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The driver and download page is here
You may consider contacting our specific product support experts at the following link:Fast Track to the Expert
They are very knowledgeable and would be your best resource.
Can you give me the procedure how to downgrade the system firmware? Thanks
I am more of an overall forum moderator than technical expert on this specific device.
I have researched our internal analyst forums and on line knowledge data and found no match to your symptom.
I suggest contacting our service support and if needed they can record any bugs and get you a resolution.
You can use this link or a phone number that you may already have.
Thanks for your reply.
I would like you to know that this error doesn't came from the job which I gave to the printer. I got this error after executing the print calibration and after that, printing from USB stays processing. I can use other services like copy and scanning to usb.
Is this a bug that needs patch fixes???
Thank you for using the Xerox forum.
I would suggest that you review the following solution from the 7535 support site.
Solutions for : Offending Command / Invalid Font
If that does not resolve your issue you may consider contacting our specific product support experts at the following link:
Fast Track to the Expert
I dont know exactly what's going on. But one thing I know, when I print from USB, print job queue stays forever in processing. Moreover, after I executed the delete command from local UI it stays even there. Ive got this error after executing the print calibration at final step (step 3). And by the way, I've done a couple of restarts, yet it even stucks on the printer.