Tektronix 740L manual If you can’t make a print, Symptom Solution

Troubleshooting 4

If you can’t make a print

Symptom	Solution
Printer not operating	Make sure that you plugged in the printer and turned it on.
	Make sure that you connected the interface cable(s) properly.
	Print Service Print 1 from the front panel to verify that the controller board is functional.
	Verify that your print engine is functional by pressing the Test Print button (the blue
	pushbutton in the center of the back of the printer), and holding it down for 3 seconds. If
	the print engine is functional, it will print a composite-gray page.
	Verify that your printer can communicate:
	If you have a Macintosh
	Make sure that you have the correct PPD file installed and selected and that you have
	selected the printer in the Chooser. If the printer’s name does not appear in the
	Chooser, your network connection may be faulty.
	In the Finder, you can use the Print Window command to send a file to the printer
	without using an application. If the communication link between your computer and the
	printer is working, the printer produces a directory listing of the active window on the
	desktop.
	If you have a PC
	Type this DOS command:
	echo %! > port
	echo showpage [Ctrl-D] > port
	Where [CTRL-D]indicates pressing the D key while holding down the CTRL key.
	Substitute the name of the printer port (for example LPT1:, LPT2:) for the variable port in
	this command. For example, if you are testing a parallel connection on LPT1, type:
	echo %! > lpt1:
	echo showpage [Ctrl-D] > lpt1:
	If the communication link between your computer and the printer is working, the printer
	ejects a blank page. If this occurs, but you cannot print from your application or through
	Windows, make sure that the appropriate driver is installed and that you have selected
	the printer correctly.
Printer doesn’t appear in the	Make sure that the printer is turned on and the cables are correctly attached.
Chooser (Macintosh)
	Check the termination (refer to the documentation for your network adapter or connector
	for information on termination).
	If you have changed the printer’s name, make sure that you have given it a unique name
	(not the same as any other printer in the zone or on the network).
	Make sure that the correct network is selected in either the Network or AppleTalk
	Control Panel.

Advanced Features and Troubleshooting Manual 79