HP 4 Plus Manual

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Figure 3-3 HP LaserJet 4/4M PCL Self Test Printout 
Configuration 3-25 

Item
Figure  3-4 Explanation
1 Standard menu selections:   Lists selections in the order in which they
appear in the control panel display.
2 Optional menus:    Shows optional menu selections, such as the
PostScript Menu, and menu items, in the order in which they appear in the
control panel display. Optional menus automatically appear in the control
panel display when options are added to the printer.
3 MIO Menu:  When an optional Modular I/O is added, the MIO Menu
appears following the Serial Menu in...

Figure 3-4 HP LaserJet 4 Plus/4M Plus PCL Self TestPrintout
Configuration 3-27 

Changing the Control Panel Display
Language    
The default control panel display language is set for English.
Supported languages are: English, French, German, Italian,
Spanish, Finnish, Danish, Dutch, Swedish, Norwegian, and
Portuguese.  Follow these instructions to change the display
language.  
1Switch OFF the printer.
2Press and hold [Enter] (or Select  on the LJ 5) while switching
the printer ON until  CONFIG LANGUAGE appears in the display.
3After the power-on self test,  LANGUAGE=ENGLISH appears....

Test Print Button   
The Test Print button access hole is located on the side of the
printer. Press the Test Print button using a tool similar to a
paper clip (see Figure 3-5). The \b5 ENGINE \fES\f only prints from
the PC tray (Tray 2).
Figure 3-5 Test Print Button Location
Configuration 3-29 

Pressing the Test Print button will initiate a \b5 ENGINE \fES\f.
This is an engine test only. The Format PCA is bypassed while
printing this test, although a formatter problem can interfere
with this test. A page of vertical lines is printed if the print
engine is operating correctly (see Figure 3-6).
Figure 3-6 Test Print Pattern
3-30 Configuration 

System Configuration      
MS-DOS System Configuration
To communicate properly with the printer, the MS-DOS
environment requires the addition or modification of MODE
commands in the AUTOEXEC.BAT file. Add or modify the
MODE command(s), depending on the interface configuration, as
follows:
Parallel DOS Commands
Most IBM PC and AT compatible computers default to a parallel
printer port. To ensure that information is sent to your parallel
printer port, type the following MS-DOS command at your
MS-DOS prompt...

Serial MS-DOS Commands
Most IBM compatible computers default to a parallel printer port.
To ensure that information is sent to your serial printer port, type
the following MS-DOS commands at your MS-DOS prompt, or
include them in your AUTOEXEC.BAT file.MODE COM1:9600,N,8,1,P
MODE LPT1:=COM1
For MS-DOS version 4.0 or above, enter: MODE COM1:9600,N,8,1,B
MODE LPT1:=COM1
Note These examples assume that you are using serial
printer COM1. If you are using COM2 or COM3,
replace COM1 with the the printer port...

Printer I/O Configuration
Parallel Menu
The default setting for the High Speed Parallel I/O is YES.  If it is
set to NO, the interface runs at a slower speed that is compatible
with older computers. When the default is set to YES, the parallel
interface runs at a higher rate supported by newer computers.
Advanced Functions   
The Advanced Functions feature of the printer enables
bi-directional communications between the printer and the host.
The default setting is ON. This default setting ( ON) must be...

Pacing (Handshaking)     
Pacing (or “handshaking”) is a type of communication between
the printer and the computer. This is an important item in the
printer because it allows the printer to tell the computer when to
send information. If the printer is unable to receive information,
for example, when the print buffer is full or when the printer is
out of paper, a signal is sent to the computer to stop sending
information. When the printer is able to resume receiving
information, it sends another signal...