HP LaserJet 4610n - Manual (Page 93)

CAUTION Do not print cardstock, envelopes, or unsupported sizes of media from Tray 2. Print on these
types of media only from Tray 1. Do not overfill the input tray or open it while it is in use.
Doing so can cause paper jams.
1. Remove the tray from the printer. Move the CUSTOM/STANDARD switch to the
CUSTOM position.
2. Adjust the rear media-length guide by squeezing the guide adjustment latch and sliding
the back of the tray to the length of the media being used.
3. Push down the media lift plate until it locks.
ENWW Configuring input trays 81