HP LaserJet 4250 User Manual

Printing envelopes
You can print on envelopes from tray 1 or the optional envelope feeder. Tray 1 holds up to
10 envelopes and supports standard or custom sizes. The optional envelope feeder holds up
to 75 envelopes and supports only standard envelope sizes.
For printing on any size of envelope, make sure  to set the margins in your program at least
15 mm (0.6 inch) from  the edge of the envelope.
Printing performance depends on the construction of the envelope. Always\
 test a few
sample envelopes...

3. Adjust the guides to touch the envelope stack without bending the envelopes. Make sure
that the envelopes fit under the tabs  and maximum-height indicators on the guides.
4. To reduce curl and jams, open the rear  output bin to use the straight-through paper path.
Feeding envelopes automatically (optional envelope feeder)
With the optional envelope feeder, the printer  will automatically feed up to 75 standard-size
envelopes. To order an optional envelope feeder, see 
Ordering parts, accessories, and...

To install the optional envelope feeder
1. Open tray 1.
2. Remove the plastic envelope-entrance cover from the printer.
3. Insert the optional envelope feeder firmly into the printer until it latches into position. Pull
outward on the optional envelope feeder to be sure that it is securely in place.
Removing the optional envelope feeder
Use these steps to remove the optional envelope feeder from the printer.
To remove the optional envelope feeder
1. Press the release button that is located on  the left...

2. Replace the plastic envelope-entrance cover in the printer and close tray 1.
Loading envelopes in the optional envelope feeder
Use these steps to load envelopes in the optional envelope feeder.
To load envelopes in the optional envelope feeder
1. Fold down the envelope-feeder tray. Lift the envelope weight.
2. Squeeze the release lever that is located on the left envelope guide and slide the guidesapart.
3. Load envelopes with the front side facing up, and the postage-end toward the printer.Stack...

4. Adjust the guides to touch the envelopes without bending them.
5. Lower the envelope weight onto the envelopes.
6. To reduce curl and jams, open the rear output bin to use the straight-through paper path.
NOTE
Select the envelope size in one of these locations,  trying them in this order: in the program,
in the printer driver, or on the Paper Handling menu at the printer control panel. See 
Paper
Handling menu .
ENWW Printing envelopes 63
 

Printing on special media
This section discusses printing on types of media that require special handling:
●
Printing on labels
●
Printing on transparencies
●
Printing on letterhead, prepunched, or preprinted paper (single-sided)
●
Printing on paper that has a special finish
●
Printing on small sizes, custom sizes, or heavy paper
●
Setting custom paper sizes
Printing on labels
Use only labels that are recommended for use in laser printers. Make sure that labels meet
the correct specifications. See...

●Do not print on both sides of labels.
● Do not print on sheets from which labels have been removed.
Printing on transparencies 
Use only transparencies that are recommended for use in laser printers. \
For transparency
specifications, see 
Transparencies .
● At the printer control panel, open the  CONFIGURE DEVICE menu. On the PRINT
QUALITY  submenu, select  FUSER MODES. Make sure that the fuser mode is set to
TRANSPARENCY=LOW .
CAUTION
Failure to set the fuser mode to LOW can permanently damage the...

NOTEFor more information about paper that has a special finish, such as laid or bond paper, see
Printing on paper that has a special finish.
For tray 1, load the paper with the front side  facing up, and the top, short edge toward the
printer.
For tray 2, optional 500-sheet trays, and the optional 1,500-sheet tray, load the paper with
the front side facing down, and  the top, short edge toward you.
NOTEWhen Alternative Letterhead  mode is enabled in the printer driver, and  Letterhead or
Preprinted  is...

Printing on paper that has a special finish
Some paper has a special finish, such as laid paper, bond paper, and cockled paper. These
types of paper can cause issues in regard to toner adhesion and print quality. Follow these
guidelines when printing on paper that has a special finish.
●At the printer control panel, open the  CONFIGURE DEVICE menu. On the PRINT
QUALITY  submenu, select  FUSER MODES, and then select the paper type that you are
using (such as  BOND). Set the fuser mode to  HIGH 1 or HIGH 2...

Printing on small sizes, custom sizes, or heavy paper
Custom-size paper can be printed from tray 1, tray 2, or an optional 500-sheet tray.
NOTE
The printer might print at a slower speed when printing on small sizes, custom sizes, and
heavy paper. For more information about paper that have a special finish, such as laid or
bond paper, see 
Printing on paper that has a special finish .
Weight and sizes
See the following table for specifications when printing on custom or heavy paper. For more
information,...