HP Color LaserJet 2550L User Manual

5. Make sure that the stack of paper is flat in the tray at all four corners, and keep it below
the height tabs on the media-length guide in the rear of the tray. Push down on the metal
media-lift plate to lock it into place.
6. Slide the tray into the printer. If you set the rear of the tray to one of the longer sizes, the
back of the tray will protrude from the back of the printer.
Loading optional tray 3
The optional tray 3 supports A4-size and letter-size paper. Optional tray 3 supports only
paper,...

2. For letter-size paper, pull the rear stop up. For A4-size paper, push the rear stop down.
A4
3. For letter-size paper, move the media-width guides outward as far as possible. For A4-
size paper, move the media-width guides inward as far as possible.
4. Load the paper. If this is special paper such as letterhead, load it with the side to be
printed on facing down and the top edge toward the front of the tray.
NoteIf you are duplexing manually, see Printing on letterhead or preprinted forms for loading...

Controlling print jobs
This section provides basic printing instructions. When making changes to printing settings,
follow the hierarchy of how changes are prioritized. (Note that the names of commands and
dialog boxes might vary depending on your software program.)
●Page Setup dialog box. This dialog box opens when you click Page Setup or a
similar command on the File menu in your software program. This dialog box is part of
the program in which you are working. Settings that are changed here override...

To print from Windows
1. Make sure that print media is loaded in the printer.
2. On the File menu, click Page Setup or a similar command. Make sure that the settings
are correct for this document.
3. From the File menu, click Print, Print Setup, or a similar command. The Print dialog
box opens.
4. Select this printer and change settings as necessary. Do not change any settings, such
as page size or orientation, that you set in the Page Setup dialog box.
5. If this print job is for a standard size and...

8. Set any other settings that you want, such as watermarks. (For more information, see
Gaining access to printer driver settings.)
9. By default, the printer prints to the top output bin, which is the best location for most print
jobs, including transparencies. For labels, heavy paper, or other jobs that require a
straight-through path, lower the rear output door on the printer.
10. Select the Print command to print the job.
Maximizing print speed for letter-size paper
The printer can print at 20 ppm in...

Operating
SystemTemporarily change settings
for jobs that are printed nowPermanently change default
settings1Change configuration settings
(For example, to add an optional
tray or to enable or disable a
driver feature such as Allow
manual duplexing)
Mac OS X v. 10.1On the File menu, click Print.
Change settings as necessary
on the various pop-up menus.On the File menu, click Print.
To change settings as
necessary, use the various
pop-up menus, and then on
the main pop-up menu, click
Save Custom...

●Printing multiple pages on one sheet of paper (N-up printing)
●Creating and using Quick Sets
●Reducing or enlarging
●Printing on different paper for the first page
●Changing the print quality
●Restoring the default printer-driver settings
For manual duplexing, see 
Printing on both sides (duplexing manually).
Selecting a Source
You can print by Source (tray) or by Type or Size. To print by Source, follow these steps. For
more information, see 
Controlling print jobs. For Macintosh operating systems,...

Printing in grayscale
If you have a document that you created in color, it will automatically print in color. Or, you
can set the printer to print a color document in grayscale (black and white) only.
●Windows: Select the Print In Grayscale option on the Color tab of the printer driver.
●Mac OS: In the Print dialog box, select the Color Options tab, and then select the Print
Color as Gray checkbox.
Changing the color settings
When you are printing in color, the printer driver automatically sets the...

Printing multiple pages on one sheet of paper (N-up printing)
N-up printing is the ability to print multiple pages on one sheet of paper. The pages will
appear decreased in size. You can specify up to nine pages per sheet, and they will be
arranged on the sheet as shown in the following figures if you use the default arrangement.
You can also choose whether a border appears around each page or not.
●Windows: Gain access to Pages per Sheet on the Finishing tab in the printer driver.
●Mac OS: Gain access...

Printing on different paper for the first page
Printing on different paper for the first page is useful if, for example, you are printing a letter
that uses letterhead on the first page and plain sheets for the subsequent pages. The size
for all pages of the print job must be the same in the printer driver.
●Windows: Try to set this setting from one of these locations, in this order: the Page
Setup dialog box in the program, the Print dialog box in the program, or the Paper tab
in the printer driver....