Manual
50 Phaser 750 Color Printer
Troubleshooting Phaser 750 Printers
Consumables messages
Symptom Possible Causes Solution
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.
<color>:low The indicated color Toner
Cartridge is almost empty.
■ Change the Toner Cartridge soon.
Stopped:
replace <color>
Indicated color Toner Cartridge
is empty.
Replace the indicated color Toner
Cartridge now; the printer stops until
you replace the cartridge.
<color> missing A Toner Cartridge is missing. Install the indicated color Toner
Cartridge.
Imaging unit:replace The Imaging Unit is wearing
out.
Replace the Imaging Unit soon.
Imaging unit expired The Imaging Unit is worn out. Replace the Imaging Unit now.
Fuser:replace The Fuser is wearing out. Replace the Fuser soon.
Fuser expired The Fuser is worn out. Replace the Fuser now; although it
continues to function, the print quality
is affected.
Fuser Roll:replace The Fuser Roll is worn out. Replace the Fuser Roll now.
Transfer Kit:replace The Transfer Kit is worn out. Replace the Transfer Kit.
Main Charge Grid:
replace
Replace the Main Charge Grid soon.
Media Tray: empty Refill the media tray. If your printer has
a Lower Tray Assembly, the choices
include Upper, Middle, or Lower.
Tek Transparency:
<media type>
<--- ---> OK
Media has been loaded in the
Multi-Purpose Tray; select that media
type in the front panel. Press the arrows
to scroll to the appropriate media type;
press OK.
Other messages
Symptom Possible Causes Solution
Error ## An error occurred that may be
user-correctable.
■ Press the front panel’s Info button for
more information on the problem.
Press the button labeled More for
suggestions on correcting the
problem.
■ Use the information in Error codes
on page 80 to correct the problem. If
the error persists, use the TekSMART
knowledgebase at
www2.tek.com/TekSMART/.
Energy Star Mode
Wake Up Menu
The printer is in
energy/conservation mode.
Press the Wake Up button on the front
panel or send a print job to bring the
printer to Ready.