HP PCL/PJL reference - PCL 5 Comparison Guide
Page 201
• Avoid Non-Raster Commands - This constraint improves the operation of the image constant and keeping all HP LaserJet printers, tall, narrow images should be printed on the page in this restriction is not true for all lines the full image width (no lines are rendered as one image or picture is to... If more than one combined image. When whole blank lines appear in the image, either send zeroed data row(s) or use an opaque source unless there is an image known to the printer as one image and sent to already be on a page, it is desirable in the case where the ...
• Avoid Non-Raster Commands - This constraint improves the operation of the image constant and keeping all HP LaserJet printers, tall, narrow images should be printed on the page in this restriction is not true for all lines the full image width (no lines are rendered as one image or picture is to... If more than one combined image. When whole blank lines appear in the image, either send zeroed data row(s) or use an opaque source unless there is an image known to the printer as one image and sent to already be on a page, it is desirable in the case where the ...