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Frequent Contributor.
Frequent Contributor.
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Chromebook Printing "Loading Preview..."

This may be more of a chrome/chromebook issue than an iPrint issue (due to the number of threads in Google forums I’ve seen with similar symptoms but not using iPrint Appliance), but figured I’d put it out there anyway to see if anybody has run into it and may know why it's happening.

I’m running version 3.0.1 of the appliance. I have chromebooks with the Micro Focus iPrint app installed. I go to the iPrint page for the appliance and install a printer. If that installed printer is my default printer, when I go to print anything from the chrome browser I’ll get a box that says “Loading Preview…” that appears to stay there forever. There’s a Print button there, but clicking it just gives me a spinning wheel that never stops. So, the end result is that the job never sends.

Oddly, if I change my printer to “Save as PDF,” the preview will load, and I can change it back to my printer, send the job, and I’m good. From that point on when that printer is chosen as my default, the preview will load for anything I send to Print and I won’t run into issues. Until I print to a different printer, which will change my default, and the next time I try to send a print job, I’ll get the endlessly “Loading Preview” until I switch to “Save as PDF” or the other printer that I got working the one time, then switch back to the new printer I want to use. So, I can get it to print, but I doubt my users would be happy about having to do that every time they want to use a new printer.

Anybody run into something like this and found a way around it?
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4 Replies
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Absent Member.
Absent Member.

Re: Chromebook Printing "Loading Preview..."

flauyven,

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Frequent Contributor.
Frequent Contributor.

Re: Chromebook Printing "Loading Preview..."

There's a topic in the iPrint Chrome Extension for Chromebook users FAQ, "Why do I receive an error, 'Printing failed due to an error in Chrome'" that says that error can be caused if Chrome will not display the printing options. It then mentions the fix as being to change the destination to "Save as PDF" and then change back to the printer, which is what I've had to do to get these printers to work. I never see that error, but I kind of think that may be what's going on? I found a couple printers in the district that I can print to without the perpetually Loading Preview and it's available printer options are limited compared to other printers I've looked at.

Looking in the ui log on the chromebook, at the time a print preview is trying to load I’ll see a few error messages that read “Uncaught TypeError: Cannot read property ‘value’ of undefined”, source: chrome://print/print_preview.js (11767).

Does anybody have insight as to why Chrome will not display the printing options? Has anybody come across a way of dealing with it other than having users switch to “Save as PDF” and then back to the printer they’d like to use?
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Super Contributor.
Super Contributor.

Re: Chromebook Printing "Loading Preview..."

Unfortunately I can't give you any good news, just your not alone.

I do think this might be a ChromeOS issue, before the iPrint Appliance we use to use Papercut to share printers directly to Google Cloud Print (We had a second linux cups server to do this) and we had this type of issue even with that setup, seems more common using the extension.
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Frequent Contributor.
Frequent Contributor.

Re: Chromebook Printing "Loading Preview..."

Cool, thank you for the response. It's good to know it's not just us.
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