HP OfficeJet Pro K850 User Manual

Loading small media
To load small media in the input tray
NOTEYou can also use the front manual feed slot. If you are printing on thick paper (such
as cardstock), you can use the rear manual feed slot. See 
Printing with the front or rear
manual feed slot.
1.Raise the output tray and remove any media from the input tray.
2.Insert a stack of media that does not exceed the height of the paper guide, print-side down along
the right side of the input tray until it stops.
3.Open the small media guide by...

5.Press the input tray lock and slide the tray in until the small media guide stops at the edge of the
media. As you slide the tray, the small media guide extends until it touches the edge of the media.
6.Lower the output tray.
7.When printing, select the appropriate media type and size from the printer driver. See 
Changing
print settings.
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Changing print settings
You can change print settings (such as media size or type) from an application or the printer driver.
Changes made from an application take precedence over changes made from the printer driver.
However, after the application is closed, the settings return to the defaults configured in the printer
driver.
NOTETo set print settings for all print jobs, make the changes in the printer driver. For more
information about printer driver features in Windows, see the printer driver online...

Canceling a print job
You can cancel a print job using one of the following methods:
▲Control panel
Press 
 (Cancel button). This will clear the job that the printer is currently processing. It does not
affect jobs waiting to be processed.
▲Windows
Double-click the printer icon that appears in the lower right corner of the computer screen. Select
the print job, and then press the Delete key on the keyboard.
▲Mac OS X
Click the Print Center or Printer Setup Utility icon, and then double-click the printer...

Printing with the front or rear manual feed slot
If you are printing one or just a few photos, envelopes, or sheets of paper, you can use the front
manual feed slot and leave your regular media in the input tray.
The rear manual feed slot uses a straight paper path and is designed for printing single sheets of
thick paper (up to 280 g/m
2) such as cardstock.
For information on media types and sizes supported by the manual feed slots, see 
Understanding
specifications for supported media.
Printing from...

the right side of the slot until the media stops. Insert envelopes with the flaps facing up and to the
right.
4.Slide the paper guide to the right until it stops at the edge of the paper.
5.Press  (Resume button) to proceed with printing.
To resume printing from the input tray, remove the paper from the front manual feed slot.
Loading the rear manual feed slot
1.If the duplex unit is installed, replace it with the rear-access panel.
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2.Slide the paper guide to the required media width.
3.Insert a sheet of media print-side up into the left side of the slot until the printer grips the media.
4.Press 
 (Resume button) to print.
5.If you are printing more than one page, press 
 (Resume button) to print after inserting each
sheet.
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Printing on both sides (duplexing)
You can print on both sides of a sheet of media, either automatically by using the duplex unit or
manually by turning the media over and feeding it into the printer again.
Guidelines for duplexing
●Always use media that conforms to the printer specifications. See Understanding specifications
for supported media.
●Specify duplex options in your application or in the printer driver.
●Do not print on both sides of transparencies, envelopes, photo paper, or glossy media....

7.Select or clear the Flip Pages Up check box depending on which way you want the binding. See
the graphics in the printer driver for examples.
8.Choose a booklet layout from the Booklet Layouts drop-down list, if desired.
9.Change any other desired settings, and then click OK.
10
.Print your document.
NOTEIf you are using a computer running Windows NT 4.0, click Continue in the dialog
box that appears to print the document. Otherwise, the printer does not start printing.
11
.For manual duplexing, after...

Printing on special and custom-size media
This section provides information on how to print on media such as envelopes, photo paper,
postcards, and transparencies, as well as custom-size media.
To print on special and custom-size media (Windows)
1.Load the appropriate media. See 
Loading media.
2.With a document open, on the File menu, click Print, and then click Setup or Properties.
3.Click the Paper/Quality tab.
4.Select the media type from the Type is drop-down list.
5.Select the media size from the...