atkins@marlin.NOSC.MIL (Hugh T. Atkins) (06/15/90)
I am trying to use an HP LaserJet II ( and III's when they arrive ) as a substitute for a 7475A plotter connected to an HP 9000 model 520. The LJ II has Pacific Data Products "Plotter in a Cartridge". I understand the LJ III's will have this HPGL capability built in. Anyway, when I connect the printer to the computer via the serial port and run the following program the ON_LINE light on the LJ II flashes twice but nothing happens. The program does not complete, waiting on the I/O I guess. 10 plotter is 202,"HPGL" 20 plotter 202 is on 30 move 10,80 40 draw 80,80 50 draw 80,10 60 draw 10,10 70 draw 10,80 80 end ( the address is 202 because the printer is on a mux ) The real problem is that there is about 1 ton of code using HP BASIC GRAPHICS that cannot be rewritten using HPGL and I would like to plot it to the LJ II. Can this be done using the serial ports or do I need an HPIB<-> serial/parellel converter ? I have seen the MicroPrint 45C mentioned. Who makes this and what does it cost ? Will it work with HP BASIC 4.0 ? Help ! __ Hugh