Epson Stylus Pro WT7900 User Manual

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Maintaining and Transporting the Printer|101
Preparing the Printer for Shipment
1. Press the Ppower button to turn off the printer.
Wait until the lights on the control panel stop flashing and go out, and 
then unplug the printer. 
2. Remove the following parts:
Power cord and interface cables
Film and paper baskets
All paper or other media
Optional SpectroProofer (if installed)
3. Leave the ink cartridges installed. 
4. Open the front cover and reinstall the packing material that you 
removed from...

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102|Maintaining and Transporting the Printer
6. Remove the two wing nuts and lock washers securing the printer to the 
stand (underneath the printer). Keep them in a safe place.
7. Lift the printer using the handgrips, two in front and two in back.
8. Keep the printer level while moving it. See page 103 for information 
about setting up the printer after transporting it.
To ship the printer a longer distance, you should repack it using the original 
box and packing materials. If you don’t have the...

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Maintaining and Transporting the Printer|103
6. Unlock the front casters.
7. Carefully roll the printer to its new location, then lock the casters. 
Setting Up the Printer After Transportation
Setting up the printer after transporting it is almost identical to setting it up 
for the first time. 
Keep in mind that if you haven’t used the printer for more than a week, 
you’ll need to turn it on and shake the white ink cartridge (see page 79). You 
may need to run a cleaning cycle (page 83) and realign...

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104|Maintaining and Transporting the Printer

Cover the printer with a non-static cloth. This helps protect it from 
dust, which can interfere with the print head nozzles.
Before returning the printer to use, follow these steps:
1. Turn on the printer and shake the white ink cartridge (see page 79).
2. Run a nozzle check and select the 
PRINT WITH WHITE INK option 
(see page 83).
Check the results and clean the print head, if necessary (see page 84).
3. If the printer hasn’t been used for more than a...

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105
As you use your printer, you may occasionally experience a problem. You 
can diagnose the problem following the guidelines in this chapter or check 
the FAQs at www.proimaging.epson.com. Then try the most likely solutions 
until the problem is fixed. 
This chapter provides instructions for the following:
Diagnosing problems
Checking error messages and lights
Improving print quality
Solving operational problems
Solving miscellaneous printing problems
Solving paper problems, including clearing...

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106|Solving Problems
Checking Error Messages and Lights
The control panel includes various lights and an LCD display to indicate the 
status of the printer: 
When your paper runs out, ink is low, or a problem occurs, a message 
appears on the LCD display, and the lights on the control panel come on or 
flash: 
LightStatusMeaning
Power light On The printer is turned on.
Flashing The printer is receiving data or turning off.
Paper light On No paper is loaded or the selected paper size 
is incorrect....

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Solving Problems|107
The following table lists the error messages in alphabetical order and 
includes an explanation and instructions for correcting the problem:
Message 
(in alphabetical order)
ExplanationResponse
CALL FOR SERVICEAn error has occurred.
The number 3000 indicates that 
AC power has been 
interrupted.Note the error number, then turn the printer 
off. Then check the power cord connection 
at both ends and turn it back on. If the 
message remains after restarting the printer 
several...

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108|Solving Problems
INK CARTRIDGE ERROR
PLEASE INSTALL THE 
CORRECT CARTRIDGEYou tried to install an ink 
cartridge that cannot be used 
with this printer.If you are replacing ink cartridges, check the 
package and product code. Replace the ink 
cartridge with a genuine Epson ink cartridge.
INK CARTRIDGE
INK LOW REPLACE INK 
CARTRIDGEThe ink cartridge is expended. Replace the ink cartridge; see page 88.
INK CARTRIDGE
NON-GENUINE CARTRIDGE!
QUALITY OF NON-GENUINE 
INK MAY VARY.A non-genuine ink...

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Solving Problems|109
NO CARTRIDGE
INSTALL INK CARTRIDGEInk cartridge(s) not installed, or 
an incorrect cartridge is 
installed.Install ink cartridge(s); see page 88. Do not 
reinstall the incorrect cartridge.
NO MAINTENANCE TANK
INSTALL THE RIGHT SIDE 
MAINTENANCE TANKMaintenance tank is not 
installed. Make sure the maintenance tank is fully 
inserted.
NOT ENOUGH EMPTY 
SPACE
REPLACE THE RIGHT SIDE 
MAINTENANCE TANKThe maintenance tank is too 
full for head cleaning.Replace the maintenance tank;...

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110|Solving Problems
PAPER OUT
LOAD PAPERNo paper is loaded. Load paper.
The   button has been 
pressed with no paper loaded.Press the   button, then load paper.
Paper ran out during printing. Press the   button and remove the roll 
paper core. Then load another roll.
PAPER RELEASED
LOAD PAPERThe   button has been 
pressed.Load paper, then press the   button.
PAPER SENSOR ERROR
PRESS THE   BUTTON
LOAD THE CORRECT PAPERThe paper is not detected. Press the   button to clear the error, 
then select the...