Tektronix 740L Symptoms and solutions, Front Panel Messages, Symptom Possible Causes Solution

4 Troubleshooting

Symptoms and solutions

Front Panel Messages

Symptom	Possible Causes	Solution
Power indicator is blinking	The printer is receiving, processing or	Wait for the job to be completed or cancel
	printing a job.	the job.
	You have entered the menu in the front	Exit the menu.
	panel.

Power indicator is off	The printer is turned off, is not ready, is
	disabled, or has detected an error.

Make sure that the printer is turned on. Read the front panel message to determine the printer’s status.

Error indicator is on	Attention is required, but not
	immediately. For example, when the
	front panel reads <color>:low.

Correct the condition reported by the front panel.

Error indicator is blinking	The printer is stopped because it	Correct the condition reported by the front panel
	detected a user-correctable error such	(for example, close the door or clear the media
	as an open door or a media jam.	jam).
	Error occurred that may be	Press the Info/More button to access
	user-correctable.	information on the error condition.
	Error occurred that is not	Read the front panel message. If the message
	user-correctable.	includes an error number, find that number
		listed in “Error codes” on page 94 and follow
		any directions there for recovery.
The front panel menu exits	Front-panel timeout: If no activity	Press Menu to re-enter the menu.
and returns to Ready without	occurs in 5 minutes, the front panel
anyone pressing the button.	returns to Ready.
Front panel reports:	Media jam.	■ To find the jam: See the front panel
Jam at <Location>		message. Also, refer to the illustration on the
		inside front door.
		■ To clear the jam: Refer to “Clearing a media
		jam” on page 97.
		■ Make sure that paper or transparencies are
		installed correctly and in the media-specific
		tray. See page 9 for details on loading media.
		■ To prevent a jam: Clean the rollers. See
		page 109 for details on printing the cleaning
		instructions.
	Too much media is loaded in the	Reduce the amount of media to below the
	media tray.	media level indicator on the media tray label.
	Media is wrinkled or curled.	Change the media.
	Media is too thick or too thin.	Use recommended media; refer to page 5.
		For media loaded in the Multi-Purpose Tray,
		make sure that you have set the Media
		Thickness Switch on the printer to
		accommodate thick, medium, or thin media.
Front panel reports:	The printer detects media in the	■ Scroll through the selections to choose the
MPT: <media>	Multi-Purpose Tray and is waiting for	media type you have loaded in the
	information on the type of media.	Multi-Purpose Tray.
Front panel reports:	The indicated color Toner Cartridge is	■ Change the Toner Cartridge soon.
<color>:low	almost empty.
Front panel reports:	Indicated color Toner Cartridge is	Replace the indicated color Toner Cartridge
Stopped:	empty.	now; the printer stops until you replace the
replace <color>		cartridge.

70Phaser 740 and 740L Laser Printers