Laser printer is not printing about inch wide strip
When printing letter copies to the letter landscape tray (designated as letterR), everything is fine. But when doing prints to the portrait letter tray or 11x17 tray, I have about an inch wide section laterally that is missing near the top of the page. I've tested out doing scans from ADF tray, scan bed, one sided, two sided and I've ruled out any issues with the scanner or duplexing.
If the issue is only related to the printing process, what might be the problem and is there any guess to how costly or complex of a problem this is? This machine could be a game changer for us as we needed a machine for 11x17 prints. We're willing to invest some funding for repairs but not if there's a chance that it'll be too costly or too difficult to repair.
I know there's a limit to how much can be troubleshot over the web but I always get good info from this forum so I'd thought it wouldn't hurt to ask. Thanks in advance.