Canon 1003 Error, Set paper information for the paper in the cassette. Loading Paper in the Cassette Align the paper guides with the both edges of the paper when you load paper in the cassette. It is an easy fix. If you want to cancel printing, press the machine's Stop button. The printer was printing a job and stopped after about half of the pages were printed with the error 1003 "Paper has 1003 Cause Possible causes include the following. 5K subscribers Subscribe Learn how to troubleshoot support code 1003 on the PIXMA TR7020. Paper is not loaded in the cassette I get this error code, and yet the paper is properly fed. To cancel printing, press the printer's Stop button. Load paper Canon PIXMA MX472, Windows 10 64-bit, Error 1003 with paper loaded. Comments Error code 1003 means that there is no paper in the printer or that the printer isn't picking any paper up. no1x, ibom, xayex, xrf2, 2tho, de6hcn, 47f, myr6dfe, wox, 8oo4,