Epson Stylus Pro 4800
4 - Epson Stylus Pro 4800 8/05
Error Messages
When a problem occurs, a message appears on the display and 
the lights on the control panel come on or flash. 
Message/Light  Light Explanation Response
CHANGE PAPER TYPE  Paper light on Paper loaded does not match the 
source selected. 
Press the   Paper Source button to select the correct 
setting: either   (for paper in the tray, or   or 
 for roll paper).
COMMAND ERROR — You’re using the wrong printer driver.
Damaged data was sent to the printer 
or the data has an incorrect command.
The installed printer driver is not 
correct for the printer.
Press the   Pause button and hold it for 3 seconds to 
cancel the print job. Make sure you installed the 
correct driver for your printer.
Press the   Pause button and hold it for 3 seconds to 
cancel the print job.
Stop printing, and press the   Pause button for 3 
seconds. Then make sure that the installed printer 
driver is correct for the printer.
DRIVER INK SET SETTING IS 
WRONG
MISMATCH ERROR
Note:
These messages alternate.
— The black ink cartridge option does 
not match what is selected in the 
driver
Non-Epson genuine ink cartridge is 
installed.
Stop printing, and then press and hold the   Pause 
button for 3 seconds. Select the correct black ink 
cartridge option in the driver. If you want to continue 
printing, press the   Pause button.
Press the   Pause button for 3 seconds to cancel 
printing. If you want to continue printing, press the   
Pause button.
FEED SHEET PAPER
FEED SHEET PAPER 
MANUALLY
— Cut sheet needs to be loaded 
manually.
Load the sheet in the manual feed slot. .
FORBIDDEN MEDIA FROM P. 
TRAY
— Cut sheet needs to be loaded 
manually.
Load the sheet in the manual feed slot. 
INK LOW B Ink light flashing Ink cartridge(s) are nearly empty 
(printing continues).
Make sure you have replacement cartridges available. 
INK OUT B Ink light on Ink cartridge(s) are empty (printing 
stops).
Replace the ink cartridge(s) indicated on the LCD 
panel.
INVALID INK CRTG B Ink light on  You tried to install the wrong ink 
cartridge.
If you are installing ink cartridges for the first time, you 
must install the cartridges that came with your printer.
If you are replacing ink cartridges, check the package 
and product code. You must use the ink cartridges 
designed for your printer. Other cartridges will not 
work.
LOAD PAPER
 Paper light on Paper lever is in the released position 
while loading paper.
After you finish loading paper, pull the paper lever all 
the way forward, to the secured position.
LOAD ROLL PAPER
LOAD SHEET PAPER IN P. 
TRAY
 Paper light on Paper source setting in printer driver 
is different from control panel.
Make sure the right paper is loaded and the paper 
source setting is the same on the control panel and 
printer driver.
LOWER INK LEVERS
LOWER L (or R) INK LVR
— One or both ink levers are raised.  Pull the lever or levers down to lock the ink cartridges. 
MNT REQ.  — A printer part will need to be replaced 
soon. 
Note the code number and contact Epson.
MNT TK NEAR FULL — The maintenance tank is almost full. Make sure you have a replacement maintenance tank. 
MNT TNK FULL B Ink light on The maintenance tank is full. Replace the maintenance tank.