Error Message 41.03.YZ Unexpected size in envelope feeder To use another tray, touch "Options" for HP LaserJet M601, M602, M603 Series Printers.

HP Say:

41.03.YZ Unexpected size in envelope feeder To use another tray, touch "Options"

Description

The product detected a different paper size than expected.

• Y = 0 Size mismatch. Detected media is longer or shorter than expected.
• Y = A Size mismatch. Detected media too long.
• Y = B Size mismatch. Detected media too short.
• Y = C Size mismatch. Inter-page gap error.
• Z = D Source is duplexer.
• Z = E Source is envelope feeder.
• Z = 2 Source is Tray 2.
• Z = 3 Source is Tray 3.
• Z = 4 Source is Tray 4.
• Z = 5 Source is Tray 5.

Recommended action

Make sure that the feeder is loaded with the correct paper size and that the sliding paper guides are correctly adjusted.

Use the Tray/Bin manual sensor test to verify that the envelope feeder paper sensor (PS1802) is correctly functioning.

If the error persists, replace the envelope feeder.