HP PCL/PJL reference - Printer Job Language Technical Reference Manual
Page 84
...settings or through the software application. JPOST and COM10, C5, DL, JPOSTD are paper EXECUTIVE, sizes; Refer to run the job. the LaserJet 4V/4MV (see Appendix A) printers interpret CUSTOM as ...LEGAL, A4, AUTO, block of free memory or the currently set to prevent ON printer overrun errors (error 21) when formatting very dense or complex images, especially HP-GL/2 images. LETTER, LEGAL, Letter... printer memory to any legal value at 300 dpi without page protection. When the page protection status is changed, memory is reconfigured and all downloaded fonts...
...settings or through the software application. JPOST and COM10, C5, DL, JPOSTD are paper EXECUTIVE, sizes; Refer to run the job. the LaserJet 4V/4MV (see Appendix A) printers interpret CUSTOM as ...LEGAL, A4, AUTO, block of free memory or the currently set to prevent ON printer overrun errors (error 21) when formatting very dense or complex images, especially HP-GL/2 images. LETTER, LEGAL, Letter... printer memory to any legal value at 300 dpi without page protection. When the page protection status is changed, memory is reconfigured and all downloaded fonts...