70
Phaser 740 and 740L Laser Printers
4

Troubleshooting

Symptoms and solutions

Front Panel Messages

Symptom Possible Causes Solution
Power indicator is blinking The printer is receiving, processing or
printing a job. Wait for the job to be completed or cancel
the job.
You have entered the menu in the front
panel. Exit the menu.
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
detected a user-correctable error such
as an open door or a media jam.
Correct the condition reported by the front panel
(for example, close the door or clear the media
jam).
Error occurred that may be
user-correctable. Press the Info/More button to access
information on the error condition.
Error occurred that is not
user-correctable. Read the front panel message. If the message
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
and returns to Ready without
anyone pressing the button.
Front-panel timeout: If no activity
occurs in 5 minutes, the front panel
returns to Ready.
Press Menu to re-enter the menu.
Front panel reports:
Jam at <Location> Media jam. ■To find the jam: See the front panel
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
media tray. Reduce the amount of media to below the
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:
MPT: <media> The printer detects media in the
Multi-Purpose Tray and is waiting for
information on the type of media.
■Scroll through the selections to choose the
media type you have loaded in the
Multi-Purpose Tray.
Front panel reports:
<color>:low The indicated color Toner Cartridge is
almost empty. ■Change the Toner Cartridge soon.
Front panel reports:
Stopped:
replace <color>
Indicated color Toner Cartridge is
empty. Replace the indicated color Toner Cartridge
now; the printer stops until you replace the
cartridge.