HP LaserJet 4345 Multifunction Printer series - Manual (Page 146)

Envelope feeder
With the optional envelope feeder, the MFP will automatically feed up to 75 standard-size
envelopes. To order an optional envelope feeder, see
Ordering parts, accessories, and
supplies .
● Print only on envelopes that are approved for use in the MFP. See Envelopes .)
● Before you use the optional envelope feeder, ensure that the printer driver is set to
recognize it. You need to set this setting only once. See the printer driver online Help for
details.
● Ensure that you are familiar with the parts of the optional envelope feeder.
1 Release lever
2 Envelope weight
3 Tray extension
4 Guides
Installing the optional envelope feeder
Use these steps to install the optional envelope feeder onto the printer.
To install the optional envelope feeder
1. Open tray 1.
2. Remove the plastic envelope-entrance cover from the MFP.
132 Chapter 7 Optional output and input devices ENWW