ddstdecode(1)

ddstdecode - Decode a Ricoh DDST stream into human readable form. ddstdecode [options] <ddst-file ddstdecode decodes a Ricoh DDST stream into human readable form.

A Ricoh DDST stream is the printer language used by some Ricoh printers. From what I can tell, it is pbmtojbg(1) wrapped with some PJL.

These are the options that can appear on the command line.

-d basename

Basename of .pbm file for saving decompressed planes.

-h

Print hex file offsets.

-o

Print file offsets.

-D level

Set Debug level [0].

Decode an Ricoh DDST stream file created by a Ricoh SP112.

$ ddstdecode -h ~/testpage-ricoh-sp112.prn
     0:  33%-12345X@PJL
     f: @PJL SET TIMESTAMP=2017/03/16 16:53:16
    37: @PJL SET FILENAME=testpage.pdf
    57: @PJL SET COMPRESS=JBIG
    6f: @PJL SET USERNAME=rick
    87: @PJL SET COVER=OFF
    9b: @PJL SET HOLD=OFF
    ae: @PJL SET PAGESTATUS=START
    c9: @PJL SET COPIES=1
    dc: @PJL SET MEDIASOURCE=TRAY1
    f8: @PJL SET MEDIATYPE=PLAINRECYCLE
   119: @PJL SET PAPER=LETTER
   130: @PJL SET PAPERWIDTH=5100
   14a: @PJL SET PAPERLENGTH=6600
   165: @PJL SET RESOLUTION=600
   17e: @PJL SET IMAGELEN=60604
   197: DDST_JBIG_DATA_BEGIN 60604 bytes
                DL = 0, D = 0, P = 1, - = 0, XY = 5100 x 6600
                L0 = 128, MX = 0, MY = 0
                Order   = 3  ILEAVE SMID
                Options = 72  LRLTWO TPBON
                52 stripes, 0 layers, 1 planes
  ee53: DDST_JBIG_DATA_END
  ee53: @PJL SET DOTCOUNT=1765571
  ee6e: @PJL SET PAGESTATUS=END
  ee87: @PJL EOJ
  ee91:  33%-12345X

/usr/bin/ddstdecode foo2ddst-wrapper(1), foo2ddst(1), pbmtojbg(1) Rick Richardson <[email protected]>
http://foo2xqx.rkkda.com/