I believe the DJ6xx printers are all PCL3, not PCL5.

Here some info on printing text in color:

Color Text Sample Programs for the DeskJet 550C printer



                                            Program Portion Function
Edlin Program (or any DOS editor):          (Not part of program)
----------------------------------          ------------------------

ESCE                                        Resets printer
ESC*r-4U                                    Chooses KCMY palette
ESC*v1S                                     Chooses true Black
This is a test of true black
ESC*v2S                                     Chooses Cyan
This is a test of Cyan
ESC*v4S                                     Chooses Magenta
This is a test of Magenta
ESC*v6S                                     Chooses Blue
This is a test of Blue
ESC*v8S                                     Chooses Yellow
This is a test of Yellow
ESC*v10S                                    Chooses Green
This is a test of Green
ESC*v12S                                    Chooses Red
This is a test of Red
ESC*v14S                                    Chooses composite Black
This is a test of composite Black
ESCE                                        Resets printer


                                            Program Portion Function
Basic Program:                              (Not part of program)
--------------                              ------------------------

10 LPRINT CHR$(27);"E";                     Resets printer
20 LPRINT CHR$(27);"*r-4U";                 Chooses KCMY palette
30 LPRINT CHR$(27);"*v1S":                  Chooses true Black
40 LPRINT "This is a test of true Black":
50 LPRINT CHR$(27);"*v2S":                  Chooses Cyan
60 LPRINT "This is a test of Cyan":
70 LPRINT CHR$(27);"*v4S":                  Chooses Magenta
80 LPRINT "This is a test of Magenta":
90 LPRINT CHR$(27);"*v6S":                  Chooses Blue
100 LPRINT "This is a test of Blue":
110 LPRINT CHR$(27);"*v8S":                 Chooses Yellow
120 LPRINT "This is a test of Yellow":
130 LPRINT CHR$(27);"*v10S":                Chooses Green
140 LPRINT "This is a test of Green":
150 LPRINT CHR$(27);"*v12S":                Chooses Red
160 LPRINT "This is a test of Red":
170 LPRINT CHR$(27);"*v14S":                Chooses composite Black
180 LPRINT "This is a test of composite Black":
190 LPRINT CHR$(27);"E";                    Resets printer


On Fri, 24 Sep 1999 16:59:28 +0200, "Jean-Luc Roux"
<[log in to unmask]> wrote:

>Hello!
>
>I want to set some tabulation, but i don't find anywhere the good
>command to do this.
>
>I also want to change color of the text, but i'm not in graphic mode.
>Is it possible
>
>Can someone help me?
>
>Thanx in advance.
>jluc Roux
>
>