Question about HP LaserJet 4 plus Printer
Our reliable HP LJ 4 printer stopped printing a few days ago. It is connected by a parallel cable. The printer's display all looks normal with the online and ready lights lit and the display reading 00 READY. When I send a print job to it (even a test page) the document appears in the cue and seems to be processed fine. While the doc is in the cue, the green ready light on the printer flashes like it is supposed to when it is receiving data. Then the doc disappears from the cue as if it has been printed and the Green light on the printer stops flashing as if it finished printing the document but nothing has happened. It's just waiting for another print job.
If I use the printer's keypad, I can have it print out a self test sheet without any problem but anything coming from the computer looks like it's being received but nothing prints.
I'd apprecate any help I can get.
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