Service Manual
Page 69
...Serial Configuration Use RS-232C serial configuration when the printer is : BAUD RATE=9600*. The default BAUD rate setting is located 11 to 50 feet from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. When the default is compatible with a serial ...This default setting (ON) must be active in order to use an RS-422A serial configuration (not available on the LaserJet 4 Plus or 5). Configuration 3-33 Since the default-printer I /O is YES. If it is set to NO, the interface runs at a slower speed that is set on...
...Serial Configuration Use RS-232C serial configuration when the printer is : BAUD RATE=9600*. The default BAUD rate setting is located 11 to 50 feet from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. When the default is compatible with a serial ...This default setting (ON) must be active in order to use an RS-422A serial configuration (not available on the LaserJet 4 Plus or 5). Configuration 3-33 Since the default-printer I /O is YES. If it is set to NO, the interface runs at a slower speed that is set on...