesterday printed some 10x8" prints on A4 paper, and they were 10x8. Today I am trying to do the same and the image size on the printed paper is only 9.4 x 7.5" and it's driving me mad.

Those sizes look like the same percentage reduction in both direction - 94% of the specified size so I suspect a driver setting. Check your driver for any "Reduce/Enlarge" settings that have accidently been retained, make sure there is no tick in the box. Do this from Qimage. Different makes of printer will have different terminology.
If you printed the same job the previous day, you should be able to recall it from the automated job log (file menu) and that will recall the same driver settings too.
This sort of problem (if that's what it is) can be overcome by saving Printer settings. Once done correctly, you will always Recall all the correct settings.
Tell us your printer and we may have the driver for it to check the detail.
Terry


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Jules

Full Member

Posts: 124

Re: Image printing too small.

« Reply #2 on: March 09, 2012, 05:03:14 PM »

Terry, thanks for your swift reply. I checked the printer (Epson4800) settings but could see no % reduction set. However I looked at a saved settings print I had done when things worked and found a difference in the settings. The setting was the Res: one at the bottom right of the screen. for correct size printing it was set at 360 ppi for the too small print it was set at 339 ppi and hovering the curser over my image I noted it was 355 ppi and this seems to have been the problem. I note that the relationship of 339/360 x 100 is 94% which is the relationship that you mentioned. I don't know how the Res: setting got changed as I have never ever used it.
But my question now is, what is the point of this Res: setting when, if set too low reduces the size of the print. I don't see any point to this. And was that indeed my problem, how could it have got changed.
By the way thanks for mentioning the Automated Job Log, i was not aware of that feature.


« Last Edit: March 09, 2012, 05:10:27 PM by Jules »	Logged

Terry-M

The Honourable Metric Mann
Forum Superhero

Posts: 3248

Re: Image printing too small.

« Reply #3 on: March 09, 2012, 05:34:33 PM »

Quote

But my question now is, what is the point of this Res: setting when, if set too low reduces the size of the print.

If you use Custom, Use Original size, it's possible to override the PPI by ticking the box and setting a PPI, so make that is not ticked.

What PPI you read at the bottom of the screen is the embedded information of the image, if it's not what you expect, it's the image data not QU.
The actual print size sent to the printer from Q can be seen in the Queue tab rather than using the page editor. With an embedded size and QU set to use original Size, that will show the PPI too. I checked one here and all is as expected, both sets of numbers agree.

If linear dimensions are set (not original size), the PPI shown in the Queue tab is that calculated from the image pixel size and the print size. Of course, QU interpolated to the printer native resolution regardless so I hope you are not interpolating (re-sizing) in PS because will degrade the final print quality.

Personally I think it's a waste of time "sizing" an image in PS when QU overcomes all that procedure and associated opportunity for errors by simply allowing you to use the original image file (after edits if required) and specifying the linear dimensions in inches or mm. and then, with crop scissors on, adjusting the crop as you wish. You don't have to bother about PPI etc. as QU does that for you. After all, it is one of the main features of Qimage.
Terry


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Jules

Full Member

Posts: 124

Re: Image printing too small.

« Reply #4 on: March 09, 2012, 07:20:00 PM »

Thanks Terry. That makes sense. Sizing in PS is historic with me and due to the fact that some of our printing is done at a lab, and some by we, and they like it sized and I use the same files (sometimes). Cheesy


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