2LK/2LN/2LM/2LC
2-4-4
(3) Firmware environment commands
The printer maintains a number of printing parameters in its memory. There parameters may be changed per-
manently with the FRPO (Firmware RePrOgram) commands.
This section provides information on how to use the FRPO command and its parameters using examples.
Using FRPO commands for reprogramming firmware
The current settings of the FRPO parameters are listed as optional values on the service status page.
Note: Before changing any FRPO parameter, print out a service status page, so you will know the parameter
values before the changes are made. To return FRPO parameters to their factory default values, send the
FRPO INIT (FRPO-INITialize) command.(!R! FRPO INIT; EXIT;)
The FRPO command is sent to the printer in the following sequence:
!R! FRPO parameter, value; EXIT;
Example: Changing emulation mode to PCL6
!R! FRPO P1, 6; EXIT;
FRPO parameters
Item FRPO Setting values
Factory
setting
Top margin A1 Integer value in inches 0
A2 Fraction value in 1/100 inches 0
Left margin A3 Integer value in inches 0
A4 Fraction value in 1/100 inches 0
Page length A5 Integer value in inches 17
A6 Fraction value in 1/100 inches 30
Page width A7 Integer value in inches 17
A8 Fraction value in 1/100 inches 30
Default pattern resolution B8 0: 300 dpi
1: 600 dpi
0
Page orientation C1 0: Portrait
1: Landscape
0
Default font No. * C2 Middle two digits of power-up font 0
C3 Last two digits of power-up font 0
C5 First two digits of power-up font 0
PCL font switch
C8 0: HP compatibility mode
32: Conventional compatibility mode
0
Total host buffer size H8 0 to 99 in units of the size defined by FRPO S5 5
Form feed time-out value H9 Value in units of 5 seconds (1 to 99) 6
Top margin L1 Top margin (integer value) 0
L2 Top margin (decimal value) 50
Left margin L3 Left margin (integer value) 0
L4 Left margin (decimal value) 50
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