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HP LaserJet 4250 and 4350 Series Printers - Printing on Special Media
This document discusses printing on types of media that require special handling.
Printing on labels
Use only labels that are recommended for use in laser printers. Make sure that labels meet the correct specifications.

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Follow these guidelines when printing on labels:
Print on a stack of up to 50 label sheets from tray 1 or a stack of up to 100 label sheets from other trays.
Load labels in tray 1 with the front side facing up, and the top, short edge toward the printer. For other trays, load media with the front side facing down, and the top edge toward you.
Try opening the rear output bin to reduce curl and other problems.
Do not load or print on labels in the following ways:
| CAUTION:
|
Failure to follow these instructions can damage the printer. |
Do not load the trays to maximum capacity, because labels are heavier than paper.
Do not use labels that are separating from the backing sheet, wrinkled, or damaged in any way.
Do not use labels that have the backing sheet exposed. (Labels must cover the entire backing sheet, leaving no exposed spaces.)
Do not feed a sheet of labels through the printer more than once. The adhesive backing is designed for only one pass through the printer.
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.
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 printer and fuser. |
In the printer driver, set the paper type to Transparency
.
At the printer control panel, open the PAPER HANDLING
menu. Set the tray type to TRANSPARENCY
for the tray that you are using.
Load transparencies face up in tray 1 with the top toward the printer. Up to 50 transparencies can be loaded in tray 1. A stack of up to 100 transparencies can be printed from tray 2 and the optional trays (although stacking more than 50 at a time is not recommended). Because transparencies are heavier than paper, do not load trays to maximum capacity. Load them with the side to be printed on facing down, and the top, short edge toward you.
To prevent transparencies from becoming too hot or from sticking together, use the top output bin and remove each transparency from the output bin before printing another.
Print only on one side of a transparency.
Place transparencies on a flat surface to cool after removing them from the printer.
If two or more transparencies feed at the same time, try fanning the stack.
Do not feed transparencies through the printer more than once.

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Printing on letterhead, prepunched, or preprinted paper (single-sided)
When printing on letterhead, prepunched, or preprinted paper, it is important to orient the paper correctly. Follow the guidelines in this section for printing on one side only.
For tray 1, load the paper with the front side facing up, and the top, short edge toward the printer.

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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.

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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
. HIGH 2
provides better toner adhesion and optimal print quality for paper that has a highly textured finish. Open the PAPER HANDLING
menu and set TRAY TYPE
to the type of paper that you are using (such as BOND
) to turn on the appropriate fuser mode.
|
NOTE:
|
The printer might print at a slower speed when set at HIGH 1
or HIGH 2
. Use the HIGH 1
and HIGH 2
settings only if you are experiencing toner-adhesion problems. The HIGH 1
and HIGH 2
settings might increase problems with curl and jams. |
Some makers of these types of paper are now coating one side of the paper to enhance toner adhesion and print quality. To take advantage of this feature, make sure to load the paper correctly. The side on which you can read the watermark correctly is the front side, or the side to be printed on.
For tray 1, load paper with the front side facing up, and the top, short edge toward the printer.

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For tray 2, optional 500-sheet trays, and the optional 1,500-sheet tray, load paper with the front side facing down, and the top, short edge toward you.

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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. |
Weight and sizes
See the following table for specifications when printing on custom or heavy paper.
|
Tray
|
Minimum size
|
Maximum size
|
Supported weights
|
|
Tray 1 |
76 x 127 mm (3 x 5 inches) |
216 x 356 mm (8.5 x 14 inches) |
60 to 200 g/m2
(16 to 53 lb) |
|
Tray 2 and optional 500-sheet tray |
148 x 210 mm (5.8 x 8.2 inches) |
216 x 356 mm (8.5 x 14 inches) |
60 to 120 g/m2
(16 to 32 lb) |
Guidelines for heavy paper
Follow these guidelines when printing on heavy paper:
Paper heavier than 120 g/m2
(32 lb) should be printed only from tray 1. To reduce curl and other problems, print heavy paper from tray 1 to the rear output bin.
To help prevent toner from rubbing off of the paper, some heavier paper types should be printed using a higher fuser mode. At the printer control panel, open the CONFIGURE DEVICE
menu. On the PRINT QUALITY
submenu, select FUSER MODES
, and then select the media type that you want to modify. Select either HIGH 1
or HIGH 2
as the fuser mode. Using these modes helps prevent toner from rubbing off the page, but using them might slow the printer speed or create other problems, such as increased curl.
Guidelines for custom-size paper
Follow these guidelines when printing on any custom-size paper:
Feed the paper short-edge first.
In your program, set page margins at least 4.23 mm (0.17 inch) away from the edges.
Set the custom size in the program, in the printer driver, or at the printer control panel. Make sure that you set the switch in the tray to Custom
.
Additional guidelines for small or narrow paper
Follow these additional guidelines when printing on small or narrow paper:
Do not attempt to print on paper smaller than 76 mm (3 inches) wide or 127 mm (5 inches) long.
To reduce curl and other problems, print very small custom-size paper from tray 1 to the rear output bin.
HP does not recommend printing large quantities of small or narrow paper. Printing large quantities of small or narrow paper can cause excessive wear on the print cartridge components that might result in toner leaking into the printer or might cause print-quality problems.
Setting custom paper sizes
When custom paper is loaded, size settings need to be selected in the program (the preferred method), in the printer driver, or at the printer control panel. To reduce curl and other problems, heavy paper and very small custom-size paper should be printed from tray 1 to the rear output bin.
Feed the paper into the printer short-edge first.

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| 1 |
X dimension (front edge) |
| 2 |
Y dimension (side edge) |
If the settings are not available in your program, set the custom paper size at the printer control panel.
To set custom paper sizes
If you loaded a 500-sheet tray with custom paper, be sure that the knob is set to Custom
.
Press 
Product illustration ( Select
button) to open the menus.
Use 
Product illustration ( Up
button) or 
Product illustration ( Down
button) to scroll to PAPER HANDLING
, and then press 
Product illustration ( Select
button).
Use 
Product illustration ( Up
button) or 
Product illustration ( Down
button) to scroll to TRAY 1 SIZE
or TRAY [N] SIZE
(where [N] is the number of the tray), and then press 
Product illustration ( Select
button).
Use 
Product illustration ( Up
button) or 
Product illustration ( Down
button) to scroll to CUSTOM
, and then press 
Product illustration ( Select
button).
Use 
Product illustration ( Up
button) or 
Product illustration ( Down
button) to scroll to INCHES
or MILLIMETERS
, and then press 
Product illustration ( Select
button). This selects the measurement units for determining the size of your custom paper.
Use 
Product illustration ( Up
button) or 
Product illustration ( Down
button) to scroll to the correct dimension, and then press 
Product illustration ( Select
button) to set the X dimension (the front edge of the paper, as shown in the preceding figure). The X dimension can range from 76 to 216 mm (3 to 8.5 inches).
Use 
Product illustration ( Up
button) or 
Product illustration ( Down
button) to scroll to the proper dimension, and then press 
Product illustration ( Select
button) to set the Y dimension (the side edge of the paper, as shown in the preceding figure). The Y dimension can range from 127 to 356 mm (5 to 14 inches). For example, if the custom paper is 203 x 254 mm, set X=203 mm and Y=254 mm.
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