Epson Stylus Pro 7900 User Manual

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Maintaining and Transporting the Printer|171
Cleaning the Printer
To keep your printer working at its best, clean it if it becomes soiled.
1. If your prints are soiled by ink on the roller, load inexpensive roll paper 
and press d to feed the paper without printing on it. Press d several 
times until the paper is clean. 
2. Turn off the printer and wait until all the lights are off. Then unplug the 
power cord and disconnect the printer from your system.
3. Open the front cover and use canned air or...

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5. If your prints are soiled on the back, wipe the blue area carefully.
6. If powdery dust has accumulated, use a toothpick or similar tool to 
remove it.
7. Remove the paper basket. Then clean away any dust or dirt around the 
leg assembly using a soft brush.
 

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8. If the outer case is dirty, clean it with a soft, clean cloth dampened with 
mild detergent. Keep the ink cartridge compartments closed to prevent 
water from getting inside.
9. To wash the paper basket, remove the shafts, then machine wash with 
mild detergent and air dry.
Transporting or Storing the Printer
If you are moving the printer a short distance (for example, in the same 
building), you can roll it on its stand (see page 175). To ship the...

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4. Open the front cover and reinstall the packing material that you 
removed from the print head during setup. Then close the cover.
5. Before you remove the printer from the stand, make sure the casters are 
locked.
6. Remove the two wing nuts and lock washers securing the printer to the 
stand (underneath the printer). Keep them in a safe place.
Tip: For more secure 
transportation, tape all 
doors and covers shut.
 

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7. Lift the printer using the hand grips where provided. (See the stickers 
located near the rear hand grips for the correct holding position.) 
8. Keep the printer level while moving it. See page 176 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 original packaging, you can 
purchase replacement packaging...

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176|Maintaining and Transporting the Printer
5. Release the front casters.
6. 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 the first time you start printing after moving the printer, 
the print head nozzles may be clogged—especially if the printer hasn’t been 
turned on for a long time. You may need to run a...

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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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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. The following table lists the messages in alphabetical order and 
includes an explanation and instructions for correcting the problem.
LCD 
display
Power 
light and 
button
Pause/reset 
light...

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Solving Problems|179
CANNOT OPEN INK COVERSomething is obstructing the 
indicated ink coverRemove the obstruction and press the  
button again.
CLEANING ERROR
AUTOMATIC HEAD 
CLEANING FAILED
RETRY?
YES
NOHead cleaning did not clear the 
nozzles.Press   to clear the error and run the 
head cleaning utility again. If cleaning 
doesn’t start, cancel printing from the 
computer. Then turn the printer off and back 
on again.
CLEANING ERROR
NOT ENOUGH INK OR 
SPACE IN MAINT TANK.
CONTINUE CLEANING?
YES...

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INK CARTRIDGE ERROR
REPLACE CARTRIDGEInk cartridge(s) may have a bad 
contact or condensation.Remove and reinstall the ink cartridge; if the 
error remains, replace the cartridge. See 
page 159.
INK CARTRIDGE ERROR
PLEASE INSTALL THE 
CORRECT CARTRIDGESYou 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 COVER OPEN...