Hp laserjet p4015n error 41.3 unexpected tray 2

SOURCE: HP COLOR LASREJET 3500 41.3 ERROR

Check your settings under the properties menu. and in the software your using.

SOURCE: My HP LaserJet 4200 prints fine from tray 2, but will NOT print envelopes from tray 1. It WILL print on regular paper from tray 1, but will not print envelopes. What gives? I've already rebooted the

Are there settings on the control panel of your printer?
Is the tray 1 the MP tray? (The one that flips towards you)
If so, can you change the settings of the Tray 1 to Envelope on the control panel?

I hope this helps.

SOURCE: HP LaserJet 2430dtn - "Tray 2 open or empty"

This model have an issue with the level indicator, take out the tray casette and shake it a little. You see it from the front, the level get stucked sometimes, indicating that there is no paper loaded, even if the casette is full.

SOURCE: Setting tray 2 as default

In paper handling set tray 1 to CASSETTE

SOURCE: 13.01.00 paper jam tray 2

The pickup rollers are worn out. Replace them and your problem will be gone. While you are sourcing them, use some alcohol. This may give them a little more life.