HP LaserJet 4250 User Manual

Checking memory installation
After installing the DIMM or CompactFlash card, make sure that the installation was
successful.
To verify that DIMMs or CompactFlash cards are installed
correctly
1. Check that Ready appears on the printer control panel display when the printer power is
turned on. If an error message appears, a DIMM or CompactFlash card might have been
incorrectly installed. See 
Interpreting control-panel messages .
2. Print a new configuration page. (See 
Configuration page .)
3. Check the...

Saving resources (permanent resources)
Utilities or jobs that you download to the printer sometimes include resources (for example,
fonts, macros, or patterns). Resources that are internally marked as permanent remain in the
printer memory until you turn the printer power off.
Use the following guidelines if you use the page description language (PDL) ability to mark
resources as permanent. For technical details, see an appropriate PDL reference for PCL or
PS.
● Mark resources as permanent only when it...

Installing EIO cards or mass storage devices
Follow this procedure to install an EIO card or mass storage device (optional hard disk).
To install EIO cards or mass storage devices
1. Turn the printer power off.
2. Remove the two screws and cover plate from the EIO  1 or EIO 2 slot on the back of the
printer.
NOTE
Do not discard the screws or the cover plate. Save  them for future use if you remove the EIO
card.
3. Install the EIO card or mass storage device  in the EIO slot and tighten the screws.
4....

252Appendix D Printer memory and expansion ENWW
 

E
Printer commands
Most programs do not require you to enter printer commands. See your computer and
software documentation to find the method for entering printer commands, if needed.
PCL 6 and PCL 5ePCL 6 and PCL 5e printer commands tell the
printer which tasks to perform or which fonts to
use. This section provides a quick reference for
users who are already familiar with PCL 6 and
PCL 5e command structure.
HP-GL/2The printer has the ability to print vector graphics
using the HP-GL/2 graphics...

Understanding PCL 6 and PCL 5e printer command syntax 
Before using printer commands, compare these characters:
Lowercase l:lUppercase O:O
Number one:1Number 0:0
Many printer commands use the lowercase letter l (l) and the number one (1), or the
uppercase letter O (O) and the number zero  (0). These characters might not appear on your
screen as shown here. You must use the exact character and case specified for PCL 6 or
PCL 5e printer commands.
The figure below explains the elements of  a typical printer...

Using escape characters
Printer commands always begin with the escape character (Ec).
The following table shows how the escape character can be inserted in various MS-DOS
programs.
DOS programEntryWhat appears
Lotus 1-2-3 and SymphonyType  \027
Microsoft Word for MS-DOSHold down  Alt and type  027 on
the numeric keypad
WordPerfect for MS-DOSType  
MS-DOS EditHold down  Ctrl+P , and press
Esc
MS-DOS EdlinHold down  Ctrl+V , and press  [^[
dBase?? CHR(27)+command?? CHR(27)+ 
Selecting PCL 6 and PCL 5...

Common PCL 6 and PCL 5 printer commands 
Job-control commands
FunctionCommandOptions (#)
ResetEcEnot available
Number of copiesEc&l#X1 to 999
2-sided/1-sided printingEc&l#S0 = Simplex (1-sided) printing
1 = Duplex (2-sided) with long
edge binding
2 = Duplex (2-sided) with short
edge binding
Page-control commands
FunctionCommandOptions (#)
Paper sourceEc&l#H0 = Prints or ejects current page
1 = Tray 2
2 = Manual feed, paper
3 = Manual feed, envelope
4 = Tray 1
5 = Tray 3
6 = Optional envelop feeder
7 =...

FunctionCommandOptions (#)
Paper typeEc&n#5WdBond = Bond
6WdPlain = Plain
6WdColor = Color
7WdLabels = Labels
9WdRecycled = Recycled
11WdLetterhead = Letterhead
10WdCardstock = Cardstock
11WdPrepunched =
Prepunched
11WdPreprinted = Preprinted
13WdTransparency =
Transparency
#WdCustompapertype =
Custom
1
OrientationEc&l#O0 = Portrait
1 = Landscape
2 = Reverse portrait
3 = Reverse landscape
Top marginEc&l#E# = Number of lines
Text length (bottom margin)Ec&l#F# = Number of lines from top
margin
Left...

FunctionCommandOptions (#)
Vertical position (dots)Ec*p#Y# = Dot number (300 dots = 1
inch)
Vertical position (decipoints)Ec&a#V# = Decipoint number (720
decipoints = 1 inch)
Horizontal position (columns)Ec&a#C# = Column number
Horizontal position (dots)Ec*p#X# = Dot number (300 dots = 1
inch)
Horizontal position (decipoints)Ec&a#H# = Decipoint number (720
decipoints = 1 inch)
Programming hints
FunctionCommandOptions (#)
End of line wrapEc&s#C0 = Enable (turn off)
1 = Disable (turn on)
Display functions...