HP LaserJet 4100 HP PCL/PJL reference (PCL 5 Printer Language) - Technical Ref - Page 38
Set Picture Frame Anchor Point, Example:
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Set Picture Frame Anchor Point This command sets the location of the PCL Picture Frame anchor point to the PCL cursor position. E C * c 0 T Default =0 Range =0 The position of the picture frame anchor point defines the location of the upper left corner of the PCL Picture Frame. The "upper left" refers to the corner for which X and Y coordinates are minimized when the print direction is 0. A parameter value of zero (EC*c0T) specifies that the picture frame anchor point should be set to the cursor position. Sending a cursor move command prior to sending this command places the picture frame anchor in the desired location. All parameter values other than zero are ignored, but if you do not send a Set Picture Frame Anchor command, the printer defaults the anchor point to the left edge of the logical page and the default top margin. Note The print direction command does not affect the physical location of the anchor point or the picture frame. Using this command defaults the location of P1 and P2, resets the soft-clip window to the PCL Picture Frame boundaries, clears the polygon buffer, and updates the HP-GL/2 pen position to the lower left corner of the picture frame (if entered with EC%0B), as viewed from the current orientation. Example: To set the picture frame anchor point to a position 6 inches from the left logical page boundary and 5 inches below the top margin, send: EC*p1800x1500YEC*c0T In this example, the cursor is first moved to the desired location (6 inches x 300 dots/inch = 1800 dots; 5 inches x 300 dots/inch = 1500 dots). Then the EC*c0T command sets the picture frame anchor point to that location. 18-10 The Picture Frame EN