Pixma TR7520 support codes 1300 and 1303 will not clear

[MrPastry]

I have been searching all over and tried a lot of different “solutions” with no results.
Without warning or any reasonably related issue or circumstance, during a print job, the printer stopped and displayed a paper jam error code 1303.
one page had printed.  No paper jammed anywhere.  Tap OK, restart, same error, only code 1300.
I unplugged from the power for a few minutes.  Same error.
The paper is picked up from the tray cassette, starts to feed over the duplex unit, stops there and declares a jam.
Even removing the paper tray cassette, produces the same error.
Took the whole printer apart completely.  Cleaned all the feed rollers.  Verified that nothing at all is anywhere in the paper path.  Still the same error codes.
Tried the so called “hard reset” method of holding the stop button etc., no effect at all.  Could replacing the logic  board resolve this?
Is there no means of completely resetting the unit?
Is there a procedure specific to this series I haven’t come across yet?
I’m at a loss with a near fresh batch of new ink tanks that probably cost more than replacing a computer board.
Hope I can find some information here beyond scripted customer “service”.  Thanks.

[bdibar]

We have the same issue and nothing helps. OP & Joe Joe, we did the same thing, taking it apart, resetting, trying to factory reset. Now the printer makes a loud scraping sound as it tries to find paper.

[Patrick]

Hi bdibar,

It would appear that your TR7520 would require service.  If your PIXMA TR7520 was purchased less than a year ago, please contact one of Canon's Technical Support Representatives via phone or chat to obtain your in warranty options. To contact a Technical Support Representative, please use the link below to log into your My Canon account:

https://mycanon.usa.canon.com

Once logged in, click on your PIXMA TR7520 and then click on the Product Support button.  When that page loads, click on either the Phone Support button or the Chat Support button to access support.

If your PIXMA TR7520 is out of warranty, you are eligible for Canon's Upgrade Program. This is for out of warranty units which have been diagnosed to require service, or for some reason are incompatible with a new or upgraded system. This option allows you a one-time opportunity to purchase a replacement product, discounted from the list price.

If you would like to take part in this option, please call our Sales Department at (866) 443-8002 Monday through Saturday, 9am to 9pm. Let them know you have been working with technical support and the Canon Upgrade Program was offered.

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